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2026-06-29T05:30:04Z

Admin: Refresh featured watch (weekly rotation) + recently-updated (from RecentChanges)

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<div style="display:none;">{{DISPLAYTITLE:BezelBase}}</div>
{{#seo:
|title=BezelBase — Watch Reference Encyclopedia
|description=Encyclopedic reference for Rolex watches. Vintage and discontinued Rolex references documented — specs, dial variants, serial ranges, production history.
|keywords=watch reference, Rolex, Rolex Submariner, Rolex Daytona, Rolex Explorer, Rolex GMT-Master, Rolex Day-Date, President, Rolex Bubbleback, Rolex Prince, Brancard, Oyster, Ovettone, vintage Rolex, collector guide, watch history, production history, dial variants
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<div style="margin: 0.5em 0 1.5em 0;">
Rolex changed what a wristwatch could do. The Oyster case (1926) made watches waterproof, the Perpetual rotor (1931) made them self-winding, the Prince (1928) built them to chronometer grade. Watchmakers and collectors have spent the decades since cataloguing what changed across each reference. BezelBase tries to store this information in a single place.

Each article documents one Rolex reference: production years, movement, dial variants, case and bracelet details, auction record, and the things to check when authenticating one. Coverage spans the main Rolex lines so the history reads as one connected archive.

Inside one reference, the watch can change a lot. A 5512 from 1962 is not the 5512 from 1978. A pointed-crown-guard 1675 is not the late matte 1675. Generation matters first. [[BezelBase:About|About →]]
</div>


== From the archive: Daytona 6263 ==

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[[File:Ref 6263 hero.webp|frameless|240px|link=Reference:6263]]
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The [[Reference:6263|6263]] is the screw-pusher manual-wind Cosmograph, the watch the Paul Newman exotic dials, the RCO, and the Big Red branches all attach to. Black acrylic bezel, pump-then-screw pushers, and a Valjoux-based caliber put it at the centre of the vintage Daytona universe.

'''[[Reference:6263|Read the full 6263 article →]]'''
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</div>



== Recently updated ==
* '''26 June 2026''' — [[Reference:6510|6510]] (Day-Date) · [[Reference:16660|16660]] (Sea-Dweller) · [[Reference:1019|1019]] (Milgauss) · [[Reference:2574|2574]] (Oyster) · [[Reference:1343|1343]] (Prince) · [[Reference:6541|6541]] (Milgauss)
* '''23 June 2026''' — [[Reference:118138|118138]] (Day-Date)
* '''22 June 2026''' — [[Reference:1016|1016]] (Explorer) · [[Reference:16710|16710]] (GMT-Master) · [[Reference:6098|6098]] (Oyster Perpetual) · [[Reference:1680|1680]] (Submariner) · [[Reference:116518|116518]] (Daytona) · [[Reference:116500LN|116500LN]] (Daytona) · [[Reference:116610LV|116610LV]] (Submariner) · [[Reference:114060|114060]] (Submariner) · [[Reference:19018|19018]] (Day-Date) · [[Reference:1804|1804]] (Day-Date) · [[Reference:118208|118208]] (Day-Date) · [[Reference:118235|118235]] (Day-Date) · [[Reference:6612B|6612B]] (Day-Date) · [[Reference:18208|18208]] (Day-Date) · [[Reference:18028|18028]] (Day-Date)


== Submariner ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Pre-five-digit 1953–90
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6204|6204]] · [[Reference:6205|6205]] · [[Reference:6200|6200]] · [[Reference:6536|6536]] · [[Reference:6536-1|6536/1]] · [[Reference:6538|6538]] · [[Reference:5508|5508]] · [[Reference:5510|5510]] · [[Reference:5512|5512]] · [[Reference:5513|5513]] · [[Reference:5514|5514]] · [[Reference:5517|5517]] · [[Reference:1680|1680]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Five-digit 1979–2010
| style="padding:3px 4px; vertical-align:top;" | [[Reference:14060|14060]] · [[Reference:14060M|14060M]] · [[Reference:16800|16800]] · [[Reference:16610|16610]] · [[Reference:16610LV|16610LV]] · [[Reference:16803|16803]] · [[Reference:16808|16808]] · [[Reference:16613|16613]] · [[Reference:16618|16618]]
|}

'''[[Reference:submariner|→ Full Submariner index]]'''

== Daytona ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Manual-wind chronograph 1962–1988
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6238|6238]] · [[Reference:6239|6239]] · [[Reference:6240|6240]] · [[Reference:6241|6241]] · [[Reference:6262|6262]] · [[Reference:6263|6263]] · [[Reference:6264|6264]] · [[Reference:6265|6265]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Zenith automatic 1988–2000
| style="padding:3px 4px; vertical-align:top;" | [[Reference:16520|16520]] · [[Reference:16518|16518]] · [[Reference:16519|16519]] · [[Reference:16523|16523]] · [[Reference:16528|16528]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | In-house cal 4130 2000–2016
| style="padding:3px 4px; vertical-align:top;" | [[Reference:116520|116520]] · [[Reference:116523|116523]] · [[Reference:116528|116528]]
|}

'''[[Reference:daytona|→ Full Daytona index]]'''

== Explorer ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Vintage 1952–89
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6150|6150]] · [[Reference:6350|6350]] · [[Reference:6610|6610]] · [[Reference:1016|1016]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Modern 1989–2021
| style="padding:3px 4px; vertical-align:top;" | [[Reference:14270|14270]] · [[Reference:114270|114270]] · [[Reference:214270|214270]]
|}

'''[[Reference:explorer|→ Full Explorer index]]'''

== Explorer II ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Vintage Freccione 1971–1984
| style="padding:3px 4px; vertical-align:top;" | [[Reference:1655|1655]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Transitional 1985–1989
| style="padding:3px 4px; vertical-align:top;" | [[Reference:16550|16550]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Modern 40mm 1989–2010
| style="padding:3px 4px; vertical-align:top;" | [[Reference:16570|16570]]
|}

'''[[Reference:explorer-ii|→ Full Explorer II index]]'''

== GMT-Master ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Vintage 1955–99
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6542|6542]] · [[Reference:1675|1675]] · [[Reference:16750|16750]] · [[Reference:16753|16753]] · [[Reference:16758|16758]] · [[Reference:16700|16700]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | GMT-Master II 1983–2007
| style="padding:3px 4px; vertical-align:top;" | [[Reference:16760|16760]] · [[Reference:16710|16710]] · [[Reference:16713|16713]] · [[Reference:16718|16718]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Ceramic 5-digit 2005–19
| style="padding:3px 4px; vertical-align:top;" | [[Reference:116718LN|116718LN]] · [[Reference:116713LN|116713LN]] · [[Reference:116710LN|116710LN]] · [[Reference:116710BLNR|116710BLNR]] · [[Reference:116719BLRO|116719BLRO]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Ceramic 6-digit 2018–present
| style="padding:3px 4px; vertical-align:top;" | [[Reference:126710BLRO|126710BLRO]] · [[Reference:126711CHNR|126711CHNR]] · [[Reference:126715CHNR|126715CHNR]] · [[Reference:126710BLNR|126710BLNR]] · [[Reference:126720VTNR|126720VTNR]] · [[Reference:126713GRNR|126713GRNR]] · [[Reference:126718GRNR|126718GRNR]] · [[Reference:126710GRNR|126710GRNR]]
|}

'''[[Reference:gmt-master|→ Full GMT-Master index]]'''

== Oyster & Bubbleback ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Pre-Oyster & Oyster 1922–37
| style="padding:3px 4px; vertical-align:top;" | [[Reference:3666|3666]] · [[Reference:2136|2136]] · [[Reference:3003|3003]] · [[Reference:3004|3004]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Bubbleback era 1933–45
| style="padding:3px 4px; vertical-align:top;" | [[Reference:1858|1858]] · [[Reference:3131|3131]] · [[Reference:3372|3372]] · [[Reference:3525|3525]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Datejust / Padellone / Super Oyster 1945–53
| style="padding:3px 4px; vertical-align:top;" | [[Reference:4467|4467]] · [[Reference:5030|5030]] · [[Reference:5031|5031]] · [[Reference:6031|6031]] · [[Reference:6075|6075]] · [[Reference:6105|6105]] · [[Reference:8171|8171]] · [[Reference:6098|6098]]
|}

'''[[Reference:bubbleback|→ Full Bubbleback index]]'''

== Day-Date ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Originals 1956–59
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6510|6510]] · [[Reference:6511|6511]] · [[Reference:6611|6611]] · [[Reference:6612|6612]] · [[Reference:6612B|6612B]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | 4-digit President 1959–78
| style="padding:3px 4px; vertical-align:top;" | [[Reference:1803|1803]] · [[Reference:1804|1804]] · [[Reference:1806|1806]] · [[Reference:1807|1807]] · [[Reference:1811|1811]] · [[Reference:1831|1831]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | 5-digit 1977–2000
| style="padding:3px 4px; vertical-align:top;" | [[Reference:18038|18038]] · [[Reference:18028|18028]] · [[Reference:18048|18048]] · [[Reference:18078|18078]] · [[Reference:18238|18238]] · [[Reference:18248|18248]] · [[Reference:18348|18348]] · [[Reference:18208|18208]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | 6-digit Day-Date 36 2000–19
| style="padding:3px 4px; vertical-align:top;" | [[Reference:118238|118238]] · [[Reference:118208|118208]] · [[Reference:118235|118235]] · [[Reference:118138|118138]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Day-Date II 41mm 2008–15
| style="padding:3px 4px; vertical-align:top;" | [[Reference:218238|218238]] · [[Reference:218206|218206]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Oysterquartz 1977–2001
| style="padding:3px 4px; vertical-align:top;" | [[Reference:19018|19018]]
|}

'''[[Reference:day-date|→ Full Day-Date index]]'''

== Air-King ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Battle of Britain origin 1945–53
| style="padding:3px 4px; vertical-align:top;" | [[Reference:4925|4925]] · [[Reference:4365|4365]] · [[Reference:4499|4499]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | First automatic 1953–57
| style="padding:3px 4px; vertical-align:top;" | [[Reference:6552|6552]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Long-run mainstay 1957–89
| style="padding:3px 4px; vertical-align:top;" | [[Reference:5500|5500]] · [[Reference:5501|5501]] · [[Reference:5502|5502]] · [[Reference:5504|5504]] · [[Reference:5506|5506]] · [[Reference:5520|5520]] · [[Reference:5700|5700]] · [[Reference:5701|5701]]
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Sapphire era 1989–2014
| style="padding:3px 4px; vertical-align:top;" | [[Reference:14000|14000]] · [[Reference:14000M|14000M]] · [[Reference:114200|114200]]
|}

'''[[Reference:air-king|→ Full Air-King index]]'''

== Prince ==

{| style="width:100%; border-collapse:collapse; margin-top:0.5em; table-layout:fixed; line-height:1.35;"
|-
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px; width:150px;" | Era
! style="text-align:left; border-bottom:1px solid #ccc; padding:2px 3px;" | References
|-
| style="padding:3px 4px; vertical-align:top; font-weight:bold;" | Brancard era 1928–mid-1940s
| style="padding:3px 4px; vertical-align:top;" | [[Reference:1343|1343]] · [[Reference:971|971]] · [[Reference:1490|1490]] · [[Reference:1491|1491]] · [[Reference:1527|1527]] · [[Reference:1862|1862]] · [[Reference:3361|3361]] · [[Reference:3937|3937]]
|}

'''[[Reference:prince|→ Full Prince index]]'''

== Reference guides ==

Three pages cover material that applies across every Rolex line documented here. '''[[Reference:Bracelets|Bracelets]]''' catalogs bracelet refs, end links, clasps, and link types alongside the clasp date-code key. '''[[Reference:Movements|Movements]]''' lists every caliber spanning the manual-wind chronograph, Zenith-driven, and in-house generations. '''[[Reference:Serial-numbers|Serial numbers]]''' decodes the three Rolex serial systems — numeric pre-1987, letter 1987–2010, and random alphanumeric 2010+.

</div>

[[Category:BezelBase]]

Reference:6536/1

2026-06-29T01:26:33Z

Admin: SEO: clickable title (imageless page)

{{#seo:
|title=Rolex Submariner 6536/1 — Production, Dials & Serial Ranges | BezelBase
|type=Article
|robots=index,follow,max-image-preview:large
}}

#REDIRECT [[Reference:6536]]

Reference:3004

2026-06-29T01:26:32Z

Admin: SEO: clickable title (imageless page)

{{#seo:
|title=Rolex 3004 Oyster Precision — Production, Dials & Serial Ranges | BezelBase
|type=Article
|robots=index,follow,max-image-preview:large
}}

#REDIRECT [[Reference:3003]]

[[Category:Reference]]
[[Category:Precision]]

Reference:5506

2026-06-29T01:26:32Z

Admin: SEO: clickable title (imageless page)

{{#seo:
|title=Rolex Air-King 5506 — Production, Dials & Serial Ranges | BezelBase
|type=Article
|robots=index,follow,max-image-preview:large
}}

#REDIRECT [[Reference:5502]]

Reference:16613LN

2026-06-29T01:26:32Z

Admin: SEO: clickable title (imageless page)

{{#seo:
|title=Rolex Datejust 16613LN (1989–2009) — Production & Dial Guide | BezelBase
|type=Article
|robots=index,follow,max-image-preview:large
}}

#REDIRECT [[Reference:16613]]

Reference:16613LB

2026-06-29T01:26:31Z

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{{#seo:
|title=Rolex Datejust 16613LB (1989–2009) — Production & Dial Guide | BezelBase
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#REDIRECT [[Reference:16613]]

Reference:Movements

2026-06-29T01:26:31Z

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{{DISPLAYTITLE:Rolex Caliber & Movement Reference}}
{{#seo:
|title=Rolex Movements & Calibers — Cross-Family Reference | BezelBase
|description=Cross-family caliber catalogue for vintage and discontinued Rolex. Every movement that powered a pre-2020 Daytona, Submariner, GMT-Master, Explorer, or Oyster Perpetual reference, with spec, lineage, and reference fitments.
|keywords=Rolex caliber, Rolex movement, cal 4030, cal 4130, cal 727, Valjoux 72, Zenith El Primero, cal 1570, cal 1575, cal 3035, cal 3135, cal 3185, cal 3186, Oysterquartz 5035, Rolex chronograph caliber, vintage Rolex movement
|type=Article
}}

[[Main Page]] -> '''Movements'''

== Quick jump ==

{| style="width:100%; border-collapse:separate; border-spacing:0; padding:8px 12px; margin:0.5em 0 1.5em 0; background:#f8f8f6; border-left:3px solid #555;"
|-
| style="padding:4px 0; vertical-align:top;" | ''Pre-Oyster era:'' [[#cal-a260|A260]] · [[#cal-a296|A296]] · [[#cal-1030|1030]] · [[#cal-1036|1036]]
|-
| style="padding:4px 0; vertical-align:top;" | ''1500 family:'' [[#cal-1520|1520]] · [[#cal-1530|1530]] · [[#cal-1560|1560]] · [[#cal-1570|1570]] · [[#cal-1575|1575]]
|-
| style="padding:4px 0; vertical-align:top;" | ''Modern Sub / GMT:'' [[#cal-3035|3035]] · [[#cal-3135|3135]] · [[#cal-3185|3185]] · [[#cal-3186|3186]]
|-
| style="padding:4px 0; vertical-align:top;" | ''Daytona chronograph:'' [[#cal-72|72]] · [[#cal-72b|72B]] · [[#cal-722|722]] · [[#cal-727|727]] · [[#cal-4030|4030]] · [[#cal-4130|4130]]
|-
| style="padding:4px 0; vertical-align:top;" | ''Prince shaped:'' [[#cal-300|300]] · [[#cal-350|350]] · [[#cal-300-ts|7¾ T.S. 300]]
|}

== Rolex movements ==
The table below catalogues every Rolex caliber that powered an in-scope reference on this wiki, with spec, production span, and reference fitments. Lineage sections at the bottom of the page group calibers by family arc (Prince Aegler shaped, manual-wind chronograph, automatic chronograph, sport time-only, Oysterquartz).

The caliber number is engraved on the movement itself and read with the caseback off; it is separate from the case serial, which is the number that dates the watch on the [[Reference:Serial-numbers|serial-number page]]. Where a movement number and case number diverge sharply, as on the stockpiled Prince calibers, the movement was made well before the case it sits in.

== Caliber index ==

{| class="wikitable sortable" style="width:100%;"
|-
! Caliber !! Type !! Years !! Specs !! Features !! Families !! Notes
|-
| '''300''' || shaped manual-wind || 1928–1937 || 15 (Prima) / 18 (Extra Prima / Ultra Prima)j · 18,000 vph · ~50h || chronometer (extra prima / ultra prima only) || Prince || 7½ × 14½ lignes; rectangular plates; Cal. 877 (Gruen Techni-Quadron) is the architectural sibling, sold under the Gruen brand in the US market — not a Rolex caliber; cal. 300 winding-stem bridge is a known service fail point. Cal. 414, 527, 579 T, 701, 841 T, 1004, and 1759 are commercial designations documented on 1862 Prince cases that share the Cal. 300 architecture under different finishing/grading; each has its own row in the index above (see [[#cal-414|414]], [[#cal-527|527]], [[#cal-579|579 T]], [[#cal-701|701]], [[#cal-841|841 T]], [[#cal-1004|1004]], [[#cal-1759|1759]])
|-
| '''350''' || shaped manual-wind || c.1928–1935 || 15 (some examples 18)j · 18,000 vph · ~50h || chronometer (extra prima) || Prince || Documented on Phillips lots CH080319/17 (Beyer 1490) and NY080223/92 (18K 1490 c.1933); appears alongside Cal. 300 in 1490 and 971 cases without obvious dating segregation
|-
| '''7½′′′ T.S. 300''' || shaped manual-wind || 1932–1938 || 18j · 18,000 vph · ~50h || chronometer (ultra prima, 6-position) || Prince || Très Soigné — the Ultra Prima movement variant; lateral lever escapement; monometallic balance with micrometer regulator; Breguet overcoil hairspring; rhodium-plated; documented on Antiquorum May 2006 Mondani lot 46 (1490 case 17,365, dated 1935) and on the [[Reference:1527|1527 Railway]] (Antiquorum Vicenza 1992 lot 146 white+pink, Geneva 2005 lot 100 white+yellow, Mondani 2006 lot 108/33 white+yellow with bamboo bracelet 1931, hammer CHF 27,140 corpus high). On 1527 examples the grade ratio reverses the 1490 pattern — Extra Prima dominates, Ultra Prima 8-position 'Officially Tested in Eight Ways' is the apex outlier
|-
| '''310''' || shaped manual-wind || Aegler shaped (Cal. 300 family — distinct caliber number) 1932–1938 (then stockpiled and cased into 1950s Princes) || 18j · 18,000 vph · ~50h || chronometer || Prince || 7½′′′ rectangular, lateral lever escapement, Superbalance adjusted to 6 positions, Breguet hairspring, swan-neck micro-regulator. Documented exclusively on the [[Reference:3361|3361 Aerodynamic]] / 3362 / [[Reference:3937|3937]] wedge-shaped Prince family — every documented 3361 catalog entry names Cal. 310 specifically (Antiquorum Mondani 2006 lot 209/210, NY 2015 sale 296 lot 73 mvt T94122, PatekMonger Cuervo y Sobrinos). Available in BOTH sub-seconds and **centre-seconds** variants; the 3361/3362/3937 receive the centre-seconds variant. Cal. 310 production ended 1938 but Aegler stockpiled movements that Rolex cased into 3361 production through 1952 — the case-and-movement number divergence reflects this stockpile pattern (e.g. Mondani 1952 case 899,677 carries a movement number significantly lower than the case). Auction-house catalogs commonly under-specify Cal. 310 as 'Cal. 300 family' — treat that label as under-specified, not as a sub-caliber distinction
|-
| '''360 HW''' || shaped manual-wind || 1936–late 1930s || 15–18j · 18,000 vph · ~50h || chronometer (extra prima) || Prince || Successor caliber for late-period 971 / 1490 / 1862 / 3361; visually identifiable by tonneau-shaped movement plates rather than the rectangular plates of Cal. 300/350 — the plate-shape distinction is the cleanest authentication tell for late-era Prince movement attribution (NAWCC Doug Sinclair / gmorse / Cary Hurt 2013)
|-
| '''414''' || shaped manual-wind || c.early-1930s || 15–17j · 18,000 vph · ~50h || chronometer || Prince || Documented on 1862 cases. Same Cal. 300 architecture under a different commercial number.
|-
| '''527''' || shaped manual-wind || c.1934 || 15–17j · 18,000 vph · ~50h || chronometer || Prince || Documented on Christie's online Watches Online Time Autumn lot 31 (Prince 1862, 9K Glasgow 1934) — the canonical Cal. 527 example with "Modèle déposé" enamel-marked dial.
|-
| '''579 T''' || shaped manual-wind || c.1935 || 15–17j · 18,000 vph · ~50h || chronometer || Prince || Documented on Collectors Square 1862 lot. T suffix likely denotes a specific finishing or adjustment grade within the Cal. 300 family.
|-
| '''701''' || shaped manual-wind || c.mid-1930s || 15–17j · 18,000 vph · ~50h || chronometer || Prince || Documented on 1862 cases.
|-
| '''841 T''' || shaped manual-wind || c.1930 || 17j · 18,000 vph · ~50h || chronometer || Prince || Documented on Bonhams 2022 1862 case. T suffix denotes a specific Aegler grading tier.
|-
| '''1004''' || shaped manual-wind || c.1936 || 17j · 18,000 vph · ~50h || chronometer (8-position adjustment) || Prince || Documented on Christie's London 2015 9K Glasgow 1936 Prince 1862, "officially tested in 8 positions" — eight-position adjustment is unusual (Swiss and Kew chronometer protocols typically tested 5–6 positions); may indicate Aegler-internal regulation tier rather than Bureaux-Officiels-Suisse-de-Contrôle certification
|-
| '''1759''' || shaped manual-wind || c.1937 || 18j · 18,000 vph · ~50h || chronometer (ultra prima chronometer, 6-position) || Prince || Ultra Prima Chronometer execution; 18-jewel, 6-position. Documented on watch-auctions.co.uk Prince 1862 Glasgow 1937 9K example. Same architectural specification as Cal. 300 Ultra Prima — caliber-number drift across auction houses (Cal. 300 Ultra Prima vs Cal. 1759 Ultra Prima Chronometer for similar architectural specs) is documented but not fully resolved
|-
| '''971A''' || shaped manual-wind || c.1938–1952 || 18j · 18,000 vph · ~50h || chronometer || Prince || Aegler shaped late commercial designation in the [[#cal-300|Cal. 300]] family. Documented on the [[Reference:3937|3937 Rams Horn]] (Fabsuisse 14K rose gold 1946-47 example). Lateral lever escapement, Superbalance, Breguet hairspring, 6–7 position adjustment. The "971A" letter suffix follows the Aegler convention of using letters for finishing tiers — distinct from the Cal. 300 family-level designation that some auction catalogs use to under-specify late-period Prince movements. JPTimepieces dealer copy occasionally attributes Cal. 1530 to the 3937 — misattribution (Cal. 1530 is a 1965-era Oyster Perpetual caliber that did not exist when the 3937 was produced)
|-
| '''72''' || chronograph || 1960–65 || 17j · 18,000 vph · 48h || — || Daytona || Bare Valjoux 72 in 6234 / early 6238
|-
| '''72A''' || chronograph || early-to-mid 1960s || 17j · 18,000 vph · 48h || — || Daytona || Rolex-finished intermediate; thin documentation
|-
| '''72B''' || chronograph || 1962–65 || 17j · 18,000 vph · 48h || — || Daytona || Final pre-722 Valjoux 72 in early 6238
|-
| '''722''' || chronograph || 1963–69 || 17j · 18,000 vph · 48h || — || Daytona || First Rolex-stamped Valjoux 72; 6239 / 6241
|-
| '''722-1''' || chronograph || 1969–70 || 17j · 18,000 vph · 48h || — || Daytona || Transitional 722 revision into the 727 era
|-
| '''727''' || chronograph || 1970–88 || 17j · 21,600 vph · 48h || — || Daytona || Higher-beat Valjoux 72; 6262 / 6263 / 6264 / 6265
|-
| '''4030''' || chronograph || 1988–2000 || 31j · 28,800 vph · 54h || chronometer || Daytona || Modified El Primero in the Zenith Daytona; modification list disputed
|-
| '''4130''' || chronograph || 2000–present || 44j · 28,800 vph · 72h || chronometer || Daytona || First in-house Rolex chronograph; vertical clutch
|-
| '''10½ Hunter''' || manual || 1945–53 || 15j (early) → 17j (later) · 18,000 vph || — || Air-King, Oyster Perpetual || Aegler-supplied 10½-ligne hand-wound family (700 / 710 / 720 base architecture). Powers the originating Air-King 4925 and the sister Air-Lion / Air-Tiger / Air-Giant references (4365 sub-seconds / 4444 mid-size / 4647 Hunter Precision). Non-chronometer, central seconds. The bridge between the pre-war Bubbleback shaped calibers and the post-war 1030 automatic.
|-
| '''A260''' || automatic || 1953–55 || 19j · 18,000 vph · 36h || — || Submariner, Oyster Perpetual || First-generation Sub 6204 / 6205. 26.4mm; it as "non-butterfly" rotor (distinct from the butterfly-rotor 1030). Hodinkee reads A260 as "repurposed from earlier Oyster Perpetual models including later bubblebacks."
|-
| '''A296''' || automatic || 1952–55 || 18j · 18,000 vph · 36h || — || Submariner, Explorer, Oyster Perpetual || Big Crown 6200; Explorer 6098 / 6150 ("Precision") / 6350 (chronometer). 29.5mm. Full-rotor uni-directional Perpetual; the bumper attribution that briefly attached to A296 in earlier articles was dealer-copy contamination from bubble-back geometry confusion (Rolex never produced a bumper caliber). The 1030 that succeeds A296 introduces bidirectional winding via the butterfly rotor and a thinner autowind module — the thickness change is what eliminates the bubble-back caseback profile (Phillips Geneva Watch Auction FOUR lot 146 frames the A296→1030 swap explicitly as a thickness change; Wind Vintage / Eric Ku, ''How Rolex Became Rolex: The Automatic Perpetual Movement Part 2'').
|-
| '''1030''' || automatic || 1950–62 || 25j · 18,800 vph · 42h || chronometer || Submariner, Explorer, Air-King, Oyster Perpetual || Rolex's first bidirectional automatic; butterfly rotor stamped ROLEX PERPETUAL PATENTED. 28.5 × 5.85mm. First appears on 6098 in 1952; runs across 6536 / 6536-1 / 6538 Submariners and 6610 Explorer. COSC and non-COSC versions on the same caliber. First Air-King appearance on 6552 (1953–57)
|-
| '''1036''' || automatic || 1954–59 || 25j · 18,000 vph · 42h || chronometer || GMT-Master || First GMT caliber; bakelite-bezel 6542
|-
| '''1065''' || automatic || 1956–59 || 25j · 18,000 vph · 42h || chronometer || GMT-Master || Late-6542 GMT caliber
|-
| '''1530''' || automatic || 1957–65 || 25j (early) → 26j (late) · 18,000 vph · 42h || chronometer (post-1958 only) || Submariner, Air-King, Oyster Perpetual || First Submariner appearance on 5510 (1958–59); not chronometer-rated at 5510 launch — chronometer arrived with caliber 1560 on 5512. Jewel-count progression 17 → 25 → 26 across the 5508 run per Bob's. Foundation of the 15xx family; early 5512 / 5513 Powers the 36mm Explorer-case 5504 Air-King 1957/58-1963/64 in parallel with the early 5500 production.
|-
| '''1520''' || automatic || 1963–90 || 17 / 25 / 26j · 19,800 vph · 42h || — || Submariner, Air-King, Oyster Perpetual || Non-chronometer twin; powers late 5513 / 5514 / 5517 Submariners and the long-running 5500 Air-King (1963 onward) / 1002 OP / 5501 / 5520. 17-jewel variant is a US/Canada import-duty-bracket move, not a movement difference
|-
| '''1525''' || automatic || 1959–c.1975 || 17 / 25j · 19,800 vph · 42h || — || Air-King || Date-module variant of Cal 1520 powering early 5700 / 5701 Air-King-Date. Non-chronometer (Precision tier); the chronometer-rated date sibling in this generation is the 1500-series Oyster Perpetual Date (1500 / 1501 / 1503 / 1505)
|-
| '''1535''' || automatic || c.1975–1988 || 26j · 19,800 vph · 42h || — || Air-King || Later running update to Cal 1525, same architecture with date module. Powers later 5700 / 5701 Air-King-Date production. Non-chronometer; the chronometer-rated 1500-series uses a related 1500-family date caliber
|-
| '''1560''' || automatic || 1959–65 || 26j · 18,000 vph · 42h || chronometer || Submariner, GMT-Master, Explorer || Cross-family chronometer; mid 5512 / 1675 / 1016
|-
| '''1565''' || automatic || 1959–65 || 25j · 18,000 vph · 42h || chronometer || GMT-Master || Early 1675; "caller" GMT
|-
| '''1570''' || automatic || 1965–80 || 26j · 19,800 vph · 44h || chronometer || Submariner, Explorer || Higher-beat 1560; hack added mid-life
|-
| '''1575''' || automatic || 1965–80 || 25j · 19,800 vph · 50h || chronometer || Submariner, GMT-Master, Explorer || 1680 / late 1675 / Explorer II 1655
|-
| '''3000''' || automatic || 1989–99 || 27j · 28,800 vph · 48h || hack · chronometer || Submariner, Explorer, Air-King, Oyster Perpetual || First 28,800 vph time-only; 14060 / 14270 / 14000 (first sapphire-crystal Air-King)
|-
| '''3035''' || automatic || 1977–88 || 27j · 28,800 vph · 48h || hack · quickset · chronometer || Submariner || First quickset Sub; 16800 / 168000 / 16808 / 16803
|-
| '''3075''' || automatic || 1979–88 || 27j · 28,800 vph · 48h || hack · quickset · chronometer || GMT-Master || 16750 / 16753 / 16758
|-
| '''3085''' || automatic || 1983–89 || 27j · 28,800 vph · 48h || hack · chronometer || GMT-Master, Explorer || First Rolex caliber to dissociate local hour from 24-hour hand; local hour sets in one-hour clicks, 24-hour hand follows the bezel for the third zone. Trade-off: no quick-set date (advances via local hour hand). 28.5 × 6.3mm — the 6.3mm thickness drove the 16760 "Fat Lady" / "Sophia Loren" case proportions. Used exclusively in 16760 GMT-Master II and 16550 Explorer II
|-
| '''3130''' || automatic || 1999–2018 || 31j · 28,800 vph · 48h || hack · chronometer || Submariner, Explorer, Air-King, Oyster Perpetual || Time-only successor to 3000; 14060M / 114060 / 114270 / 14000M / 114200
|-
| '''3132''' || automatic || 2010–~2020 || 31j · 28,800 vph · 48h || hack · chronometer || Explorer, Oyster Perpetual || 3130 with Parachrom + Paraflex; 214270
|-
| '''3135''' || automatic || 1988–2018 || 31j · 28,800 vph · 48h || hack · quickset · chronometer || Submariner || 30-year workhorse; 16610 / 16613 / 16618 / 116610-series
|-
| '''3175''' || automatic || 1988–99 || 31j · 28,800 vph · 48h || hack · quickset · chronometer || GMT-Master || 16700 — last "caller" GMT and last fixed-GMT caliber. One-reference-only; 24-hour hand stays linked to local hour, second zone read off bezel. Adjusted to 5 positions and temperature, Glucydur balance with Microstella, Breguet hairspring, Kif shock
|-
| '''3185''' || automatic || 1989–~2007 || 31j · 28,800 vph · 48h || hack · quickset · chronometer || GMT-Master, Explorer || 16710 / 16713 / 16718 / 16570
|-
| '''3186''' || automatic || 2007–19 || 31j · 28,800 vph · 50h || hack · quickset · chronometer || GMT-Master, Explorer || Parachrom hairspring; 116710LN / BLNR / 116719BLRO / late 16710
|-
| '''1055''' || automatic || 1956–1959 || 25j · 18,000 vph · 42h || chronometer (gen-2 1055B) || Day-Date || First Rolex day-and-date caliber. Gen-1 (6510 / 6511) pre-COSC; gen-2 "1055B" (6611 / 6612 / 6613) added free-sprung Microstella + Breguet overcoil + COSC. No quickset, no hacking.
|-
| '''1555''' || automatic || 1959–c.1965 || 25j · 18,000 vph · 42h || chronometer · non-quickset · non-hack || Day-Date || Cal 1055-derived. Free-sprung Microstella, Breguet overcoil. Early 4-digit Day-Date: 1803 / 1804 / 1806 / 1807 / 1811.
|-
| '''1556''' || automatic || c.1965–1977/78 || 26j · 19,800 vph · 42h || hack (from 1972) · non-quickset · chronometer || Day-Date || Higher frequency than 1555; hacking added 1972 mid-production (pre-1972 examples do not hack). Mid-and-late 4-digit Day-Date: 1803 / 1804 / 1806 / 1807 / 1811.
|-
| '''3055''' || automatic || 1977–1988 || 27j · 28,800 vph · 48h || hack · single quickset (date) · chronometer || Day-Date || First Day-Date with quickset (date only; day still advanced by running the hands). Sapphire-crystal era. 18038 / 18048 / 18078 / early 18238.
|-
| '''3155''' || automatic || 1988–2019 || 31j · 28,800 vph · 48h || hack · double quickset (day + date) · chronometer || Day-Date || Double quickset from 1988; long-serving modern Day-Date movement. Late 18238 / 18248 and the 6-digit 118238 family.
|-
| '''3156''' || automatic || 2008–2015 || 31j · 28,800 vph · 48h || hack · double quickset · chronometer || Day-Date || Day-Date II 41mm derivative of the 3155 with Parachrom hairspring + Paraflex shock. 218238 / 218239 / 218206 / 218235.
|-
| '''5035''' || quartz || 1977–2001 || 11j · 32 kHz vph || hack · quickset · chronometer || Oyster Perpetual || Oysterquartz 17000 / 17013 / 17014
|-
| '''5055''' || quartz || 1977–2001 || 11j · 32 kHz vph || hack · quickset · chronometer || Day-Date || Oysterquartz Day-Date 19018 (yellow gold) / 19019 (white gold); 19028 pyramid bezel
|}

== Manual-wind chronograph lineage ==

The manual-wind Daytona stayed on Valjoux 72 architecture for its full first chapter. Cal 72 belongs to the 6234 and earliest 6238. Cal 722 is the first Rolex-stamped version and powers the original 6239 alongside the 6240 and 6241 generation. Cal 722-1 bridges into the higher-beat cal 727, which lifts the rate from 18,000 to 21,600 vph and then runs through the 6262, 6264, 6263, and 6265 until the manual-wind era closes in 1988.

== Automatic chronograph lineage ==

Cal 4030 is the most disputed Daytona movement spec, but the working outline is clear. Rolex took the Zenith El Primero base, reworked it heavily, and launched it in 1988 with the 16520 for a twelve-year run. Serious sources agree on 28,800 vph, a free-sprung Breguet balance, no date, and major Rolex revision. They diverge on the length of the modification list and on power reserve, usually quoted as 52 or 54 hours. It was the last foreign-sourced caliber in Rolex's modern line.

Cal 4130 launched in 2000 with the 116520 as Rolex's first fully in-house chronograph movement. The architecture is column wheel with a vertical clutch, the reserve runs 72 hours, and the part count drops below the cal 4030 it replaced. It powered the whole pre-ceramic in-house Daytona generation and carried forward into the 116500LN.

== Sport time-only lineage (Submariner, GMT-Master, Explorer) ==

The sport time-only line opens with the A-series uni-directional Perpetuals — full-rotor automatics, not bumpers (Rolex never produced a bumper caliber). Cal A260 powers the first 6204 and 6205. Cal A296 carries the 6200 and the earliest Explorers, with the 6150 / 6350 split showing the same movement in non-COSC and COSC form. Cal 1030 takes over from 1955 with the bidirectional butterfly rotor and a thinner autowind module, and underpins the mid-1950s Submariner and Explorer generation.

The 15xx family is Rolex's long middle chapter. Cal 1530 anchors early 5508, 5510, 5512, and 5513 production. Cal 1520 is the non-chronometer twin used in late 5513, 5514, and 5517. Cal 1560 and 1570 carry the chronometer side of the Submariner, GMT-Master, and Explorer lines. Cal 1575 adds the date or GMT module, which is how it lands in the 1680, late 1675, and the 1655 Explorer II.

The GMT branch reads in three steps. Cal 1036 and 1065 belong to the bakelite 6542 era and keep the 24-hour hand linked to the main hour hand. Cal 1565, 1575, and 3075 carry that synchronized layout through the 1675 and 16750 generation. Cal 3085 breaks the pattern with the first independently jumping local hour hand, used in the 16760 and 16550. Cal 3185 then defines the long 16710 run, and cal 3186 adds the Parachrom hairspring for late 16710 production and the ceramic-era GMT line. The 16700 keeps the old synchronized caller layout alive on cal 3175 until 1999.

The modern time-only line settles on the 31xx family. Cal 3000 is the first 28,800 vph no-date movement of the era, used in the 14060 and 14270. Cal 3130 succeeds it in the 14060M, 114060, 114270, and later Oyster Perpetual watches. Cal 3132 adds the Parachrom hairspring and Paraflex shock system for the 214270. Cal 3135 is the date counterpart and the dominant modern Rolex workhorse across the Submariner Date and the rest of the steel sports line.

== Oyster Perpetual lineage ==

The Oyster Perpetual line shares most of its movements with the sport watches. Bubbleback and early Oyster references use the 520, 620, 630, and A-series automatics, documented on the Bubbleback family page. Mid-century OP shares the A296 and 1030 with the early Submariner and Explorer. Later no-date OP references move through 1530, 1560, and 1570, then into cal. 3000, 3130, and 3132, in the same sequence seen on the no-date Submariner and Explorer.

The Oysterquartz sits outside the mechanical line. Cal 5035 and 5055 launched in 1977 as Rolex's in-house quartz calibers and ran through 2001. Total output stayed small, under about 25,000 watches across the 24-year run. Cal 5035 powers the Oysterquartz Datejust and Oyster Perpetual references; cal 5055 powers the Day-Date Oysterquartz.

== Day-Date lineage ==

The Day-Date runs on its own caliber family, separate from the sport and Oyster Perpetual movements. Cal 1055 (1956–1959) is Rolex's first day-and-date movement, carried by the originals-era 6510 / 6511 / 6611 / 6612 / 6613. The 4-digit era splits the run in two: cal 1555 (1959 to c. 1965) at 18,000 vph, then cal 1556 (c. 1965 to 1977-78) at 19,800 vph with hacking added across the family in 1972. Neither has quickset, so the 4-digit Day-Dates (1803, 1804, 1806, 1807, 1811) set the day and date only by running the hands through midnight.

Quickset arrives with the 5-digit era. Cal 3055 (1977–1988) adds a date quickset to the 18038 and its siblings; the day still advances by running the hands. Cal 3155 (1988 onward) adds the day quickset as well, the double-quickset the 18238 introduced and the 6-digit 118238 family carried forward unchanged. The 41mm Day-Date II runs cal 3156 (2008–2015), a 3155 derivative with a Parachrom hairspring and Paraflex shock. The quartz outlier, cal 5055, powers the Oysterquartz Day-Date 19018 and 19019.

== Prince lineage ==

The Prince family runs on Aegler shaped movements that predate every other Rolex movement on this page. The 1927 Wilsdorf-Aegler patent for a "shaped watch movement with a seconds dial" placed the winding barrel at one end of the rectangular movement and the balance at the other — the architectural choice that allowed both a larger balance wheel (for improved precision) and a larger mainspring barrel (for longer power reserve) than competing shaped calibers of the period. The Aegler-Rolex relationship was a supplier arrangement: Aegler manufactured in Bienne as an independent firm until Rolex purchased the company from the Borer family in April 2004 (Tim Mosso, Quill & Pad). "Aegler" and "Rebberg" refer to the same manufacturer — Aegler is the company name, Rebberg the Bienne street address.

Two distinct caliber generations span the Prince production window. **Cal. 300** (rectangular plates, 1928–1935) is the original shaped movement: 15 jewels at the Prima base, 18 jewels at Extra Prima and Ultra Prima with 6-position adjustment, 18,000 vph, approximately 50-hour power reserve. **Cal. 7½′′′ T.S. 300** is the Ultra Prima execution of the same architecture (1932–1938) with lateral lever escapement and monometallic balance. **Cal. 360 HW** is the 1936-onward successor with tonneau-shaped plates rather than the rectangular plates of Cal. 300. The plate-shape distinction is the clearest visual authentication: a 971 or 1490 with rectangular movement plates is a 1928–1935 example; a watch in the same case reference with tonneau plates is a 1936-onward example.

Movement grading runs Prima → Extra Prima → Ultra Prima, corresponding to ascending jewel counts (15 → 18), adjustment positions, and chronometer testing rigour. The "Chronometer" or "Observatory" designation on a Prince dial corresponds to Extra Prima or Ultra Prima grade — a Prima movement does not earn the dial mark. The Kew-Teddington observatory testing tradition runs through this period: Rolex submitted Prince movements to the National Physical Laboratory at Kew for independent rate certificates against the Swiss Bureaux Officiels Suisse de Contrôle. The 1914 Class A Kew certificate that Rolex commonly cites as their first official chronometer rating was issued for an earlier ladies' wristwatch movement; the Prince calibers extend the observatory-testing lineage from 1928 forward, but the 1914 milestone predates the Prince family.

The [[Reference:1491|1491 Brancard Jumping Hour]] is the one Prince configuration that adds a complication module on top of the standard movement architecture. The Aegler-built jump-hour module mounts on the rear of a standard 7½′′′ Extra Prima Observatory base (Cal. 350 T.S. in Phillips's labeling), and the module added enough mechanical thickness that the 1491 case had to be deepened to accommodate it. There is no separate caliber number for the jump-hour module — the module is an addition to the standard Prince base, not a distinct movement. The case-depth difference (1491 case vs 1490 case) is the canonical authentication tell for distinguishing genuine 1491 examples from 1490 cases retrofitted with later modules. Three module-specific service patterns surface in the collector record: weak jump impulse spring producing "lazy" disc advance; worn disc retention pawl producing hour-disc jitter; misaligned dial aperture revealing fragments of two numerals at once.

A specific service-tell deserves naming on Cal. 300: the winding-stem bridge is a known fail point. A Prince that sets time then disengages immediately is symptomatic of a broken stem bridge. Aftermarket CNC-machined brass replacements circulate among watchmakers, and aftermarket "cal. Prince TS" winding stems are commercially available. Owners of Cal. 300 Princes should treat the stem bridge as a known maintenance item rather than a hidden fault.

The Aegler-Gruen marketing split is a related authentication concern. Aegler supplied shaped movements to Gruen as well as Rolex; Rolex took the British Empire markets, Gruen took the United States market. The Gruen Cal. 877 used in the Gruen Techni-Quadron is the architectural sibling of the Rolex Cal. 300 — the same Aegler movement under a different brand. Some Prince literature lists "Cal. 877" as a Prince caliber; this is a misattribution traceable to the Gruen-Rolex sibling relationship and should be excluded from canonical Prince caliber listings. A Gruen-stamped movement under a Rolex Prince case is a known transplant pattern.

== Sources ==

* [https://revolutionwatch.com/a-movement-in-history-the-zenith-driven-rolex-daytona/ Revolution — A Movement in History: The Zenith-driven Rolex Daytona] (Ross Povey, 2018)
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-part-1-3 Hodinkee — A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Part 1] (Paul Boutros, 2012)
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-pt-23 Hodinkee — A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Part 2] (Paul Boutros, 2013)
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ Monochrome — In-Depth: The History of the Rolex Daytona] (Erik Slaven, 2024)
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ Monochrome — History of the Rolex Submariner, Part 1] (Tom Mulraney, 2020)
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ Monochrome — History of the Rolex Submariner, Part 2] (Tom Mulraney, 2020)
* [https://monochrome-watches.com/history-rolex-gmt-master-and-gmt-master-ii-1955-2024-iconic-traveller-watch-in-depth-review/ Monochrome — In-Depth: The History of the Rolex GMT-Master and GMT-Master II]
* [https://monochrome-watches.com/history-rolex-explorer-from-1953-36mm-1016-14270-114270-214270-124270-in-depth-review/ Monochrome — The History of the Rolex Explorer] (Frank Geelen, 2024)
* [https://monochrome-watches.com/history-rolex-explorer-ii-adventure-watch-gmt-1655-16550-16570-216570-226570-in-depth/ Monochrome — In-Depth: The History of the Rolex Explorer II]
* [https://monochrome-watches.com/rolex-explorer-14270-perfect-youngtimer-watch-vintage-corner/ Monochrome — Youngtimer Case Study, the Rolex Explorer 14270] (Frank Geelen, 2020)
* [https://monochrome-watches.com/rolex-explorer-214270-vs-previous-214270-review-history-rolex-explorer/ Monochrome — Rolex Explorer 214270 In-Depth Review] (Brice Goulard, 2016)
* [https://www.hodinkee.com/articles/rolex-explorer-reference-points Hodinkee — A Comprehensive Collector's Guide To The Rolex Explorer I] (Jon Bues, 2022)
* [https://www.watchtime.com/brands/watches/tracking-the-rolex-daytona-a-53-year-history WatchTime — Tracking the Rolex Daytona: A 55-Year History]
* [https://revolutionwatch.com/rolex-john-player-special-paul-newman-daytona-ref-6241/ Revolution — The Rolex "John Player Special" Paul Newman Daytona Ref. 6241] (Bob Ridley, 2017)
* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic A Collected Man — Is the Rolex Pre-Daytona a Forgotten Classic?] (Russell Sheldrake, 2020)
* [https://www.fratellowatches.com/why-i-bought-the-rolex-cosmograph-daytona-reference-116520/ Fratello — Why I Bought The Rolex Cosmograph Daytona Reference 116520] (Ben Hodges, 2021)
* [https://www.fratellowatches.com/rolex-submariner-14060m/ Fratello — Rolex Submariner 14060M Review]
* [https://www.fratellowatches.com/rolex-submariner-114060-review/ Fratello — Rolex Submariner 114060 Review] (2019)
* [https://www.fratellowatches.com/ceramic-bezel-close-up-of-the-rolex-gmt-master-ii-ref-116710ln/ Fratello — Ceramic Bezel close-up of the Rolex GMT-Master II ref. 116710LN]
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-n09952/lot.252.html Sotheby's — Submariner Ref 6536/1, Stainless Steel Automatic With Bracelet, Circa 1957]
* [https://www.sothebys.com/buy/25e5416b-f436-484a-834e-1ba10a9dfc69/lots/9a553d3f-0450-465f-b767-7f1946a7bfc0 Sotheby's — Submariner Ref. 6538, Stainless Steel With 4-Line Tropical Dial, Circa 1958]
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

Reference:air-king

2026-06-29T01:26:30Z

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{{DISPLAYTITLE:Rolex Air-King}}
{{#seo:
|title=Rolex Air-King — Reference Guide to Every Model & Year | BezelBase
|description=The Rolex Air-King has been in the catalogue since 1945 — the post-Battle-of-Britain piece that became Rolex's longest-running line. From the 4925 Bubbleback through the 5500 mainstay to the 14000 / 114200 sapphire era. Family hub for every published Air-King reference.
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The Air-King is Rolex's longest-running named line. It begins in 1945 with a small batch of hand-wound Bubblebacks bearing four cockpit-derived names — Air-King, Air-Lion, Air-Tiger, Air-Giant — produced as a Battle of Britain commemoration aimed at British pilots. Three of the four names were retired by 1953. The Air-King survived. From the 4925 of the 1940s through the 5500 mainstay of 1957–1989 and into the sapphire-crystal 14000-onward generation, the Air-King carries a single design idea forward: a 34mm steel Oyster, smooth bezel, a non-chronometer movement, and an entry-level Rolex price. Plain text, plain meaning.

The line sits as Rolex's most accessible mid-century piece — never a flagship, never a sport tool, but consistently in the catalogue across eight decades. Its role as a default Rolex made it the choice for corporate-gift programs (Domino's Pizza, Pool Intairdril, Circle Bar Drilling) and for Middle-East government-crest commissions (Saudi Armed Forces, UAE, Bahrain, Kuwait). The 5500 in particular carries a wider documented dial map than any other single Air-King reference.

== References in scope ==

The pre-2020 Air-King references in scope on BezelBase, in production order:

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Notes
|-
| [[Reference:4925|4925]] / [[Reference:4365|4365]] / [[Reference:4499|4499]] || 1945–1953 || cal 10½ Hunter hand-wound || Originating Air-King generation — the four-name Battle of Britain commemoration. 4925 = centre-seconds Air-King-only. 4365 = sub-seconds with four-name shared-case dial map (Air-King / Air-Lion / Air-Tiger / Air-Giant). 4499 = 1946+ centre-seconds running mate to 4925, 15j→17j running update (Bonhams 2012 documents 1946 15j sub-seconds variant). Battle of Britain commemoration narrative is universally repeated but primary-source unverified
|-
| [[Reference:6552|6552]] || 1953–1957 || cal 1030 automatic || First automatic Air-King; Cal 1030 butterfly rotor stamped ROLEX PERPETUAL PATENTED. Caseback duality (6552 between lugs / 6565 inside) period-correct. "Super Precision" dial despite chronometer-grade movement adjustment
|-
| [[Reference:5501|5501]] || 1959–1986 (late stock to 1987) || cal 1530 / 1520 || The only true Rolesor Air-King — steel case with solid 18k yellow gold fluted bezel and gold crown. Distinct from gold-capped 5502/5506/5520 (40-micron plated). Cotton Bowl Classic 1967-1970 + Tiffany champagne marquee branches. Caseback 5501/1102
|-
| [[Reference:5502|5502]] || 1958–1965 || cal 1530 || Gold-capped 40-micron Super Precision Air-King — US-market distribution channel. Alpha hands. Sister to 5506 (parallel-production Commonwealth-market). Distinct from solid-gold 5501 (5502 = electroplated, 5501 = solid 18k gold) and from later 5520 (5502 = Cal 1530 Super Precision alpha hands; 5520 = Cal 1520 Precision baton hands)
|-
| [[Reference:5504|5504]] || 1957/58–1963/64 || cal 1530 || 36mm Explorer-case Super Precision; the connective tissue between 5500 (34mm Air-King) and 1016 Explorer (36mm EXPLORER text + COSC). Wears 1016 case but AIR-KING dial text and non-COSC Cal 1530. 3-6-9 Explorer-dial-with-AIR-KING-text is the marquee collector branch
|-
| [[Reference:5506|5506]] || 1958–1964 || cal 1530 || Gold-capped 40-micron Super Precision Air-King — UK/Commonwealth-market distribution channel. Alpha hands. Sister to 5502 (parallel-production US-market). Bonhams 2023 lot 51 (USD 2,550) is the strongest standalone hammer record. Same Kessi Frères case + 78351 bracelet as 5502
|-
| [[Reference:5500|5500]] || 1957–1989 || cal 1530 then 1520 || The mainstay. 32-year run. Broadest documented dial map of any Air-King
|-
| [[Reference:5520|5520]] || 1974–1986 || cal 1520 || The longest-running gold-capped Air-King — 40-micron yellow gold electroplate over steel base. "Precision" dial (NOT Super Precision — distinguishes from earlier 5502/5506 pair). Baton/stick hands and markers (vs alpha on 5502/5506). Domino's "Golden Egg" marquee branch from 1980s Domino's Olympic Award. Caseback 5520/1024
|-
| [[Reference:5700|5700]] / [[Reference:5701|5701]] || 1959–1988 (late "N" codes to 1991) || cal 1525 / 1535 || Air-King-Date with date at three. Both Precision tier (non-COSC). Marquee curiosity: cursive "Explorer-Date" dial variant. 5701 sister = two-tone Rolesor steel-and-18k-gold with fluted/reeded bezel + gold crown (same Rolesor convention as 5501)
|-
| [[Reference:14000|14000]] || 1989–2000 || cal 3000 || First sapphire-crystal Air-King; non-COSC ("Precision" dial), wider dial palette than any prior Air-King (salmon, blue, Roman, Arabic, 3-6-9 Explorer), Domino's second-generation tilted-logo + Tiffany retailer-signed branches
|-
| [[Reference:14000M|14000M]] || 2000–2006 || cal 3130 || The bridge Air-King — same Cal 3130 the 114200 carries, but pre-COSC ("Precision" dial) and pre-engraved-rehaut (smooth rehaut throughout). Pre-Parachrom (hairspring adoption 2010, after 14000M production ended). Visually nearly identical to 14000
|-
| [[Reference:114200|114200]] || 2007–2014 || cal 3130 || First COSC-certified Air-King in line history. Engraved rehaut from launch. Concentric "wave" dial palette in silver/black/blue+orange-Arabic/salmon/green/Roman/3-6-9-Explorer/Arabic. Closes the 34mm Air-King chapter before the 2-year hiatus and 116900 40mm redesign
|}

The post-2014 references (116900, 126900) sit outside the BezelBase pre-2020 scope and are not covered.

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a 5500 mainstay?'' '''[[Reference:5500|5500]]''' — the thirty-two-year mainstay across calibers 1530 and 1520, with the broadest documented dial map of any Air-King and the canvas for the major corporate-gift and Middle-East commissions.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Working from an Explorer-dial Air-King?'' '''[[Reference:5504|5504]]''' — thirty-six-millimetre Explorer-case Super Precision. Cal 1530, AIR-KING dial text on a 1016 case — the connective tissue between the 5500 mainstay and the 1016 itself.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a COSC-era Air-King?'' '''[[Reference:114200|114200]]''' — first COSC-certified Air-King. Engraved rehaut from launch and the concentric wave dial palette (silver, black, blue with orange Arabic, salmon, green, Roman, 3-6-9 Explorer, Arabic) that closes the 34mm chapter in 2014.
|}

== History ==

=== Battle of Britain origins (1945) ===

Hans Wilsdorf was in London during the Battle of Britain in the autumn of 1940 and the years that followed. The Air-King and its three sister names — Air-Lion, Air-Tiger, Air-Giant — emerged in 1945 as a commemorative gesture toward RAF pilots, who were already wearing Rolex Oysters as personal purchases (the official-issue military watches went elsewhere). The four names ran on different reference numbers across the late-1940s 4925 / 4365 / 4499 / 4499/2 / 4925 hand-wound Bubbleback series.

The names did not all survive. Air-Lion, Air-Tiger, and Air-Giant were retired by the early 1950s. Air-King continued, settling onto the 6552 (the first automatic Air-King, 1953–1957) and then onto the 5500 mainstay (1957–1989).

=== The 5500 mainstay (1957–1989) ===

The 5500 carries the line forward across 32 years — the longest single Rolex reference run. Cal 1530 (1957–c.1963) gave way to Cal 1520 (c.1963–1989); both are non-chronometer 1500-family movements. The dial text alternates between AIR-KING / SUPER PRECISION (Cal 1530 era) and AIR-KING / PRECISION (Cal 1520 era), and a minority of 5500s left the factory without AIR-KING text — the same case middle was shared with the 1002 Oyster Perpetual, and casebacks across the 1970s+ run carry an inside "1002" stamp that is period-correct rather than service-replacement.

The 5500 became the canvas for Rolex's most-documented corporate-gift programs (Domino's Pizza, Pool Intairdril, Circle Bar Drilling, Winn-Dixie, Levi's) and for Middle-East government-crest commissions (Saudi Armed Forces, UAE, Bahrain Al Khalifa, Kuwait Al-Sabah). The Joyería Riviera retailer-signed gilt Explorer 3-6-9 5500 sits at the top of the auction record (Phillips Geneva FIVE 2017 lot 76 at CHF 32,500; Phillips Double Signed Geneva 2019 lot 49 at CHF 37,500).

=== The sapphire era (1989+) ===

The 14000 (1989) replaced the acrylic crystal with sapphire, dropped the AIR-KING + PRECISION dial text in favor of cleaner OYSTER PERPETUAL AIR-KING typography, and adopted Cal 3000 — Rolex's modern 28,800 vph base movement. The 14000M (2000) updated to Cal 3130. The 114200 (2007) refined the case proportions, added the engraved rehaut around the dial, and introduced concentric "wave" dials and several green / blue / pink configurations across the run.

== Where it sits across Rolex ==

The Air-King line uses the same case architecture and 1500-family movement as the 1002 Oyster Perpetual (no Air-King text on dial), the 1016 Explorer (36mm with Explorer dial), and the 1018 Oyster Perpetual 36mm. The Cal 1530 generation that powers the 5500 also powers the early 1016 Explorer; the 5500 with a 3-6-9 Explorer dial is functionally a 34mm Explorer in everything but case diameter and dial text.

The Air-King-Date 5700 / 5701 carry a date at three under the same case architecture; their 1535 / 1525 calibers add a date module to the 1500 base and shift the dial layout slightly. The Air-King-Date is sometimes treated as a separate sub-line by collectors and sometimes folded back into the Air-King family.

== Related families ==

* [[Reference:explorer|Explorer]] — the close cousin. Same 1500-family movement powers the 5500 and the 1016; the 5504 wears a 1016 case under an Air-King dial.
* [[Reference:bubbleback|Bubbleback]] — the founding line. The 1945 4925 / 4365 / 4499 origination references sit in the same early-Oyster-Perpetual lineage the Bubbleback established.
* [[Reference:milgauss|Milgauss]] — the parallel non-flagship. Both lines run as quiet, non-sport, technically distinctive Rolexes through the 1960s and 1970s — Air-King at the entry tier, Milgauss at the specialist tier.

== Sources ==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://www.rescapement.com/blog/for-your-reference-rolex-air-king-reference-5500 Tony Traina, "For Your Reference: Rolex Air-King Reference 5500", Rescapement]
* [https://monochrome-watches.com/history-of-the-rolex-air-king-the-underrated-pilots-watch/ Erik Slaven, "History of the Rolex Air-King, the underrated pilots watch", Monochrome Watches, 2025]
* [https://goldammer.me/blogs/articles/rolex-airking-origin-history-and-design-evolution Marcus Siems, "Rolex Air-King Origin History and Design Evolution", Goldammer]
* [https://beckertime.com/blog/rolex-caliber-15201530/ "Rolex Caliber 1520 and 1530", Beckertime]

[[Category:Air-King]]
[[Category:Family Hub]]

Reference:unicorn-daytona

2026-06-29T01:24:52Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex unicorn-daytona}}
{{#seo:
|title=Rolex unicorn-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Unicorn Rolex Cosmograph Daytona 6265 — the only known 18k white gold manual-wind Daytona. Case 2877587, manufactured 1970, delivered 1971 to a German retailer. Sold CHF 5,937,500 at Phillips Daytona Ultimatum, Geneva, 12 May 2018. Authenticity disputed in Perezcope's 2022 Frankenstein dossier citing 2010 photographs and millerighe pusher forensics.
|keywords=Unicorn Daytona, Unicorn 6265, white gold 6265, Rolex Unicorn, Phillips Daytona Ultimatum, Perezcope Unicorn Frankenstein, Goldberger Unicorn, CHF 5,937,500
|image=Ref 6265 unicorn-hero.webp
|image_alt=The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018
|type=Article
|og_type=article
|published_time=2026-04-19T14:53:15Z
|modified_time=2026-06-29T01:23:30Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:6265|6265]] → '''Unicorn'''

= The Unicorn (Daytona 6265 in 18k white gold) =

The Unicorn is the only known 18k white gold manual-wind Daytona. It is a one-off special-order [[Reference:6265|6265]], case 2877587, made in 1970 and delivered in 1971 to a German retailer. Phillips sold it at Daytona Ultimatum in 2018 for CHF 5,937,500 including premium. Perezcope's 2022 dossier disputes the watch as sold at Phillips and argues for a Frankenstein assembled from period-correct and replacement parts. Both readings remain on the record.

[[File:Ref 6265 unicorn-hero.webp|thumb|right|250px|alt=The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018|The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018]]

== What the Unicorn is ==

Four facts about the Unicorn that set it apart from every other 6265:

The Unicorn has four practical markers.

* 18k white gold case, unique within the manual-wind Daytona line.
* Case number 2877587, placing it in Rolex's 1970 production band.
* Documented 1971 delivery to Germany.
* A Sigma dial on a case number that predates the usual Sigma window, which is one reason the watch stays under forensic scrutiny.

== The Phillips sale (12 May 2018) ==

Phillips Daytona Ultimatum was a 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum. The Unicorn was Lot 8 and the headline lot of the auction. Phillips's lot essay framed the watch as the authentic sole white gold 6265, with the dial, pushers, and bezel disclosed as period-correct service replacements sourced by Goldberger during his ownership. The watch hammered at CHF 5,400,000 with buyer's premium bringing the all-in price to CHF 5,937,500 — about USD 5.9M at prevailing exchange.

The sale placed the Unicorn at second on the all-time Rolex auction list at that date, behind only Paul Newman's own 6239 ([[Reference:paul-newman-daytona|USD 17.52M at Phillips Winning Icons, October 2017]]). The broader Daytona Ultimatum sale reset the market ceiling across manual-wind Daytona collecting and established Phillips as the canonical auction house for thematic Rolex sales.

== Ownership history ==

The Unicorn's ownership chain is, per Phillips's lot essay and Goldberger's published accounts:

- Manufactured 1970, Rolex Geneva
- Delivered 1971 to a German retailer, sold to a first retail buyer
- Surfaced in collector circulation in the 2000s
- Acquired by John Goldberger (Auro Montanari, Italian collector and author of ''100 Superlative Rolex Watches'')
- Held by Goldberger through the 2010s; service work documented in period including the Sigma dial swap cited in Phillips's essay
- Consigned to Phillips, May 2018
- Sold to a private buyer at the 2018 sale; ownership since has not been publicly re-surfaced

== The Perezcope dispute (December 2022) ==

Jose Pereztroika's December 2022 dossier — "Rolex Daytona 6265 The Unicorn Frankenstein plot" — disputes the Unicorn's authenticity as presented at Phillips. The dossier's core evidence:

=== 2010 Newoldschlock Instagram photographs ===

An anonymous Instagram account ("newoldschlock") posted 2010 photographs of case 2877587 — the same white gold 6265 case the Unicorn carries — with a ''different dial, different pushers, and a different bezel'' from what appeared at Phillips in 2018. The 2010 photographs show the case wearing a steel tachymetre bezel, steel screw-down pushers, and a black dial without Sigma markings. The 2018 configuration — white gold bezel, millerighe-knurled white gold pushers, Sigma dial — differs on all three points.

Per Perezcope, this contradicts Phillips's framing of "period-correct service replacements sourced by Goldberger" — the photographs document that the current configuration was assembled after 2010, not retained from the 1971 delivery.

=== Millerighe pusher forensics ===

The 2018 configuration's white gold millerighe-knurled pushers are, per Perezcope's analysis, inconsistent in shape, refinement, and burr pattern with authentic single-source Rolex millerighe pushers of the period. The knurl pattern, the top-face chamfer, and the burr at the base all read as non-Rolex — consistent with a later third-party fabrication rather than original or period-correct service-replacement Rolex parts.

=== Sigma dial chronology ===

The Sigma dial convention is dated, per Perezcope's own forensic database, to around case number 3.0 million — roughly 1972. The Unicorn case 2877587 predates that by about one million serials. A Sigma dial on a 2877587 case reads as an anachronism — the dial type did not exist when this case was manufactured.

=== Cal 727 movement stamp ===

Perezcope flags that the Unicorn's cal 727 movement carries an older "7-2-7" hyphenated stamp on a serial range where neighbouring movements already use the newer cleaner "727" stamp. A cal 727 with the wrong stamp style for its case-number neighbourhood reads as a movement that has been swapped or assembled from older parts.

== Phillips's position and Goldberger's framing ==

Phillips's 2018 lot essay disclosed that the dial, pushers, and bezel were not the original 1971 delivery components — Phillips presented them as period-correct service replacements sourced by Goldberger during his ownership. The essay positioned the Unicorn as authentic-Rolex with service-period-appropriate parts, not as a fully original-delivery watch.

Goldberger has publicly treated the Unicorn as the last known white gold 6265, and the replacement components as period-correct parts fitted for display and preservation. Phillips and Goldberger's combined framing is that the core case (2877587 in 18k white gold) is unquestionably authentic Rolex and the sole documented white gold 6265, regardless of the post-1971 dial/bezel/pusher replacement history.

Perezcope's counter is that even accepting the case as authentic, the assembled Unicorn as it sold at Phillips in 2018 is not a single coherent Rolex watch — it is a Frankenstein. The millerighe pushers are not period-correct service replacements; the Sigma dial is an anachronism; the movement stamp reads as period-mismatched.

== Why the dispute matters ==

Both positions stay on the record. The market will continue to catalogue the Unicorn's Phillips result as the canonical price for the variant; collectors will form their own authentication positions on the Frankenstein question. Similar forensic disputes sit on three other high-value Daytona variants — [[Reference:albino-daytona|Albino 6263]], [[Reference:6240|Neanderthal 6240]], and the [[Reference:116520|116520 bracelet 78490/78690]] reading — with Perezcope as the consistent second voice raising post-sale forensic questions.

== Relation to other 6265 variants ==

The Unicorn is one of several rare precious-metal 6265 configurations:

- '''18k white gold (Unicorn)''' — 1, documented
- '''18k yellow gold''' — several, common enough to command a premium over steel but not a one-off
- '''14k yellow gold''' — smaller number, North American market specification
- '''950 platinum''' — handful documented, each catalogued on specific provenance
- '''Lemon dial in gold or platinum''' — separate sub-branch; see [[Reference:6265|6265]] article

== Where to go next ==

- [[Reference:6265|Reference 6265]] — full treatment of the host reference, all Paul Newman variants, Sultan of Oman Khanjar, Lemon dial, and retailer-signed examples
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the exotic-dial category the Unicorn sits adjacent to
- [[Reference:albino-daytona|Albino Daytona]] — the parallel disputed variant in the manual-wind category
- [[Reference:daytona-glossary|Daytona glossary]] — definitions for every named variant

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* [https://perezcope.com/2022/12/31/rolex-daytona-6265-the-unicorn-frankenstein-plot/ Rolex Daytona 6265 The Unicorn Frankenstein Plot] — Jose Pereztroika, Perezcope, December 2022
* Phillips Geneva, Daytona Ultimatum, Lot 8 catalogue essay, 12 May 2018
* [https://watchesbysjx.com Preview: Phillips Daytona Ultimatum picks] — SJX, 2018
* [https://www.sothebys.com/en/articles/vintage-rolex-daytona-the-gold-standard Vintage Rolex Daytona: The Gold Standard] — Karyn Orrico, Sotheby's, 2024

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Disputed variant]]

Reference:submariner

2026-06-29T01:24:44Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex Submariner}}
{{#seo:
|title=Rolex Submariner — Reference Guide to Every Model & Year | BezelBase
|description=Every Rolex Submariner reference from the 1953 original through the current 41mm generation. Production histories, dial variants, movement specs, and collector context.
|keywords=Rolex Submariner, vintage Submariner, 5512, 5513, 1680, 16610, 116610, 126610, dive watch, collector guide
|image=Submariner vintage poster.webp
|image_alt=Vintage Rolex Submariner advertising — the watch that defined the dive watch category
|type=Article
|og_type=article
|published_time=2026-04-14T19:18:33Z
|modified_time=2026-06-29T01:23:22Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Submariner ==
The Submariner is Rolex's core dive watch and the model that fixed the basic template every other dive watch later borrowed from. Rolex introduced the first Submariner, the 6204, in 1953, and the line has run continuously since. Four broad eras follow: pre-crown-guard watches through the late 1950s, the long acrylic crown-guard run led by the 5512 and 5513, sapphire-crystal five-digit references from 1979, and ceramic six-digit references from 2010.

[[File:Submariner vintage poster.webp|thumb|center|400px|alt=Vintage Rolex Submariner advertising — the watch that defined the dive watch category|Vintage Rolex Submariner advertising — the watch that defined the dive watch category]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a long-run vintage Sub with crown guards?'' '''[[Reference:5513|5513]]''' — twenty-seven years of production, four dial generations (gilt, matte, Bart Simpson, white-gold-surround). The mid-vintage benchmark.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching a Red Sub or the first date Submariner?'' '''[[Reference:1680|1680]]''' — first date Sub, first depth rating on the dial, the platform that hosts the Red Sub and White Sub eras.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a five-digit modern Sub?'' '''[[Reference:16610|16610]]''' — the twenty-three-year five-digit benchmark on caliber 3135, sapphire crystal, the canonical 1987–2010 Submariner.
|}

== Early Submariner (1953–1959) ==

Six years of unsettled design before the line found its shape. Crown sizes changed, depth ratings jumped from 100m to 200m, hands shifted from pencil to Mercedes, and the dial alternated between a clean three-line layout and an Explorer-style 3-6-9. The grouped sub-family page ([[Reference:submariner-early-family|early family]]) carries the cross-reference map across the 6204, 6205, 6200, 6536, 6536/1, and 6538.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Depth !! Case !! Key distinction
|-
| [[Reference:6204|6204]] || 1953–1954 || A260 || 100m || 36mm SS || First Submariner
|-
| [[Reference:6205|6205]] || 1953–1954 || A296 || 100m || 36mm SS || Parallel early production; minor case/dial variations
|-
| [[Reference:6200|6200]] || 1953–1954 || A296 || 200m || 36mm SS || "King Sub" — oversized 8mm crown, Explorer dial option
|-
| [[Reference:6536|6536]] || 1954–1958 || A296/1030 || 100m || 36mm SS || Transitional; smaller crown, Mercedes hands
|-
| [[Reference:6538|6538]] || 1957–1960 || 1030 || 200m || 38mm SS || James Bond Sub (Connery); large crown, no crown guards
|}

== Crown-guard era (1958–1990) ==

The Submariner takes the form it would carry for three decades. Crown guards arrived on the 5512 in 1959, the chronometer / non-chronometer split hardened into the 5512 / 5513 pairing, and the 1680 added the date complication in 1969. The 5512, 5513, 5514, and 5517 are tracked together on the [[Reference:submariner-5xxx-family|5xxx-family]] page.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date
|-
| [[Reference:5508|5508]] || 1958–1962 || 1530 || No-date || 38mm SS || Last pre-crown-guard no-date
|-
| [[Reference:5510|5510]] || 1958–1960 || 1530 || No-date || 38mm SS || Rare transitional; crown guard + no crown guard variants
|-
| [[Reference:5512|5512]] || 1959–1980 || 1530/1560/1570 || No-date || 40mm SS || Chronometer; crown guards; gilt and matte eras; 17,338 units
|-
| [[Reference:5513|5513]] || ~1962–1989 || 1520/1530 || No-date || 40mm SS || 27-year run; non-chronometer; gilt, matte, Bart Simpson variants
|-
| [[Reference:5514|5514]] || 1960–1978 || 1520 || No-date || 40mm SS || COMEX; helium escape valve
|-
| [[Reference:5517|5517]] || 1972–1979 || 1520 || No-date || 40mm SS || British Military; MOD markings, fixed spring bars
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date
|-
| [[Reference:1680|1680]] || 1969–1979 || 1575 || Date || 40mm SS || First date Sub; Red Sub (6 marks) and White Sub eras
|}

== Five-digit era (1979–2010) ==

Sapphire crystal replaced acrylic, the movement line advanced from caliber 3035 to 3135, and Rolex broadened the catalog with two-tone and full-gold variants running alongside the steel benchmark.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date (steel)
|-
| [[Reference:14060|14060]] || 1990–2000 || 3000 || No-date || 40mm SS || Sapphire crystal, caliber 3000
|-
| [[Reference:14060M|14060M]] || 2000–2012 || 3130 || No-date || 40mm SS || Superlative Chronometer certification
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (steel)
|-
| [[Reference:16800|16800]] || 1979–1986 || 3035 || Date || 40mm SS || Transitional; first sapphire crystal Sub Date
|-
| [[Reference:16610|16610]] || 1987–2010 || 3135 || Date || 40mm SS || 23-year benchmark; solid end links, Parachrom late
|-
| [[Reference:16610LV|16610LV]] || 2003–2010 || 3135 || Date || 40mm SS || "Kermit" — first green bezel, 50th anniversary
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (precious metal)
|-
| [[Reference:16803|16803]] || 1984–1988 || 3035 || Date || 40mm SS/YG || Two-tone; blue or black dial
|-
| [[Reference:16808|16808]] || 1984–1988 || 3035 || Date || 40mm YG || Full 18k yellow gold
|-
| [[Reference:16613|16613]] || 1988–2010 || 3135 || Date || 40mm SS/YG || Two-tone successor to 16803
|-
| [[Reference:16618|16618]] || 1988–2010 || 3135 || Date || 40mm YG || Full gold successor to 16808
|}

== Six-digit era (2010–2020) ==

Cerachrom ceramic bezels, Glidelock micro-adjust bracelets, and, for the 126 series that replaced these in 2020, the move from 40mm to 41mm. The six-digit Subs are the most technically refined the line has been, though many collectors still prefer how the five-digit era wears.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date
|-
| [[Reference:114060|114060]] || 2012–2020 || 3130 || No-date || 40mm SS || "Last small Sub" — ceramic bezel, maxi dial
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (steel)
|-
| [[Reference:116610LN|116610LN]] || 2010–2020 || 3135 || Date || 40mm SS || Cerachrom bezel, Glidelock bracelet
|-
| [[Reference:116610LV|116610LV]] || 2010–2020 || 3135 || Date || 40mm SS || "Hulk" — green dial + green ceramic bezel
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (precious metal)
|-
| [[Reference:116613|116613]] || 2010–2020 || 3135 || Date || 40mm SS/YG || Two-tone, Cerachrom
|-
| [[Reference:116618|116618]] || 2010–2020 || 3135 || Date || 40mm YG || Full gold, Cerachrom
|-
| [[Reference:116619LB|116619LB]] || 2010–2020 || 3135 || Date || 40mm WG || "Smurf" — white gold, blue bezel
|}

== Special branches ==

Two institutional branches sit alongside the retail line. The [[Reference:comex|COMEX]] program issued seven references (5513, 5514, 1665, 16660, 16800, 16600, 16610) to Compagnie Maritime d'Expertises in Marseille between 1971 and 1997 for saturation diving; the 5514 was built as a dedicated COMEX product, the rest are retail references modified or marked at supply. The [[Reference:milsub|MilSub]] is the British military configuration of the 5513 and 5517 issued to Royal Navy and Army units between roughly 1971 and 1979, with fixed bars, a fully graduated 60-minute bezel, sword hands, T SWISS T tritium dial, and broad-arrow caseback engraving.

== Movement progression ==

{| class="wikitable"
|-
! Caliber !! Frequency !! Power reserve !! Used in !! Notes
|-
| A260/A296 || — || — || 6204, 6205, 6200, 6536 || Pre-1530 era
|-
| 1030 || — || — || 6536 (late), 6538 || Crown-guard transition
|-
| 1520 || 19,800 vph || — || 5513, 5514, 5517 || Non-chronometer path
|-
| 1530 || 18,000 vph || — || 5508, 5510, 5512 (early) || First crown-guard movements
|-
| 1560/1570 || 18,000/19,800 vph || — || 5512 || Chronometer path; hacking 1972
|-
| 1575 || 19,800 vph || — || 1680 || Date complication
|-
| 3000 || 28,800 vph || 48 hr || 14060 || First modern no-date movement
|-
| 3035 || 28,800 vph || 48 hr || 16800, 16803, 16808 || First sapphire-crystal era date
|-
| 3130 || 28,800 vph || 48 hr || 14060M, 114060 || Parachrom; Superlative Chronometer
|-
| 3135 || 28,800 vph || 48 hr || 16610–116619LB || The 3135 era; 23+ years
|}

== Related families ==

* [[Reference:sea-dweller|Sea-Dweller]] — the deeper-rated sibling, helium escape valve, depth rating to 1,220m. Covers 1665, 16660, 16600, 116600.
* [[Reference:gmt-master|GMT-Master]] — the parallel sports line. Same case-era splits (acrylic, sapphire, ceramic), GMT hand instead of the Submariner's elapsed-time bezel.
* [[Reference:explorer|Explorer]] — same 1953 launch year as the 6204, similar case construction, tool-watch restraint.

== Sources ==
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ History of the Rolex Submariner - Part 1] — Tom Mulraney, Monochrome
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ History of the Rolex Submariner - Part 2] — Tom Mulraney, Monochrome
* [https://monochrome-watches.com/rolex-submariner-history-part-4-modern-references/ History of the Rolex Submariner - Part 4] — Tom Mulraney, Monochrome
* [https://www.sothebys.com/en/articles/how-to-start-collecting-the-rolex-submariner Submariner Collector's Guide] — Stephen Pulvirent, Sotheby's
* [https://www.hodinkee.com/articles/rolex-submariner-reference-points Reference Points: The Rolex Submariner] — Stephen Pulvirent, Hodinkee

[[Category:Submariner]]
[[Category:Family Index]]

Reference:sea-dweller

2026-06-29T01:24:41Z

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{{DISPLAYTITLE:Rolex Sea-Dweller}}
{{#seo:
|title=Rolex Sea-Dweller — Complete Reference Guide — BezelBase
|description=Every pre-2020 Rolex Sea-Dweller reference, from the 1967 Single Red prototypes through the 2014–2017 116600 reissue. Production histories, dial mark generations, COMEX deliveries, movement specs, and collector context.
|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar
|image=Sea-dweller vintage poster.webp
|image_alt=Rolex Sea-Dweller 1979 magazine advertisement
|type=Article
|og_type=article
|published_time=2026-05-16T03:28:48Z
|modified_time=2026-06-29T01:23:19Z
|robots=index,follow,max-image-preview:large
}}

= Rolex Sea-Dweller =

The Sea-Dweller is the Rolex reference built for saturation diving — the Submariner with a helium escape valve. The line opens in 1967 with a small batch of Single Red prototypes hand-made in Geneva for the US Navy's SEALAB 3 programme and the Tektite I saturation experiment. Civilian retail begins in 1971 with the 1665 Double Red. The line runs through four canonical references over fifty years, with the 116600 closing the pre-2020 small-case era in 2017.

The operational distinction sits at 9 o'clock on the case. A one-way helium release valve, Swiss patent CH492246 (filed November 1967, granted June 1970), lets helium dissolved in the watch during long mixed-gas chamber dives escape during decompression without popping the crystal off the case. The Submariner has no valve. Saturation divers need one. The Sea-Dweller is what Rolex built to give it to them.

This index covers every pre-2020 Sea-Dweller reference. The current-production 126600 (2017 onward) and 126603 (2019 onward) sit outside scope.

[[File:Sea-dweller vintage poster.webp|thumb|center|400px|alt=Rolex Sea-Dweller 1979 magazine advertisement|Rolex Sea-Dweller 1979 magazine campaign: "Why the Rolex Sea-Dweller never gets the bends"]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a vintage acrylic-crystal SD?'' '''[[Reference:1665|1665]]''' — caliber 1575 without quickset, three dial generations — Single Red prototypes, Double Red Mk I–IV, Great White Mk 0–IV — and the 1976–1981 COMEX 300-unit run.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching a Triple Six?'' '''[[Reference:16660|16660]]''' — first sapphire-crystal Sea-Dweller, depth doubled to 1,220m, Andrea Piccinini's eight-tier dial taxonomy.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a long-run modern SD?'' '''[[Reference:16600|16600]]''' — the twenty-year long run on caliber 3135, three lume eras (tritium, Luminova, Super-LumiNova), and the last Sea-Dweller with an aluminum bezel insert.
|}

== Vintage acrylic-crystal era ==

The 1665 is the only Sea-Dweller with an acrylic crystal. Caliber 1575 with date but no quickset. Helium escape valve introduced. The reference runs through three dial generations across sixteen years — Single Red, Double Red Mk I–IV, and Great White Mk 0–IV.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:1665|1665]] || 1967 prototypes; 1971 civilian; 1983 end || 1575 || Acrylic || 610m / 2000ft || First Sea-Dweller. Three dial generations: Single Red (12 surfaced), Double Red Mk I–IV (Patent Pending caseback Mk I in 1.7M and 2.1M batches), Great White Mk 0–IV. COMEX 300 units 1976–81 with issue numbers 2000–2300. Asprey Khanjar branch with Sultan Qaboos crest.
|}

== Triple Six — sapphire crystal, cal 3035 (1978–1988) ==

The 16660 is the first sapphire-crystal Sea-Dweller, the first with a unidirectional bezel, and the first with quickset date. Depth rating doubled to 1220m / 4000ft. Caliber 3035 replaces the cal 1575. Production overlaps the 1665 for five years (1978 to 1983).

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:16660|16660]] || 1978–1988 || 3035 || Sapphire || 1220m / 4000ft || "Triple Six". Andrea Piccinini's 8-tier dial taxonomy (MK0 / MK1 / MK1 bis / MK2 Beyeler matte "Pallettoni" → MK3 Stern glossy spider dial → MK4 / MK4 bis Lemrich → MK5 Beyeler "Bicchierini"). Caseback typology external Mk1–4 + internal Mk1–3. COMEX ~200 units 1980–84 issue 3000–3199 in two batches. Tiffany-signed branch the rarest retailer-signed Sea-Dweller.
|}

== Long-run cal 3135 (1989–2008) ==

The 16600 carries the 16660 case forward and replaces the movement. Caliber 3135 with full balance bridge. White-gold-surround applied indices throughout. Production spans three lume eras — tritium MK1, Luminova MK2 (short window late 1998 to early 2000), Super-LumiNova MK3. The 16600 is the last Sea-Dweller with an aluminum bezel insert and the last to wear tritium.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:16600|16600]] || 1989–2008 || 3135 || Sapphire || 1220m / 4000ft || The long-run Sea-Dweller. 20 years of continuous production — longest of any SD reference. MK1 tritium → MK2 Luminova "SWISS" → MK3 Super-LumiNova "SWISS MADE" → MK4 short-FT. 93160 bracelet throughout (not 93150 — strip-on-sight). COMEX 16600 ~200 units in 1992 first batch (issue 32XX, straight caseback engraving) + 1997 second batch (issue 33XX, curved engraving — final Rolex–COMEX delivery). Theo Mavrostomos #3379 case U139'751 the most-documented SD example. Polipetto Polizia di Stato 78-unit 2008 commission.
|}

== Modern reissue — 116600 (2014–2017) ==

After the 116660 Deepsea moved the Sea-Dweller line to 44mm in 2008, the 116600 returns the reference to its canonical 40mm Oyster case. Three-year production. Caliber 3135 with Parachrom Blu hairspring (first Parachrom on a Sea-Dweller). Cerachrom ceramic bezel insert with platinum-coated graduations. Maxi dial with applied white-gold-surround indices and Chromalight lume. The "4000" depth designation drops from the dial despite the watch being marketed as "Sea-Dweller 4000".

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Blu || Sapphire || 1220m / 4000ft || Three-year reissue. First Cerachrom-bezel Sea-Dweller. Maxi dial, Chromalight lume, 97200 bracelet with Glidelock + Fliplock. Last 40mm Sea-Dweller before the 126600 took the line to 43mm. No mark generations — single dial, single bracelet, cleanest variant set in the SD line. Random scrambled serials throughout.
|}

== Helium escape valve ==

The HEV sits at 9 o'clock on every Sea-Dweller. Swiss patent CH492246, filed 6 November 1967, granted June 1970. The concept emerged from SEALAB diver Bob Barth's feedback on lost crystals during chamber decompression. Helium dissolves through case gaskets at saturation pressure; on ascent, the trapped gas expands and pops crystals off the case if it cannot escape. The valve is a one-way spring-loaded relief mechanism: internal pressure above the spring threshold opens it, the spring re-seats against water and dirt ingress on the way back down.

The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating. The 16600 and 116600 inherit the larger valve.

== Historical anchors ==

* 1967 — first Single Red prototypes delivered. Hand-made in Geneva for SEALAB 3 and Tektite I aquanauts. ~10 prototypes per T. Walker Lloyd (Rolex USA).
* 15 February 1969 — Berry Cannon SEALAB 3 death. Wore a valved Single Red during the fatal DDC decompression.
* Late 1971 — first co-branded Rolex–COMEX delivery. Batch of ten in the 2.6M serial range, double-signed and numbered 1 through 10.
* 17 February 1972 — formal Rolex–COMEX exclusivity letter. From Rolex Geneva to John M. Kelly, Singapore.
* 24 May 1972 — Physalie 6 record. Robert Gauret and Patrice Chemin reach 2000 feet / 610 metres wearing DRSDs. 233-hour, 17-day decompression schedule.
* 1992 — Theo Mavrostomos Hydra X dive. Reaches 701 metres over 43 days breathing Hydeliox. His 16600 caseback carries the inscription "Theo Mavrostomos – Hydrax – 701 M".

== Special branches ==

The four main Sea-Dweller references host institutional and retailer-signed branches whose provenance and authentication warrant separate treatment in the per-ref articles:

* Patent Pending caseback DRSD (1665 Mk I) — ~100 examples, hand-engraved caseback, 1.7M and 2.1M serial bands. Marcello Pisani's batch tables identify the canonical anti-fake checks (inside-back last-three-digits stamp present from 2.117M onward).
* COMEX 1665 — 300 numbered units 1976–81, issue 2000–2300, serial 5.14M–6.76M, "600m" depth on the dial. Three dial sub-generations track the Great White Mk system.
* COMEX 16660 — ~200 units 1980–84, issue 3000–3199, two batches matching the matte→glossy transition.
* COMEX 16600 — ~200 units in two batches, 1992 (issue 32XX, straight caseback engraving) and 1997 (issue 33XX, curved engraving). Final Rolex–COMEX delivery.
* Asprey Khanjar 1665 (Oman, Sultan Qaboos) — Red Khanjar with Qaboos signature in 3,566,9xx batch (~80–90 examples), gold Khanjar in 5.0M batch (4–5 known). Battle of Mirbat (July 1972) context.
* Single Red Sea-Dweller — ~10 hand-made prototypes 1967–69. ~12 surfaced. SEALAB 3 (Cousteau #1602920), Tektite I (Koblick #1602915, Waller), Deepstar (Bradley #1602913), COMEX Physalie (Brauer #1820177).
* US Navy Experimental Diving Unit — Patent Pending batch 2 (2.128M) loaned to USN EDU. Charles E. Gross #2128225 in a 28-day saturation simulation to 1000ft, June-July 1970.
* Polipetto 16600 (Polizia di Stato Sommozzatori, 2008) — 78 units for the 50th anniversary of the Italian State Police Diving Corps. 28 personalised with diver patent number on the caseback. Octopus emblem on the dial.
* Tiffany & Co retailer-signed 16660 — handful of surviving examples, barely surfaces on the public market.

== Reference guides ==

Cross-family material that applies across the Sea-Dweller line:

* [[Reference:Bracelets|Bracelets]] — the 9315, 93150, 93160, 78360, 97200 fitments and clasp date-code key
* [[Reference:Movements|Movements]] — caliber 1575 (1665), 3035 (16660), 3135 (16600 + 116600 with Parachrom Blu)
* [[Reference:Serial-numbers|Serial numbers]] — numeric 1967–1987, letter prefix 1987–2010, random alphanumeric 2010 onward

== Related families ==

* [[Reference:submariner|Submariner]] — the parent line. Same case, same bezel template — the Sea-Dweller is the Submariner with a helium escape valve.
* [[Reference:milgauss|Milgauss]] — the other specialist tool. Different threat (magnetism, not pressure), same purpose: a Rolex built for one specific working environment.
* [[Reference:gmt-master|GMT-Master]] — the parallel sports line. Same Cerachrom transition arrives on both lines in the late 2000s.

[[Category:Sea-Dweller]]
[[Category:Family]]

Reference:prince

2026-06-29T01:24:38Z

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{{DISPLAYTITLE:Rolex Prince}}
{{#seo:
|title=Rolex Prince — Art-Deco Reference Guide to Every Model | BezelBase
|description=The Rolex Prince family, 1928 to mid-1940s. Rectangular Art-Deco "Brancard" stretcher cases, duo-dial architecture with sub-seconds at six, Aegler shaped chronometer movements (Cal. 300 / 350 / T.S. 300) in Prima, Extra Prima, and Ultra Prima grades. References 971, 1490, 1491, 1527, 1862, 3361, and 3937, with retailer signatures spanning Bucherer, Beyer, Beguin, Cooke & Kelvey, and the Eaton 1/4 Century Club.
|keywords=Rolex Prince, Brancard, Chronometer, Doctor's Watch, 971, 1490, 1491, 1527, 1862, 3361, 3937, Aegler, Cal. 300, T.S. 300, Ultra Prima, Extra Prima, Beyer, Bucherer, Eaton 1/4 Century Club, Art Deco, vintage Rolex, observatory chronometer
|image=Ref 1490 hero.webp
|image_alt=Rolex Prince Brancard Chronometer 1490 — Beyer-double-signed steel
|type=Article
|og_type=article
|published_time=2026-04-28T04:25:49Z
|modified_time=2026-06-29T01:23:16Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Prince ==

The Rolex Prince is the rectangular Art-Deco family that ran from the 1928 launch into the mid-1940s. It was Rolex's bid for the men's chronometer market, built around an Aegler-patented (1927) shaped movement that placed the winding barrel at one end of the case and the balance at the other. The dial layout that defined the line is the duo-dial: hours and minutes in the upper register, sub-seconds at six, two visually separated tracks on the same plate. Marketing positioned the Prince as "the watch for men of distinction" — a 1930 advertisement reproduced by Rolex Magazine puts it in those exact words — and the chronometer-grade movement made the claim defensible.

The family runs across seven catalog references in the active scope of this wiki: 971 (the original Brancard), 1490 (the canonical larger Brancard), 1491 (Brancard sibling), 1527, 1862, 3361, and 3937. Production tapered through WWII as Rolex consolidated around the Oyster Perpetual platform; the latest documented Prince case carries a 1947 caseback dedication. The Prince does not return to the Rolex catalog until the 2005 Cellini Prince revival, which sits on a different platform and is not part of the vintage Prince story this page covers.

[[File:Ref 1490 hero.webp|thumb|center|400px|alt=Rolex Prince Brancard Chronometer 1490 — Beyer-double-signed steel|The 1490 in steel, Beyer-double-signed, found 1998 in the Beyer Zurich shop after sitting unsold from approximately 1928]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a Brancard?'' '''[[Reference:1490|1490]]''' — the canonical Brancard. Larger flared stretcher case, Cal 300 / 350 / T.S. 300 across the run, documented examples in steel, 9K through 18K gold, pink gold, two-tone, Tiger Stripe, and a single platinum.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching the earliest Prince?'' '''[[Reference:971|971]]''' — the original Brancard. Friedberg's 2001 Timezone article assigns the nickname here — the earliest version of the flared stretcher case, c.1928, the reference the 1490 evolves from.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a non-Brancard Prince?'' '''[[Reference:1343|1343]]''' — the Prince Classic. The unflared sister to the Brancards, suffix system A and B for metal and dial branches, and one of the two candidates (with 971 or 1490) for the 1928 launch pair.
|}

== References ==

The active-scope Prince references covered on this wiki:

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case shape !! Movement family !! Key distinction
|-
| [[Reference:1343|1343]] || c.1928/1929–c.1935 || Unflared rectangular Classic || Aegler 7½ ligne shaped, 15j Observatory Quality || The Prince Classic; the unflared sister to the 971/1490 Brancards. Suffix system: 1343 (silver), 1343A (standard, multiple metals), 1343B (Tiger Stripe two-colour gold). Friedberg/Beckertime read 1343 + 971 as the 1928 launch pair; Everest Bands and Rolex Magazine 2017 read 1343 + 1490
|-
| [[Reference:971|971]] || c.1928–early 1930s || Early Brancard "stretcher" || Aegler shaped (early variants) || The original Brancard; Friedberg's 2001 Timezone article assigns the Brancard nickname here, while modern auction-house convention has shifted the nickname to the 1490
|-
| [[Reference:1490|1490]] || c.1928–c.1945 || Larger flared Brancard, ~36–37×22–23mm body || Cal. 300 / Cal. 350 / Cal. 7¾′′′ T.S. 300 || The canonical Brancard; the most heavily catalogued Prince reference, with documented examples in steel, 9K/10K/14K/18K gold, pink gold, two-tone, Tiger Stripe bi-color, and a single platinum example (Bonhams 2017, GBP 32,500)
|-
| [[Reference:1491|1491]] || c.1930s || Brancard sibling || Aegler shaped || Brancard variant, smaller production
|-
| [[Reference:1527|1527]] || c.1930s || Rectangular || Aegler shaped || Prince variant
|-
| [[Reference:1862|1862]] || c.1930s–1940s || Rectangular || Aegler shaped || Prince variant; surfaces alongside the 1490 in Christie's group lot 1395-307 (18K, case 16,663, c.1938)
|-
| [[Reference:3361|3361]] || c.1930s–1940s || Rectangular || Aegler shaped || Late Prince variant
|-
| [[Reference:3937|3937]] || c.1930s–1940s || Rectangular || Aegler shaped || Late Prince variant
|}

Articles are added incrementally; references without a linked article are researched but not yet published.

== The Brancard nickname ==

A naming dispute runs through the literature. Auction houses uniformly call the 1490 a Brancard — Phillips, Sotheby's, Bonhams, Antiquorum, and Christie's all use the word in their catalog titles for the reference. Editorial sources are split. Michael Friedberg's [http://people.timezone.com/mfriedberg/articles/RolexPrince.html 2001 Timezone article] assigns the Brancard name specifically to the earlier reference 971, treating the 1490 as a separate larger Prince. Coronet Magazine's 2021 doctor's-watch piece follows Friedberg.

The reconciliation most consistent with published evidence is that 971 was the first Brancard — the earliest version of the flared stretcher case — and the 1490 is the larger evolution of the same case shape. Both qualify as Brancard cases by their flared profile. Modern auction-catalog convention treats the 1490 as the headline Brancard reference, and that convention dominates collector search. The reference number is unambiguous; the nickname is contested.

== Movement family ==

The Prince runs on Aegler shaped movements, manufactured in Bienne under H. Wilsdorf's exclusive supplier arrangement (a relationship that remained a supplier-only contract until Rolex purchased Aegler outright from the Borer family in April 2004, per Tim Mosso's Quill & Pad reporting). The shaped-movement family includes:

* '''Cal. 300''' — 15 jewels, 18,000 vph, approximately 50 hours of power reserve, produced 1928–1937. The base Prince caliber. Architecturally identical to the Gruen Cal. 877 used in the Gruen Techni-Quadron — the two are sibling movements in the same Aegler family, sold under different brands. Some early Prince literature lists "Cal. 877" for the Rolex Prince; this is a misattribution traceable to the Gruen-Rolex sibling relationship and should be excluded from canonical Prince caliber listings, per Oren Hartov's [https://www.analogshift.com/blogs/transmissions/a-brief-history-of-the-doctor-s-watch Analog/Shift Doctor's Watch piece].
* '''Cal. 350''' — 15 jewels (some examples 18 jewels). Documented on multiple 1490 examples at Phillips and Monaco Legend.
* '''Cal. 7¾′′′ T.S. 300''' — Très Soigné, 18 jewels, lateral lever escapement, monometallic balance with micrometer regulator, Breguet overcoil hairspring, rhodium-plated, adjusted in 6 positions, produced 1932–1938. The Ultra Prima movement variant.

Movement grading is a separate axis from caliber number. Aegler / Rolex used a tiered finishing hierarchy on the Prince calibers — '''Prima''', '''Extra Prima''', '''Ultra Prima''' — corresponding broadly to ascending levels of regulation, hand-finishing, and chronometer testing. The "Chronometer" or "Observatory" dial designation corresponds to Extra Prima or Ultra Prima grading; a Prima-grade movement does not earn the dial mark.

The Kew-Teddington observatory testing tradition runs through the Prince era. Rolex submitted Prince movements to the National Physical Laboratory at Kew for independent rate certificates against the Swiss Bureaux Officiels Suisse de Contrôle. The Kew protocol was a 45-day test against the Swiss bureau's 15 days; James Dowling has cited Rolex pass rates of 136 out of 145 Class A submissions in the 1940s and 1950s. The 1914 Class A Kew certificate that Rolex commonly cites as their first official chronometer rating was issued for an earlier ladies' wristwatch movement; the Prince calibers extend the observatory-testing lineage from 1928 forward, but the 1914 milestone predates the Prince family.

== Reference guides ==

Cross-family material that applies across multiple Prince references:

* [[Reference:Movements|Movements]] — the Aegler shaped-movement family (Cal. 300, Cal. 350, Cal. 7¾′′′ T.S. 300) and the Prima / Extra Prima / Ultra Prima grading tiers.
* [[Reference:Serial-numbers|Serial numbers]] — Rolex serial conventions across the Prince era, including Glasgow and London assay date letters that often pin a 9K example to a single year.

== Related families ==

* [[Reference:bubbleback|Bubbleback]] — the parallel Oyster line. The same 1928–1948 window, same Aegler-supplier relationship, same Wilsdorf catalogue. Different case shape, different brief.
* [[Reference:air-king|Air-King]] — the post-war successor. The 1945 4925 / 4365 / 4499 originating Air-Kings open the line that effectively replaces the Prince in the catalogue.

[[Category:Prince]]
[[Category:Family]]

Reference:pre-daytona-chronographs

2026-06-29T01:24:35Z

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{{DISPLAYTITLE:Rolex pre-Daytona chronographs}}
{{#seo:
|title=Rolex Pre-Daytona Chronographs — 1937–1963 Guide | BezelBase
|description=The Rolex chronograph line before the 1963 Cosmograph Daytona launch. Antimagnetique 2508, Monoblocco 3525 and the WWII POW watches, the 4xxx tonneau Oysters, the 6034 anti-magnetic, and the 6234 / 6238 Pre-Daytona references that hand off to the 6239.
|keywords=Rolex chronograph, Pre-Daytona, Antimagnetique, Monoblocco, Barilotto, 2508, 3525, 3668, 3833, 4099, 4500, 4537, 4767, 5034, 6034, 6234, 6238, Valjoux 23, Valjoux 72, vintage Rolex
|image=Pre-daytona chronographs vintage poster.webp
|image_alt=Rolex pre-Daytona chronograph reference photograph
|type=Article
|og_type=article
|published_time=2026-04-30T03:24:59Z
|modified_time=2026-06-29T01:23:13Z
|robots=index,follow,max-image-preview:large
}}

== Rolex pre-Daytona chronographs ==

The Cosmograph Daytona name arrives in 1963 with the [[Reference:6239|6239]]. Rolex had been building chronographs for thirty years by then. This page covers the line that runs into the Daytona — from the late-1930s Antimagnetique chronographs through the Oyster chronograph references of the 1940s and 1950s, ending with the [[Reference:6238|6238]] Pre-Daytona that hands the layout to the 6239 with two cosmetic changes.

The thread that ties the line together is the chronograph movement, not the case. Every reference here runs a Valjoux base — Cal. 23 VZ in the Antimagnetique era, Cal. 72 in the late references — finished by Rolex and catalogued under a Rolex caliber number. The case work is what changed: from non-Oyster snap-back cases in the late 1930s, to the one-piece ''Monoblocco'' Oyster of the 3525, to the tonneau Oyster of the 4xxx series, to the screw-down-pusher 6034, and finally to the round 36mm Oyster that defined the Daytona.

[[File:Pre-daytona chronographs vintage poster.webp|thumb|center|400px|alt=Rolex pre-Daytona chronograph reference photograph|Rolex pre-Daytona chronograph featured in Phillips' "Rolex Milestones: 38 Legendary Watches That Shaped History" (Hong Kong 2016, lot 828).]]

== Antimagnetique era (late 1930s to mid-1940s) ==

The earliest Rolex chronographs sit in non-Oyster cases with snap-back construction. They carry the ''Antimagnetique'' designation on the dial, signalling a soft-iron inner case that shielded the movement from magnetic fields — the same protection later watches would carry under the Milgauss line. Two-register layout, Valjoux 23 VZ base, tachometer and telemeter scales, blued steel hands. This is also the era that produced the WWII POW-watch trade: Rolex shipped chronographs on credit to British and Allied officers held in German prisoner-of-war camps under Hans Wilsdorf's pay-after-the-war policy.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 2508 || c.1935–1939 || ~32mm round, snap-back, non-Oyster || Cal. 13 (Valjoux 23 base) || Pre-Oyster Antimagnetique chronograph; small steel and gold examples surface periodically at major-house auction
|-
| [[Reference:3525|3525]] || 1939–1945 || ~35mm Monoblocco Oyster, screw-down crown and pushers || Rolex Cal. 13 (Valjoux 23 VZ base) || First Oyster chronograph; one-piece upper case (''Monoblocco'' / ''Barilotto''); the WWII POW reference, with Corporal Clive James Nutting's Stalag Luft III watch sold at Antiquorum 2007 for £66,000
|-
| 3668 || c.1942–1946 || ~36mm Oyster, reeded gold bezel || Rolex Cal. 13 (Valjoux 23 VZ base) || Sister reference to the 3525 with a fluted gold bezel; produced in tiny numbers
|-
| 3833 || c.1942–1946 || Oyster || Cal. 13 (Valjoux 23 VZ base) || Less-documented sibling of the 3525; appears in the Pucci Papaleo and Mondani catalogues alongside the Monoblocco
|}

== Tonneau Oyster chronographs (late 1940s) ==

After the war, Rolex moved the Oyster chronograph from the round Monoblocco case to a tonneau-shaped Oyster with conventional three-piece construction. The 4xxx and 5034 references all run the Valjoux 23 base but in a softer, more ergonomic case shape. Production was small across all of them; the 4500 is the most regularly catalogued example. None of these references reached the volume the 3525 had managed, and the period documentation is thinner than for the references on either side.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 4099 || c.1946–1948 || Tonneau Oyster, ~35mm || Cal. 13 (Valjoux 23 base) || Earliest of the post-war tonneau Oyster chronographs; very small production
|-
| 4500 || c.1947–1950 || Tonneau Oyster, ~36mm || Cal. 13 (Valjoux 23 base) || Most regularly catalogued of the tonneau-case generation; appears in steel and yellow gold
|-
| 4537 || c.1947–1950 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Sibling reference; thin published record
|-
| 4767 || c.1948–1950 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Late tonneau-era reference; surfaces only occasionally at major-house auction
|-
| 5034 || c.1949–1952 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Last of the tonneau Oyster chronographs; bridges into the 6034 generation
|}

== Pre-Cosmograph round Oyster chronographs (1950–1968) ==

The case work returns to a round Oyster in the early 1950s, and the chronograph base shifts from Valjoux 23 to Valjoux 72. The 6034 is the technical pivot — first round-Oyster Rolex chronograph, screw-down pushers, anti-magnetic inner case — and the 6234 then runs that configuration through the bulk of the 1950s in steel volume. The 6238 is the immediate predecessor of the Cosmograph: same 36mm Oyster case, same Valjoux 72 base, same dial-printed tachymetre. The 6239 in 1963 took the layout, moved the tachymetre to the bezel, and added the Cosmograph signature.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 6034 || c.1950–1955 || 36mm round Oyster, anti-magnetic inner case, screw-down pushers || Valjoux 72 base (early variants Valjoux 23) || First round-Oyster Rolex chronograph; screw-down pushers carry forward to the 6240 in 1965
|-
| [[Reference:6234|6234]] || 1955–1961 || 36mm round Oyster, pump pushers || Cal. 72B (Valjoux 72 base) || ~500 watches per year through the run, retailing at roughly USD 200 in period; the immediate predecessor of the 6238
|-
| [[Reference:6238|6238]] || 1962–1968 (overlap with the 6239) || 36mm Oyster, smooth bezel, pump pushers || Cal. 72B then Cal. 722 (Valjoux 72 base) || Pre-Daytona / Pre-Cosmograph; ~3,965 produced (Dewitte) across steel, 14k, and 18k yellow gold; the layout the 6239 inherits
|}

== Triple-calendar parallels (not in the chronograph-only lineage) ==

Two related references are sometimes grouped with the pre-Daytona chronographs but sit on a different mechanical platform. Both are triple-calendar watches, and the 6236 carries a chronograph alongside the calendar work, but neither sits in the direct line that hands off to the Cosmograph Daytona.

The 6036 and 6236 carry the ''Jean-Claude Killy'' nickname, after the French Olympic skier who owned a 6236, and run the Valjoux 72C — the calendar variant of the Valjoux 72. The 6036 came first (c.1951–1957), then the 6236 (1958–1962). They are chronograph triple-calendar watches, technically demanding, and rare. Pucci Papaleo's ''I Cronografi Rolex – La Leggenda'' treats them as their own family rather than a step in the Daytona lineage.

The 8171 ''Padellone'' is a triple-calendar moonphase but is not a chronograph. It belongs in the pre-Daytona historical context only as a sibling complication.

== Movement and case lineage ==

{| class="wikitable" style="width:100%;"
|-
! Era !! Movement !! Case construction !! Pushers !! References
|-
| Pre-Oyster (mid-1930s) || Cal. 13 (Valjoux 23) || Snap-back, soft-iron Antimagnetique inner case || Pump || 2508
|-
| Monoblocco Oyster (1939–1946) || Rolex Cal. 13 (Valjoux 23 VZ) || One-piece upper case, screw-down caseback || Screw-down (Oyster) || 3525, 3668, 3833
|-
| Tonneau Oyster (late 1940s) || Cal. 13 (Valjoux 23) || Three-piece Oyster, tonneau silhouette || Pump on most || 4099, 4500, 4537, 4767, 5034
|-
| Round Oyster, Valjoux 72 (1950–1968) || Cal. 72B / 722 (Valjoux 72 base) || 36mm round Oyster, anti-magnetic inner case || Screw-down on 6034; pump on 6234 / 6238 || 6034, 6234, 6238
|}

The Cal. 72B → Cal. 722 transition runs through the [[Reference:6238|6238]] itself. First-series 6238 production carried the unstamped Cal. 72B held over from the late 6234; the second-series redesign brought the Rolex-stamped Cal. 722 that then powered the 6239 and 6241. Russell Sheldrake documents the transition in his ''Is the Rolex Pre-Daytona a Forgotten Classic?'' for A Collected Man.

The frequency stays at 18,000 vph (2.5 Hz), 17 jewels, no hack and no quickset, all the way through to Cal. 727 in 1970 — two references downstream of where this page ends.

== Why the line matters ==

Every technical move that defines the Daytona was solved on a pre-Daytona reference. The 3525 made the chronograph waterproof. The 4xxx-generation references softened the case shape. The 6034 brought screw-down pushers. The 6234 carried the line through the 1950s in steel volume. The 6238 fixed the 36mm round Oyster, the pump pushers, the dial-printed tachymetre, and the Valjoux 72 movement that the 6239 then inherited. Aurel Bacs, in Russell Sheldrake's A Collected Man interview, described the 6238 as "almost a sibling of the Daytona, not a Pre-Daytona": the production windows of the 6238 and 6239 overlap by roughly four years, and the gap between them is two cosmetic changes rather than a clean break.

The market sorts the line accordingly. The 3525 trades on its WWII history and the Monoblocco case, with POW-provenance examples reaching the £60,000–100,000 band at Antiquorum and Sotheby's. The 4xxx tonneau references trade on rarity and case design rather than provenance; documented examples surface only occasionally at major-house sales. The 6034 trades on its position as the first round-Oyster Rolex chronograph. The 6234 and 6238 trade on Daytona-adjacency, with clean steel examples consistently above the rest of the pre-Cosmograph line.

== Related family pages ==

* [[Reference:daytona|Daytona]] — the Cosmograph line that begins where this page ends, from the 1963 [[Reference:6239|6239]] through the in-house cal 4130 generation.
* [[Reference:Movements|Movements]] — the Valjoux 23 family, the Valjoux 72 progression (Cal. 72B / 722 / 727), and the eventual move to Zenith and in-house calibers.
* [[Reference:Bracelets|Bracelets]] — the early rivet bracelets (6635, 7205) and end links fitted to the chronograph case across the line.

== Sources ==

* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Is the Rolex Pre-Daytona a Forgotten Classic?] — Russell Sheldrake, A Collected Man (2020). Most thorough English-language Pre-Daytona survey, built on first-hand interviews with Aurel Bacs, Edmond Saran, and Teddy Dewitte.
* [https://www.acollectedman.com/blogs/journal/interview-aurel-bacs Interview: Aurel Bacs] — A Collected Man (October 2017). Bacs's framing of the 6238 as a Daytona sibling rather than a clean predecessor.
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona, The Emblematic Racing Chronograph] — Erik Slaven, Monochrome (December 2024). Family-level long-form covering the Pre-Daytona handoff.
* [https://le-monde-edmond.com/in-depth-review-rolex-6238-pre-daytona/ In-Depth Review: Rolex 6238 Pre-Daytona] — Edmond Saran, Le Monde Edmond (June 2016). First major scholarly examination of the 6238; cataloged 14 distinct dial / case iterations.
* ''I Cronografi Rolex – La Leggenda'' — Pucci Papaleo. Italian-language reference catalogue covering the full chronograph line including the Antimagnetique era and the Jean-Claude Killy 6036 / 6236.
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra. Comprehensive vintage Rolex reference covering 1442 references, including the pre-Daytona chronograph line.
* [https://catalog.antiquorum.swiss/ Antiquorum — Rolex 3525 Nutting POW lot] (2007). Corporal Clive James Nutting Stalag Luft III watch with full archive, sold £66,000.
* [https://www.sothebys.com/en/ Sotheby's — 3525 Monoblocco lot] (2019). Glossy black gilt steel example, case 186,144, c.1942.
* [https://www.sothebys.com/en/ Sotheby's — 3525 Monoblocco lot] (2020). Silvered dial steel example, case 372,822, c.1945.
* [https://catalog.antiquorum.swiss/ Antiquorum — 3525 Mondani Collection lot] (2006). 18K pink gold case 147,854, illustrated in Mondani.
* [https://catalog.antiquorum.swiss/ Antiquorum — 3525 Brownlee POW lot] (2023). USAAF 1st Lt Leon W. Brownlee, Stalag 7A Moosburg.
* [https://www.phillips.com/auctions/watches Phillips — 3525 Dickins POW lot]. RAF Wing Commander Douglas S. Dickins.
* [https://www.phillips.com/auctions/watches Phillips — 3666 Valjoux chronograph lot]. Sister reference to the 3525 with reeded gold bezel.
* [https://alpha-hands.com/ Alpha Hands — 3525 case-number research]. Project recording case-number bands across the 1939–1945 production window.
* [https://www.windvintage.com/ Wind Vintage — 3525 POW research].

[[Category:Chronograph]]
[[Category:Daytona]]
[[Category:Family Index]]

Reference:paul-newman-daytona

2026-06-29T01:24:33Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex paul-newman-daytona}}
{{#seo:
|title=Rolex 'Paul Newman' Daytona — Exotic Dial Buyer's Guide | BezelBase
|description=Everything about the Rolex Paul Newman Daytona — the exotic dial's Mk1 through Mk4 progression, the five color types, RCO Oyster Sotto, JPS, Lemon, and the six host references (6239, 6241, 6262, 6263, 6264, 6265). Newman's own 6239 sold for USD 17.75M at Phillips in 2017; his Big Red 6263 sold for USD 5.48M at Phillips in 2020.
|keywords=Paul Newman Daytona, Paul Newman Rolex, exotic dial, Singer dial, MK1 Paul Newman, Big Eyes, RCO, Oyster Sotto, JPS Daytona, Lemon dial, 6239, 6241, 6263, 6265, Winning Icons
|image=Paul Newman wearing 6239.webp
|image_alt=Paul Newman wearing his 6239 Cosmograph Daytona
|type=Article
|og_type=article
|published_time=2026-04-19T14:02:30Z
|modified_time=2026-06-29T01:23:10Z
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[[Reference:daytona|Daytona]] -> '''Paul Newman Daytona'''

= Paul Newman Daytona =

The Paul Newman Daytona is the best-known exotic dial in vintage Rolex. The name describes a dial — a Singer-made Cosmograph layout with block markers, sub-dial cross-hairs, and 15/30/45 numerals instead of the standard 20/40/60 — fitted to six manual-wind Daytona references between 1963 and 1988. The dial was unpopular when new and sat on dealers' shelves for years. A half-century later Paul Newman's own watches fixed the type at the top of the vintage Rolex market.

This page covers the dial across all six host references. The host references each have their own article, linked in the table below.

[[File:Paul Newman wearing 6239.webp|thumb|right|250px|alt=Paul Newman wearing his 6239 Cosmograph Daytona|Paul Newman wearing his 6239 Cosmograph Daytona]]

== What defines a Paul Newman dial ==

A Paul Newman dial is defined by four things: block markers, cross-hairs in each sub-dial, 15/30/45 numerals on the 30-minute register, and a contrasting outer chapter ring. The 15/30/45 register is the fastest authentication tell.

Paul Newman dials are made by Singer, the Geneva dial supplier behind the majority of period Cosmograph dials. The Singer stamp on the dial back reads "Singer" in period-correct typography, and the stamp style shifts across the Mk1 to Mk4 progression. The stamp alone is not diagnostic — Singer also supplied the standard Cosmograph dial of the same era — but the stamp style is routinely cross-checked against the Mk-mark the dial purports to be.

The printed text matches the standard dial of the period: "ROLEX COSMOGRAPH" at 12 o'clock in the early years, "DAYTONA" added above the 6 o'clock sub-register from 1964 onward, unit-per-hour bezel graduation, "T SWISS T" or "T SWISS T<25" at the dial base for tritium lume, and the reference number printed between the lugs on the 6263 / 6265 era.

== Mark 1 through Mark 4 progression ==

Rolex never documented a Paul Newman Mk progression. The typology is collector consensus, first formalised by Italian dealer Stefano Mazzariol in the 1990s and later carried into English-language editorial by Ross Povey at Revolution, Benjamin Clymer and Paul Boutros at Hodinkee, and the Phillips catalogue text across Daytona Ultimatum (2018) and James Marks's Made for Racing essay. The four-mark scaffold below is the commonly-cited progression; transition dates between marks are approximate and overlap heavily across host references.

{| class="wikitable"
|-
! Mark !! Period !! Distinguishing features !! Notes
|-
| MK1 || 1963–1967 || Gilt-printed text on early 6239 versions; square block markers with no outline; "Daytona" not yet added to dial; 300 unit-per-hour bezel; "T SWISS T" at dial base || The foundation Paul Newman. The earliest 6239 examples are the "Double Swiss Underline" variants documented by Benjamin Clymer at Hodinkee in 2013: a line under "SWISS" at the dial base with a second "SWISS" printed just above, from the brief period when radium-era markings were transitioning out
|-
| MK2 || 1966–1969 || "Daytona" script added in red above the 6 o'clock sub-register; block markers with subtle outline; 200 or 300 unit-per-hour bezel depending on late transition; cross-hairs retained || Dominates the 6241 / 6262 / 6264 era production. Tri-colour variants in panda and reverse-panda formats are most populous here
|-
| MK3 (Big Eyes) || 1969–1972 || Sub-dial outer rings proportionally larger than MK1/MK2; "Daytona" red script retained; block markers squared-off with clear outline; T<25 markings || Named for the visually larger sub-dials. "Big Eyes" is not a separate variant but a sub-mark of the MK3 generation
|-
| MK4 || 1972–1988 || Block markers narrower than MK3; sub-dial rings recalibrated; Sigma dials (gold indices flanked by σσ either side of SWISS) fall inside this mark; tritium lume with "T<25" || Runs through the 6263 / 6265 final production. Sigma-dial Paul Newman examples are the late-production sub-branch
|}

Sub-mark labels (MK1.5, MK1.75 and finer) surface in the deeper collector literature; Jose Pereztroika of Perezcope works at MK1.75 granularity in his forensic analysis of the Phillips "Neanderthal" 6240. The four-mark scaffold above remains the consensus framing in most auction catalogues and editorial treatments.

== The five colour types ==

Beyond the Mk progression, Paul Newman dials classify into five colour types based on dial and sub-dial colour combinations. Each colour type appears across multiple Mk generations.

{| class="wikitable"
|-
! Colour type !! Dial base !! Sub-dials !! Common host refs !! Notes
|-
| Tri-colour standard || Silver || Black with white rings || 6239, 6241 || The most common Paul Newman layout; white outer chapter ring
|-
| Tri-colour reverse || Black || Silver with black rings || 6239, 6241 || Black outer chapter ring; sometimes called "reverse panda PN"
|-
| Panda || White || Black with white rings || 6239, 6263 || Similar to tri-colour standard without the outer chapter-ring contrast
|-
| Reverse panda || Black || White with black rings || 6239, 6263 || Black dial with three stark white sub-dials
|-
| Lemon || Yellow lacquer || Black or dark || Gold-case 6263, 6265 || Yellow-lacquer full-dial finish fitted to rare gold 6263 and 6265 cases. Bob Ridley's 2017 bench dissection in Revolution records that the gold-case Paul Newman is always the Lemon variant; the rare RCO exception is documented on a small number of late-era gold 6263 / 6265 examples
|}

The colour-type label is cross-referenced against the Mk-mark label in most auction catalogues. "MK2 panda Paul Newman on 6241" uniquely identifies a dial by generation, colour scheme, and host case.

== RCO — Rolex Cosmograph Oyster / Oyster Sotto ==

RCO (Rolex Cosmograph Oyster), also called Oyster Sotto, is the rarest standard-production Paul Newman layout. The tell is simple: "ROLEX COSMOGRAPH OYSTER" instead of the standard text order. Documented examples sit only on 6263 and 6265 host watches.

The Oyster Sotto Paul Newman 6263 took the headline at Christie's "Lesson One: The Legendary Rolex Daytona" (Geneva, 10 November 2013) and again at Phillips Daytona Ultimatum (Geneva, 12 May 2018), and has consistently traded as the second-most-expensive Paul Newman variant behind Newman's own examples. The RCO Mk1 is the earliest sub-generation, with a tighter text layout than later RCOs, and commands a further premium within the RCO category. RCO 6265s surface less frequently than RCO 6263s and are rarer still.

== JPS — John Player Special ==

JPS denotes a Paul Newman dial on a yellow gold case where the dial is black and the sub-dial surrounds and hour markers are gold-toned, echoing the black-and-gold livery of the John Player Special-sponsored Lotus Formula 1 team of the 1970s. Mario Andretti won the 1978 Drivers' Championship in the Lotus 79 wearing that livery. The JPS nickname is a collector invention applied retroactively; Rolex never used it.

The 6241 in 14k yellow gold is the main JPS host and the watch most collectors mean when they say JPS Daytona. Fewer than 400 were produced for the North American market. The same look also appears on some gold 6263s, though those are more often described under the Lemon branch.

== Six host references ==

Paul Newman dials appear on six manual-wind Cosmograph Daytona references. Each is documented in its own reference article.

{| class="wikitable"
|-
! Reference !! Production !! Paul Newman Mks !! Notes
|-
| [[Reference:6239|6239]] || 1963–1969 || MK1, MK2, MK3 || The first Cosmograph Daytona and the most populous Paul Newman host overall. Newman's own watch, with "Drive carefully me" engraved on the caseback (gifted by Joanne Woodward circa 1968), is a 6239 MK1 and holds the Rolex auction record
|-
| [[Reference:6241|6241]] || 1966–1969 || MK1, MK2 || Black acrylic bezel pump-pusher sibling of the 6239. The 14k yellow gold JPS 6241 is the most populous Paul Newman gold variant
|-
| [[Reference:6262|6262]] || 1970–1972 || MK2, MK3 || Brief transitional metal-bezel pump-pusher reference. Paul Newman dials on the 6262 are less populous than on 6239 / 6263
|-
| [[Reference:6263|6263]] || 1969–1988 || MK2, MK3, MK4 || The longest-running Paul Newman host and the reference that carries the rare RCO / Oyster Sotto variant. Newman's own "Big Red" 6263, engraved "Drive slowly Dad", sold at Phillips New York for USD 5,475,000 in December 2020
|-
| [[Reference:6264|6264]] || 1970–1972 || MK2, MK3 || Acrylic black bezel sibling of the 6262. Paul Newman dials on the 6264 are among the rarest Newman host combinations
|-
| [[Reference:6265|6265]] || 1971–1988 || MK2, MK3, MK4 || Engraved metal tachymetre bezel sibling of the 6263. Paul Newman 6265s are less populous than Paul Newman 6263s across every Mk generation
|}

== Landmark sales ==

Paul Newman dials have redrawn the vintage Rolex market three times in the 2010s and 2020s. The sales below are the records that shifted the category.

{| class="wikitable"
|-
! Date !! Watch !! Sale !! Price (USD incl. premium) !! Significance
|-
| 26 October 2017 || Paul Newman's own 6239 MK1 || Phillips "Winning Icons", New York || 17,752,500 || The highest price paid for any Rolex at public auction at that time. Caseback engraved "Drive carefully me", gifted by Joanne Woodward to Paul Newman circa 1968
|-
| 10 November 2013 || Oyster Sotto 6263 || Christie's "Lesson One: The Legendary Rolex Daytona", Geneva || ~1,089,000 || First Paul Newman to breach the seven-figure USD mark at auction. The RCO / Oyster Sotto layout documented as a confirmed factory variant
|-
| 12 May 2018 || Various Paul Newman lots including Oyster Sotto 6263, Neanderthal 6240, RCO 6265 || Phillips "Daytona Ultimatum", Geneva || Multiple seven-figure results || A 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum. Reset the market ceiling across the Paul Newman category. The Oyster Sotto 6263 hammered at CHF 1,662,500 (USD ~1.66M)
|-
| 12 December 2020 || Paul Newman's own "Big Red" 6263 || Phillips, New York || 5,475,000 || The second Newman-owned Paul Newman to surface at auction. Caseback engraved "Drive slowly Dad" from Newman's daughter Nell; that engraving is the authentication pivot
|-
| 2017–present || Reference auction lots || Phillips, Sotheby's, Christie's || Standard panda PN 6239: USD 150K–500K range; RCO 6263: USD 500K–1M+ range || The standard Paul Newman has appreciated from pre-2013 five-figure prices into six-figure territory across the 2017–2020 reset. The RCO sub-branch trades at roughly 3–5x the standard Paul Newman of the same mark
|}

== Authentication ==

Paul Newman authentication is the densest forensic category in vintage Rolex. The canonical English-language treatments are the Phillips Made for Racing essay by James Marks (2018) and the Hodinkee Reference Points piece by Benjamin Clymer (2013). Jose Pereztroika's Perezcope dossiers on the Neanderthal 6240, the Albino 6263, and the Unicorn 6265 cover disputed authenticity cases in adjacent categories, and the failure modes they document apply to Paul Newman authentication as well.

Authentication starts at the dial back and the print. The Singer stamp style has to match the mark period it claims, the sub-dial crosshairs and 15/30/45 numerals have to be original printing rather than later additions, and the case serial range has to line up with the dial generation. The catch is that service-replacement Paul Newman dials exist as factory product, so a correct service dial reads identically to an original-delivery dial under the loupe; provenance documentation does the rest of the work.

== Disputed examples ==

The Paul Newman category carries several examples whose authenticity or provenance is disputed in the published literature. The full treatment of each sits in the host reference article.

The "Neanderthal" 6240 was the headline lot at Phillips Daytona Ultimatum (2018), presented by the auction house as the earliest documented Paul Newman prototype. Jose Pereztroika's 2022 forensic dossier at Perezcope argues the dial is a late-1990s construction from a 6238 donor dial, using period evidence from the April 1998 issue of ''Orologi & Market''. Both positions stay on record. See [[Reference:6240]].

The "Albino" 6263 has three known examples. Hodinkee's 2013 coverage treated the variant as factory Rolex; Perezcope's December 2025 dossier argues it is a Tom Bolt construction of 1990s origin. Sotheby's Abu Dhabi sold a third Albino in December 2025 with "origins unknown" catalogue language. See [[Reference:6263]].

Lemon dial attribution on gold Paul Newmans is the third open question. Bob Ridley's 2017 Revolution bench dissection records that gold-case Paul Newman Daytonas (6263 / 6265) are always the Lemon variant, while some auction catalogues continue to list gold-case PNs under other colour-type labels. Whether "Lemon" is Rolex's own factory designation or a collector-settled retroactive label has not been resolved in the published literature.

== Gallery ==

<gallery widths="200" heights="200">
File:Ref 6239 Newman watch.webp|Newman's own 6239 — the exotic dial that named the type. (Phillips)
File:Paul Newman dial steel panda 6263.webp|Archetypal steel exotic dial: silver base, black registers, 15/30/45 sub-dial. (Phillips)
File:Paul Newman dial Oyster Sotto 6263.webp|RCO "Oyster Sotto" — the rarest steel Paul Newman. (Phillips)
File:Paul Newman dial JPS gold 6241.webp|"John Player Special" — black-and-gold exotic dial in gold. (Phillips)
File:Paul Newman dial Lemon gold 6263.webp|Gold-case exotic dial, "The Legend". (Phillips)
</gallery>

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made For Racing: Rolex and the Daytona] — James Marks, Phillips
* [https://www.phillips.com/auctions/auction/CH080318 Phillips — Daytona Ultimatum (Geneva, 12 May 2018)] — Pucci Papaleo (curator); Aurel Bacs (auctioneer), Phillips in Association with Bacs & Russo
* [https://www.phillips.com/article/163220169/rolex-daytona-golden-pagoda-paul-newman-6239-phillips-decade-one The Golden Pagoda: An Incredible Rolex Daytona Paul Newman Ref. 6239] — Logan Baker, Phillips
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona, Explained (Or, What Is A Double-Swiss Underline Daytona?)] — Benjamin Clymer, Hodinkee
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-part-1-3 In-Depth: A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Past to Present (Part 1/3)] — Paul Boutros, Hodinkee
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-pt-23 In-Depth: A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Past to Present (Part 2/3)] — Paul Boutros, Hodinkee
* [https://revolutionwatch.com/rolex-john-player-special-paul-newman-daytona-ref-6241/ The Rolex "John Player Special" Paul Newman Daytona Ref. 6241] — Bob Ridley (Watchmakers International), Revolution Watch
* [https://revolutionwatch.com/a-movement-in-history-the-zenith-driven-rolex-daytona/ A Movement in History: The Zenith-driven Rolex Daytona] — Ross Povey, Revolution Watch
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona, The Emblematic Racing Chronograph] — Erik Slaven, Monochrome
* [https://watchesbysjx.com/2020/12/paul-newman-rolex-daytona-6263-big-red-auction.html Breaking News: Paul Newman's Rolex Daytona 6263 "Big Red" Sells for US$5.48m] — JX Su, SJX Watches
* [https://watchesbysjx.com/2013/11/spectacular-results-at-christies-rolex-daytona-lesson-one-auction-in-geneva-including-a-million-dollar-paul-newman.html Spectacular Results at Christie's Rolex Daytona "Lesson One" Auction in Geneva] — JX Su, SJX Watches
* [https://watchesbysjx.com/2018/05/penultimate-picks-from-daytona-ultimatum-at-phillips.html Penultimate Picks from Daytona Ultimatum at Phillips] — JX Su, SJX Watches
* [https://perezcope.com/2022/11/03/rolex-daytona-6240-paul-newman-neanderthal-a-myth-goes-extinct/ Rolex Daytona 6240 Paul Newman "Neanderthal" — A Myth Goes Extinct] — Jose Pereztroika, Perezcope
* [https://perezcope.com/2025/12/03/not-quite-whiter-than-white-the-reality-of-the-rare-rolex-albino-daytona-ref-6263/ Not Quite Whiter Than White: The Reality of the Rare Rolex 'Albino' Daytona Ref. 6263] — Jose Pereztroika, Perezcope
* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Is the Rolex Pre-Daytona a Forgotten Classic?] — Russell Sheldrake, A Collected Man
* [https://www.acollectedman.com/blogs/journal/interview-aurel-bacs Interview: Aurel Bacs] — A Collected Man
* [https://www.sothebys.com/en/articles/vintage-rolex-daytona-the-gold-standard Vintage Rolex Daytona: The Gold Standard] — Karyn Orrico, Sotheby's
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Daytona]]
[[Category:Paul Newman]]
[[Category:Family]]

Reference:oyster-sotto-daytona

2026-06-29T01:24:30Z

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{{DISPLAYTITLE:Rolex oyster-sotto-daytona}}
{{#seo:
|title=Rolex oyster-sotto-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Oyster Sotto (RCO — Rolex Cosmograph Oyster) Paul Newman Daytona is the rarest standard-production Paul Newman dial. The 12 o'clock text stack reads ROLEX COSMOGRAPH OYSTER, with OYSTER printed below Cosmograph rather than above. Documented only on 6263 and 6265. The Oyster Sotto 6263 hammered at CHF 1,662,500 at Phillips Daytona Ultimatum 2018; an earlier Oyster Sotto sold at Christie's Lesson One, Geneva, in November 2013.
|keywords=Oyster Sotto, RCO, Rolex Cosmograph Oyster, Paul Newman 6263, Oyster Sotto 6263, RCO 6263, RCO 6265, Christie's Lesson One, Phillips Daytona Ultimatum 2018
|image=Ref 6263 rco-hero.webp
|image_alt=Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph
|type=Article
|og_type=article
|published_time=2026-04-19T15:01:32Z
|modified_time=2026-06-29T01:23:08Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:paul-newman-daytona|Paul Newman Daytona]] → '''Oyster Sotto / RCO'''

= Oyster Sotto / RCO (Rolex Cosmograph Oyster) =

The Oyster Sotto, also known as the RCO (Rolex Cosmograph Oyster), is the rarest standard-production Paul Newman dial. The defining tell is the 12 o'clock text stack: "ROLEX COSMOGRAPH OYSTER" instead of the standard order, with OYSTER printed below Cosmograph. Documented examples sit only on the screw-pusher [[Reference:6263|6263]] and [[Reference:6265|6265]].

The two canonical sales are Christie's Lesson One in 2013, the first Paul Newman to clear seven figures, and Phillips Daytona Ultimatum in 2018, where an Oyster Sotto 6263 sold for CHF 1,662,500 including premium.

[[File:Ref 6263 rco-hero.webp|thumb|right|250px|alt=Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph|Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph]]

== What the Oyster Sotto is ==

The Oyster Sotto has three fast tells.

* The 12 o'clock text order is reversed.
* The rest of the dial is standard Paul Newman territory.
* Documented examples sit only on [[Reference:6263|6263]] and [[Reference:6265|6265]].

== Why the text layout exists ==

Rolex never explained the Oyster Sotto text layout. The standard collector reading is simple: Singer printed a small batch with the OYSTER line in the wrong place, Rolex let them through, and the dials ended up on a small number of 6263 and 6265 watches. The rarity fits that kind of one-batch mistake.

An alternative reading is that the Oyster Sotto represents an early production experiment in text layout that Rolex standardised away from. The scarcity is the same either way; the sub-branch occupies a narrow production window within the broader Paul Newman Mk2-Mk4 era.

== Mk1 Oyster Sotto — earliest sub-variant ==

There is also a rarer early subgroup. The so-called RCO Mk1 has tighter text spacing and proportions closer to early Paul Newman production. It carries another premium inside an already rare category.

The Mk1 RCO is the rarest standard-production Paul Newman configuration documented. Surviving examples at auction are the driver of the category's top-tier pricing; a standard Oyster Sotto Mk2 or Mk3 trades below the Mk1 RCO rate by a meaningful margin.

=== A documented Mk1 RCO example ===

A well-documented Mk1 RCO 6263 surfaced at Kaplan's in Sweden in 2014 from the original owner's family. It kept its Mk1 acrylic bezel, rare Mk0 screw-down pushers, and 7835 Swiss-made Oyster bracelet on 271 end links. The watch later passed through Wind Vintage, giving it one of the cleanest published provenance chains in the branch.

== Christie's Lesson One (Geneva, 10 November 2013) ==

Christie's "Lesson One: The Legendary Rolex Daytona" in Geneva on 10 November 2013 was the first thematic auction dedicated to the Daytona line. The sale established the Oyster Sotto as a canonical factory variant for auction-market purposes and marked the first Paul Newman to cross the seven-figure USD threshold at public auction.

The Oyster Sotto 6263 sold for about USD 1.089M including premium. That was the signal. The market was no longer pricing it as just another Paul Newman 6263, but as a scarcer tier inside the category.

== Phillips Daytona Ultimatum (Geneva, 12 May 2018) ==

Phillips Daytona Ultimatum, the 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum, catalogued an Oyster Sotto 6263 as Lot 14. The lot hammered at CHF 1,400,000 with buyer's premium bringing the all-in price to CHF 1,662,500 — about USD 1.66M at prevailing exchange.

The 2018 result confirmed the category's market position five years after Christie's Lesson One established the initial pricing tier. The Oyster Sotto 6263 sat in the seven-figure range across both sales, with the Phillips 2018 result landing between the Unicorn 6265 (CHF 5.94M) and the Neanderthal 6240 (CHF 3.01M) as the third-highest-priced lot of the sale.

{| class="wikitable"
|-
! Sale !! Date !! Watch !! Price (all-in)
|-
| Christie's Lesson One, Geneva || 10 November 2013 || Oyster Sotto 6263 || ~USD 1.089M
|-
| Phillips Daytona Ultimatum, Geneva || 12 May 2018 || Oyster Sotto 6263 (Lot 14) || CHF 1,662,500 (~USD 1.66M)
|}

== RCO on 6265 ==

Oyster Sotto dials are documented on [[Reference:6265|6265]] as well as 6263, but 6265 examples are rarer. In casual collector use, "Oyster Sotto" usually means the 6263 unless someone says otherwise.

== Relation to Paul Newman Mk progression ==

The Oyster Sotto sits inside the normal Paul Newman Mk progression rather than outside it. Most examples fall into the Mk2 and Mk3 years. The rarest subgroup is the early Mk1 Oyster Sotto with the tighter text layout.

== Distinguishing from the Albino and other rare dials ==

The Oyster Sotto is adjacent to but distinct from several other rare 6263/6265 dial categories:

- '''[[Reference:albino-daytona|Albino]]''' — white-on-white, not a Paul Newman.
- '''JPS''' — gold-case Paul Newman, defined by material and color.
- '''Lemon''' — yellow-lacquer gold-case dial.
- '''Big Red''' — standard red-DAYTONA 6263, not a Paul Newman.

The Oyster Sotto is the only one of these sub-categories defined purely by text-stack layout rather than by color or host material.

== Host references ==

Documented Oyster Sotto dials sit only on [[Reference:6263|6263]] and [[Reference:6265|6265]]. They do not appear on the earlier pump-pusher references, and they do not exist in the automatic Daytona era because Paul Newman dials stop before that generation.

== Where to go next ==

- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the parent exotic-dial category
- [[Reference:6263|Reference 6263]] — main host reference
- [[Reference:6265|Reference 6265]] — secondary host reference
- [[Reference:albino-daytona|Albino Daytona]] — parallel disputed variant
- [[Reference:daytona-glossary|Daytona glossary]] — quick definitions

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* Phillips Geneva, Daytona Ultimatum, Lot 14 catalogue essay, 12 May 2018
* Christie's Geneva, "Lesson One: The Legendary Rolex Daytona" sale, 10 November 2013
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona] — Benjamin Clymer, Hodinkee, 2013
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona] — Erik Slaven, Monochrome, 2024
* [https://www.windvintage.com/rolex-paul-newman-daytona-rco-6263 Rolex "Paul Newman" "RCO" Daytona reference 6263] — Wind Vintage listing with provenance for the 2.085M Mk1 RCO
* [https://www.hodinkee.com/articles/whats-selling-where-the-best-rolex-available-this-month-and-other-highlights-from-kaplans-of-sweden What's Selling Where: Kaplan's of Sweden] — Eric Wind, Hodinkee, 2014
* [https://www.hodinkee.com/articles/bring-a-loupe-vintage-watches-august-28-2020 Bring A Loupe: Vintage Watches] — Hodinkee, 28 August 2020
* [https://robbreport.com/style/watch-collector/rare-rolex-paul-newman-daytona-oyster-sotto-for-sale-at-wind-vintage-2945914/ Rare Rolex Paul Newman Daytona Oyster Sotto for sale at Wind Vintage] — Robb Report, 2020

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]

Reference:neanderthal-daytona

2026-06-29T01:24:27Z

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{{DISPLAYTITLE:Rolex neanderthal-daytona}}
{{#seo:
|title=Rolex neanderthal-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Neanderthal Rolex Cosmograph Daytona 6240 — the Phillips Daytona Ultimatum 2018 lot presented as the earliest Paul Newman prototype, sold for CHF 3,012,500. Perezcope's 2022 forensic dossier disputes the prototype framing using contemporaneous evidence from the April 1998 Orologi & Market magazine, arguing the dial is a late-1990s construction on a 6238 donor. Both positions remain on record.
|keywords=Neanderthal Daytona, Neanderthal 6240, Rolex Neanderthal, Phillips Daytona Ultimatum, Perezcope Neanderthal, Paul Newman prototype, 6240 disputed, Orologi Market 1998
|image=Ref 6240 hero.webp
|image_alt=The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018
|type=Article
|og_type=article
|published_time=2026-04-19T15:01:32Z
|modified_time=2026-06-29T01:23:05Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:6240|6240]] → '''Neanderthal'''

= The Neanderthal (Daytona 6240) =

The Neanderthal is a Paul Newman-configuration [[Reference:6240|6240]] that Phillips sold in 2018 for CHF 3,012,500 including premium as the earliest known Paul Newman prototype. The nickname points to the dial's crude, proto-Paul-Newman look. Perezcope's 2022 dossier disputes the prototype story and argues for a later construction using a [[Reference:6238|6238]] donor dial. Both readings remain on the public record.

[[File:Ref 6240 hero.webp|thumb|right|250px|alt=The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018|The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018]]

== What the Neanderthal is ==

The Neanderthal, as it appeared at Phillips, had five identifying features that distinguished it from the documented Paul Newman Mk1-Mk4 progression:

The Neanderthal has five practical tells.

* Mk1.75 typeface sitting between the known Mk1 and Mk2 Paul Newman forms.
* A 6240 host case with screw-down pushers.
* Block markers without the outline seen on Mk2 dials.
* Sub-dial geometry that Perezcope reads as closer to 6238 than 6239 production.
* A pre-1970 case serial.

== The Phillips sale (12 May 2018) ==

Phillips sold the Neanderthal as Lot 32 at Daytona Ultimatum and framed it as the earliest known Paul Newman prototype: a dial from before the documented Mk1 run, with typography and proportions Rolex later abandoned.

{| class="wikitable"
|-
! Detail !! Value
|-
| Reference || 6240, stainless steel
|-
| Sale || Phillips Daytona Ultimatum, Geneva
|-
| Date || 12 May 2018
|-
| Lot number || 32
|-
| Price (all-in) || CHF 3,012,500
|-
| Position on Rolex auction list at sale date || 4th all-time
|-
| Framing || Earliest known Paul Newman prototype
|}

The sale placed the Neanderthal at the fourth position on the all-time Rolex auction list at the time, behind Newman's own 6239 (USD 17.52M at Phillips Winning Icons, 2017), the Unicorn 6265 (CHF 5.94M at the same Ultimatum sale), and the Bao Dai 6062 (USD 5.06M).

== The Perezcope dispute (November 2022) ==

Jose Pereztroika's November 2022 dossier — "Rolex Daytona 6240 Paul Newman Neanderthal: A myth goes extinct" — disputes the prototype framing. The dossier's central evidence falls into four categories:

=== ''Orologi & Market'' April 1998 ===

The April 1998 issue of ''Orologi & Market'' is the core of Perezcope's case. It appears to show the same dial in a construction context decades before Phillips presented it as a 1960s prototype. If that reading is right, the prototype story collapses.

=== Mk1.75 typeface analysis ===

Perezcope's typeface argument is simple: the printing does not look like a missing pre-Mk1 step, it looks like a later attempt to imagine one. Font weight, spacing, and stroke endings all read wrong against period Singer dials.

=== Sub-dial geometry from 6238 donor ===

Perezcope's geometry argument is that the dial reads more like a [[Reference:6238|6238]] donor than a true 6239-era Paul Newman dial. On that reading, the Neanderthal is a reworked 6238 dial, not a lost prototype.

=== Singer stamp comparison ===

The Singer dial-maker stamp on the Neanderthal's dial back, compared against authenticated Singer stamps across the Mk1–Mk4 progression, reads as mismatched to any production window. The stamp style does not fit the 1965–1969 6240 production range or any adjacent Singer production batch.

== Phillips's position and the Neanderthal's case ==

Phillips did not claim an archive-backed Rolex prototype. The house argued from the dial itself: if it did not fit Mk1 production, it might belong to a pre-Mk1 phase. That is the exact reading Perezcope rejects.

The case itself — the 6240 stainless-steel case with screw-down pushers, acrylic crystal, and acrylic bezel insert — is not disputed. The 6240 production years (1965–1969) are period-correct for a pre-Mk1 Paul Newman framing, and the case authentication passes through the standard 6240 verification checkpoints. The dispute is dial-specific, not case-specific or movement-specific.

== Why the dispute matters ==

The disagreement matters because the two readings imply completely different objects. If Phillips was right, the watch rewrites early Paul Newman chronology. If Perezcope was right, the market paid prototype money for a later construction.

Both positions stay on the record per BezelBase's never-pick-one-truth rule. The market's read on the Perezcope dossier will emerge at the next public sale of the Neanderthal, should it surface — the lot has not been re-catalogued publicly since the 2018 sale.

== Relation to other disputed Daytona variants ==

The Neanderthal sits in a cluster of high-value disputed-authenticity Daytona variants, each with Perezcope as the second voice raising forensic questions against an auction-house lot:

{| class="wikitable"
|-
! Variant !! Phillips framing !! Perezcope counter !! Status
|-
| [[Reference:albino-daytona|Albino 6263]] || Factory Rolex variant (Hodinkee 2013 consensus) || 1990s Tom Bolt construction (Perezcope 2025) || 3 examples sold; dispute unresolved
|-
| [[Reference:unicorn-daytona|Unicorn 6265]] || Only known white gold manual-wind Daytona with period-correct service replacements (Phillips 2018) || Frankenstein — components assembled post-2010 per 2010 Newoldschlock IG photos (Perezcope 2022) || Sold CHF 5.94M 2018; dispute unresolved
|-
| Neanderthal 6240 || Earliest Paul Newman prototype (Phillips 2018) || Late-1990s construction on 6238 donor per Orologi & Market April 1998 (Perezcope 2022) || Sold CHF 3.01M 2018; dispute unresolved
|}

The pattern is familiar. An auction house presents a watch with a rarity story, a forensic counter-dossier appears later, and no final authority closes the argument. The market then keeps trading the watch with that uncertainty attached.

== Host reference ==

The Neanderthal is documented as a single example on a single [[Reference:6240|6240]] case. No other 6240 Paul Newman examples are documented in the published literature — per Rolex's standard production record, Paul Newman dials on 6240 are extremely rare, and the Neanderthal is the sole cited example at auction.

== Where to go next ==

- [[Reference:6240|Reference 6240]] — host reference
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the disputed dial family context
- [[Reference:albino-daytona|Albino Daytona]] — parallel disputed variant
- [[Reference:unicorn-daytona|Unicorn Daytona]] — parallel disputed variant
- [[Reference:daytona-glossary|Daytona glossary]] — quick definitions

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* Phillips Geneva, Daytona Ultimatum, Lot 32 catalogue essay, 12 May 2018
* [https://perezcope.com/2022/11/03/rolex-daytona-6240-paul-newman-neanderthal-a-myth-goes-extinct/ Rolex Daytona 6240 Paul Newman Neanderthal: A myth goes extinct] — Jose Pereztroika, Perezcope, November 2022
* ''Orologi & Market'', Italian collector magazine, April 1998, page 44
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona] — Benjamin Clymer, Hodinkee, 2013
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona] — Erik Slaven, Monochrome, 2024

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]
[[Category:Disputed variant]]

Reference:milsub

2026-06-29T01:24:24Z

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{{DISPLAYTITLE:Reference:MilSub}}
{{#seo:
|title=Rolex MilSub — Military Submariner 5513 & 5517 Guide | BezelBase
|description=The MilSub is the British military Submariner: 5513 and 5517 cases configured to MoD spec c.1971-1979 with fixed bars, full 60-minute bezel, sword hands, T SWISS T dial, and broad-arrow caseback engraving. Three batches, two reference numbers, ~250 Batch-3 5517s with ~50 known.
|keywords=Rolex, MilSub, military Submariner, 5513, 5517, Royal Navy, SAS, SBS, broad arrow, sword hands, fixed bars, 0552, W10
|image=Milsub 5517 batch3-hero.webp
|image_alt=Rolex 5517 Military Submariner — Batch 3, case 5,339,705
|type=Article
|og_type=article
|published_time=2026-04-30T03:27:39Z
|modified_time=2026-06-29T01:23:02Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> '''MilSub'''

The MilSub is the British military Submariner: a Rolex Submariner 5513 or 5517 case configured to Ministry of Defence specification and issued, in batches between roughly 1971 and 1979, to Royal Navy divers (the 0552 / 923-7697 line) and to British Army units including the SAS and Army Air Corps (the W10 line). It is not a separate reference family. It is a configuration: fixed bars soldered into the lugs, a fully graduated 60-minute bezel, sword hands, a T SWISS T tritium dial, and the broad-arrow caseback engraving that identifies British Crown property.

The program splits cleanly across three batches and two reference numbers. Batch 1 carries 5513 between the 12-o'clock lugs, runs in the early 3.9M serial cluster, and ships from c.1971-1974. Batch 2 keeps the 5513 lug engraving but adds a 5517 stamp under one lug — the so-called 5513/5517 double-reference watches — and clusters in the 3.926M band with issue years dominated by 1977 and 1979. Batch 3 carries 5517 between the 12-o'clock lugs with no 5513 anywhere on the case, sits in the 5.339M cluster, and is the late, full-spec form of the program; Phillips estimates ~250 of these were produced and ~50 are recorded.

This page covers the MilSub branch as a whole. The per-reference articles [[Reference:5513|Reference:5513]] and [[Reference:5517|Reference:5517]] carry the standard production detail; this page does not duplicate them.

[[File:Milsub 5517 batch3-hero.webp|thumb|right|250px|alt=Rolex 5517 Military Submariner — Batch 3, case 5,339,705|Rolex 5517 "Full Spec" Military Submariner, Batch 3 (case 5,339,705, issue 853/78), maxi Mk I dial, encircled T, full 60-minute bezel, fixed-bar lugs. Sotheby's Important Watches Part I, Geneva, November 2023, lot 3.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| references
| Submariner 5513 and 5517
|-
| program window
| c.1971-1979
|-
| issued to
| Royal Navy (0552 line) and British Army incl. SAS / Army Air Corps (W10 line); never retailed
|-
| batches
| three: Batch 1 (5513 only), Batch 2 (5513/5517 double-reference), Batch 3 (5517 only)
|-
| total program
| the 5517-only Batch 3 estimated at ~250 produced / ~50 known per Phillips
|-
| dial
| T SWISS T (tritium); most examples carry no depth rating
|-
| hands
| sword (also called "gladiator" or "plongeur"); a small number of Batch 1 5513s shipped with Mercedes hands
|-
| bezel
| fully graduated 60-minute insert (not the retail 0-15 hashed insert)
|-
| case
| fixed spring bars friction-welded into the lugs
|-
| caseback
| dual-engraving: Rolex case markings inside, military markings outside (broad arrow + NATO stock + issue/year)
|-
| movement
| caliber 1520 across all three batches per documented major-house lots
|}

==Where it sits in the line==

The MilSub is one of two non-retail branches of the 5513 era, alongside the 5514 issued to French commercial diving company COMEX. The two sit in different worlds. COMEX 5514s were civilian-professional watches with a helium-escape valve, issued to a saturation-diving operator. MilSubs were military, issued by the British MoD, with a structural spec the retail line never carried: fixed bars, the full 60-minute bezel, sword hands.

The earliest documented British military issue of an Oyster diver is not the MilSub but the A/6538 SBS programme of 1957, roughly fifty examples of the Big Crown 6538 supplied to the Special Boat Service. The MilSub program proper begins around fifteen years later with the first batch of 5513-only military examples. By the time the dedicated 5517 batch arrives in 1978, the configuration has been formalised: full 60-minute bezel, sword hands, fixed bars, T SWISS T dial, dual caseback engraving.

The 5513 itself was widely fielded by other forces during this era — South African Army, Chilean Navy ("Propriedad Armada de Chile"), and a documented New Zealand Fisheries Research Division order of fourteen examples among them — but those were standard commercial 5513s procured through military channels, not MilSub-spec watches. They sit on the 5513 page rather than here.

==Batch breakdown==

The cleanest taxonomy on the program is the three-batch split documented across major-house lots and traced through Phillips, Sotheby's, Antiquorum, and Bonhams catalogues. The defining cue is what is engraved between the 12-o'clock lugs.

===Batch 1: 5513 between the lugs (c.1971-1974)===

Batch 1 carries 5513 case markings between the 12-o'clock lugs — visually identical to a retail 5513 from outside the caseback. Production sits in the early 3.9M serial cluster. These earliest MilSubs are 5513 cases built to MoD spec rather than a separate reference family, and the engraving placement reflects the 5513 origin of the case.

Batch 1 is the only batch where the configuration is not yet uniform. The Phillips and drsd.com record agrees that sword hands and the full 60-minute bezel were the factory spec from program inception, but a small number of Batch 1 5513s shipped with Mercedes hands and 0-15 hashed inserts. drsd.com's framing is that some Batch 1 5513 MilSubs delivered with either sword or Mercedes hands, while the 5517-only batch came only with sword hands and full 60-minute bezel. Most Mercedes-handed MilSubs surfacing today are service replacements, where MoD watchmakers swapped the oxidising sword set after long deployments.

===Batch 2: 5513/5517 double-reference (c.1972-1976)===

Batch 2 keeps 5513 between the 12-o'clock lugs and adds a 5517 stamp under one lug, conventionally the 7-o'clock lug. The dual marking captures the program's transition from repurposed 5513 cases to dedicated 5517 production. Documented examples cluster in the 3.926M serial band:

{| class="wikitable"
|-
! Auction
! Date
! Case
! Year
! Issue
! Caseback line
! Hammer
|-
| Phillips New York "Game Changers" lot 28
| 2019
| 3,926,768
| c.1972
| 688/77
| 0552 (Royal Navy)
| USD 218,750
|-
| Phillips Hong Kong lot 807
| 2017
| 3,926,923
| c.1974
| 941/79
| W10 (Army)
| HK$ 1,625,000
|-
| Antiquorum Monaco lot 77
| 2022
| 3,926,842
| c.1975
| 960/79
| W10
| EUR 260,000
|-
| Sotheby's Geneva lot 64
| 2023
| 3,926,898
| c.1973
| —
| —
| —
|-
| Bonhams 2018 lot 90
| 2018
| 392xxxx
| c.1972
| engravings removed
| inner caseback I.72
| GBP 72,500 incl. premium
|-
| Bonhams Knightsbridge
| 2022
| —
| c.1975
| 691/77
| RN diver provenance
| GBP 195,600 incl. premium
|}

Issue years 77 and 79 dominate the cluster. The case-number band is unusually tight for a ~five-year production window; the cleanest reading is that MoD procurement was batched against a small contemporaneous slice of 5513 cases rather than spread evenly through the run.

===Batch 3: 5517 only (c.1978)===

Batch 3 carries 5517 between the 12-o'clock lugs with no 5513 anywhere on the case — the full-spec form of the reference. Production sits in the 5.339M cluster, and every documented Batch 3 issue year is 78. Phillips's MilSub-discovery article gives the only batch-specific population figure: ~250 produced, ~50 recorded.

{| class="wikitable"
|-
! Auction
! Date
! Case
! Year
! Issue
! Caseback line
! Hammer
|-
| Phillips Geneva XIV lot 152
| 2021
| 5,339,827
| c.1978
| 842/78
| 0552 RN
| CHF 504,000
|-
| Sotheby's Important Watches I lot 3
| 2023
| 5,339,705
| c.1978
| 853/78
| 0552 RN
| est. CHF 120,000-180,000
|-
| Phillips MilSub-discovery (reunited pair)
| n/a
| 5,339,667
| c.1978
| 835/78
| 0552 RN
| n/a (article)
|-
| Sotheby's New York lot 238
| 2018
| —
| c.1978
| —
| MOD engravings
| est. CHF 150,000-300,000
|}

Phillips's reunited-pair article documents an authentication subtlety specific to the program: 5212xxx-band examples (issue 736-785) do not carry the serial inside the caseback, while 5339xxx-band examples do. The article also confirms that MoD watchmakers swapped casebacks during reissue cycles, which means a "non-matching" 5517 may still be entirely period-correct under the SAS / SBS reissue pattern. A matching caseback is not automatically more authentic than a non-matching one if the chain of custody documents the reissue.

==Configuration features==

[[File:Milsub 5517 sword-hands-detail.webp|thumb|right|220px|alt=Sword hands and Maxi Mk I dial close-up|Sword hands, Maxi Mk I dial with encircled T, and full 60-minute calibrated bezel — the three diagnostic features collectors look for.]]
[[File:Milsub 5517 bezel-60-minute-detail.webp|thumb|right|220px|alt=Full 60-minute calibrated bezel insert|Full 60-minute calibrated insert — every minute graduated, the MoD requirement that distinguishes a MilSub bezel from a civilian 5513.]]
[[File:Milsub 5517 dial-T-circle-detail.webp|thumb|right|220px|alt=Encircled T below 6 o'clock|Encircled T below 6 o'clock indicating MoD-spec low-radiation tritium — distinct from civilian "T<25" dials of the period.]]
[[File:Milsub 5513-5517 fixed-bars-profile.webp|thumb|right|220px|alt=Fixed-bar lug profile|Fixed-bar lugs: spring-bars welded into the case to keep the strap from working free during operations. Sotheby's Important Watches, December 2023, lot 64.]]

The MilSub is defined by a small set of mandated features, each of which appears on no retail Submariner of the period. Every documented Batch 3 5517 carries all of them; Batch 1 5513s drift on a subset.

===Fixed bars===

Friction-welded permanent spring bars, soldered into the lugs rather than fitted as removable spring bars. The strap cannot detach underwater if a bar fails. Universal across all three batches and a non-negotiable MoD spec from program inception. The bars are sized for NATO-style fabric pass-through; a MilSub will not take a standard Oyster bracelet without removing the fixed bars and refitting standard spring-bar lugs.

===60-minute bezel===

Minute gradations all the way around the bezel rather than only at the 0-15 dive interval. Minute-by-minute elapsed-time tracking for decompression. A Ministry of Defence requirement; the retail Submariner of the period uses the standard 0-15 hashed insert. The earliest 5513 MilSubs surface with both full-60 and 0-15 inserts; the 5517-only Batch 3 is uniformly full-60.

===Sword hands===

Wider and more sword-shaped than the standard Mercedes hand, also called "gladiator" or "plongeur" hands. Sword hands were factory spec across the whole MilSub program per the documented major-house catalogue language and the Phillips MilSub-discovery article. drsd.com qualifies the Batch 1 case: a small number of early 5513 MilSubs shipped with Mercedes hands. Mercedes-handed MilSubs in collector hands today are mostly service replacements where the oxidising sword set was swapped during reissue.

===T SWISS T dial===

Matte black, T SWISS T at the bottom of the dial in the dual-T format that flanks SWISS. Both T markers are required under UK regulations for tritium-lumed watches. The dial carries SUBMARINER and Rolex Oyster Perpetual above centre on most examples; most MilSub dials carry no depth rating in metric or imperial — the Ministry of Defence did not call for one. Late-program 5517 dials carry the same Maxi I (1976-1977) and Maxi II generations documented across the contemporary 5513.

===Caseback engraving===

The dual-engraving pattern splits maker and customer. Rolex reference and case-number markings sit on the inner caseback. Military identification — broad arrow, NATO stock numbers, service numbers — sits on the outer caseback. Royal Navy and SBS issue uses the 0552 prefix: ''0552 / 923-7697 / [issue]/[year]'' plus the broad arrow. Army, SAS, and W10 issue uses the W10 prefix: ''W10 / 6645 / 99 / 923-7697 / [issue]/[year]'' plus the broad arrow. The T-circle is a dial marking, not a caseback engraving — articles that describe it as caseback-side conflate two separate authentication tells.

Documented issue numbers in major-house lots include 688/77, 691/77, 835/78, 842/78, 853/78, 941/79, 960/79, and 395/75. The broad arrow is the British government property mark; any broad-arrow watch in the civilian market either left service through official decommissioning or carries an unclear chain of custody. The mark is never a civilian or retail marking.

==Movement==
[[File:Milsub 5517 caseback-movement.webp|thumb|right|220px|alt=Caseback removed showing inside-case stamping and caliber 1520|Caseback removed showing the inside-case stamping (5,339,705) and caliber 1520 movement.]]

The MilSub runs caliber 1520 across all three batches. Every Phillips, Sotheby's, Antiquorum, and Bonhams lot description for a documented MilSub reads cal. 1520 at 26 jewels. The forum-level claim that some 5517 examples carry caliber 1570 is not supported by any major-house lot in documented examples, and it likely shows contamination from standard 5512 / 5513 cases that can house either caliber. The MilSub's distinction over the standard 5513 is structural — fixed bars, 60-minute bezel, sword hands, military caseback engravings — not mechanical.

==Bracelet, strap, and packaging==

Issued watches were delivered on NATO-style fabric straps rather than metal bracelets, in keeping with the fixed-bar design. The bars do not take a standard Oyster bracelet, and the NATO pass-through is deliberate: the strap continues beneath the watch even if one bar fails, so the watch stays on the wrist. Packaging followed procurement logistics rather than retail presentation — military stores packaging, not standard Rolex retail boxes.

==Authentication and faking patterns==

The MilSub is one of the most faked Rolex references in the market. Three things combine to make it a fraud target: extreme value (consistently above USD 200,000 at auction for documented examples), a comparatively simple base watch (a modified 5513), and the difficulty of verifying military provenance against MoD records. The conversion path is short. A standard 5513 takes fixed bars, a 60-minute bezel, military caseback engravings, and sword hands. Each step is within reach of a skilled watchmaker, and the finished result can read visually convincing to anyone who has not handled a genuine example.

A handful of documented patterns carry most of the authentication weight.

The first is the inside-caseback rule from Phillips's MilSub-discovery article: 5212xxx examples (issue 736-785) do not carry the serial inside the caseback, while 5339xxx examples do. A 5339xxx case with no inside-caseback serial is wrong; a 5212xxx case with one is also wrong. The second is the caseback-swap caveat. SAS and SBS operatives returned issued watches to stockroom after missions, and casebacks were swapped during reissue cycles. A non-matching caseback may be entirely period-correct under documented MoD practice; a matching caseback is not automatically more authentic if the chain of custody establishes reissue.

The third pattern is the dealer-folklore terminology to discount. The "5513-T-MOD" and "5517-T-MOD" labels are collector slang for service-stripped MilSubs (issue marks rubbed off, parts service-swapped, or never engraved). No registry-quality source treats T-MOD as a distinct taxonomic class. The cleaner taxonomy is the three batches above plus the standard 5513 / 5514 COMEX as adjacent military-adjacent references.

Specialist documentation also notes a roughly EUR 20,000 value penalty for service-replaced bezels even when the replacement is period-correct. Sword-hand replacement, dial relume, and "added T" — where a non-T dial has the T markers added — are the documented fakery vectors on otherwise genuine cases. The most rigorous authentication chains documented provenance to a specific Royal Navy unit or service number, physical inspection by a specialist who can read fixed-bar construction and engraving depth, and cross-reference against known examples; the genuine population is small enough that most cases are tracked.

==Auction record==
[[File:Milsub 5513-5517 dial-detail.webp|thumb|right|220px|alt=Double-reference 5513/5517 with maxi Mk I dial and pumpkin patina|A 5513/5517 double-reference example (case 3,926,898, c.1973) showing maxi Mk I dial with pumpkin patina. Sotheby's Important Watches, December 2023, lot 64.]]

Documented MilSub results sort cleanly by batch. Batch 3 full-spec 5517s set the top of the market. Batch 2 5513/5517 double-reference watches cluster in a wide band depending on configuration and provenance. Service-stripped or removed-engraving examples trade lower.

{| class="wikitable"
|-
! Auction
! Lot
! Year
! Case
! Configuration
! Hammer
|-
| Phillips Geneva XIV
| 152
| 2021
| 5,339,827
| Batch 3 5517, c.1978, 0552 RN issue 842/78
| CHF 504,000
|-
| Sotheby's Important Watches I
| 3
| 2023
| 5,339,705
| Batch 3 5517, c.1978, 0552 RN issue 853/78, Maxi I
| est. CHF 120,000-180,000
|-
| Antiquorum Monaco
| 77
| 2022
| 3,926,842
| Batch 2 5513/5517, c.1975, W10 issue 960/79
| EUR 260,000
|-
| Phillips New York "Game Changers"
| 28
| 2019
| 3,926,768
| Batch 2 5513/5517, c.1972, 0552 RN issue 688/77
| USD 218,750
|-
| Bonhams Knightsbridge
| —
| 2022
| —
| Batch 2 5513/5517, c.1975, original RN diver provenance, caseback 691/77
| GBP 195,600 incl. premium
|-
| Phillips Hong Kong
| 807
| 2017
| 3,926,923
| Batch 2 5513/5517, c.1974, W10 Army issue 941/79
| HK$ 1,625,000
|-
| Fellows Birmingham
| 129
| 2020
| —
| 5517 with MOD engravings
| GBP 174,800 incl. premium (Fellows house record)
|-
| Sotheby's New York
| 238
| 2018
| —
| 5517 c.1978, MOD engravings, Rolex presentation case
| est. CHF 150,000-300,000
|-
| Bonhams London Fine Watches
| 90
| 2018
| 392xxxx
| Batch 2 5513/5517, c.1972, military engravings removed, inner caseback I.72
| GBP 72,500 incl. premium
|-
| Sotheby's
| —
| 2020
| —
| 5513 South African Army-associated, c.1970
| (5513 commercial; not a MilSub)
|}

The Phillips Geneva XIV 2021 result is the public auction record for the 5517 at CHF 504,000. The watch is a Batch 3 example in the 5,339,xxx cluster with a Henry Hudson letter from Rolex UK confirming issue to Her Majesty's Dockyard, Portsmouth in 1978. The result nearly tripled the high estimate of CHF 200,000, and that gap — between a specialist house's pre-sale read and what the room delivered — is itself the cleanest signal of how scarce a documented full-spec MilSub has become.

Batch 1 5513-only MilSubs trade lower than the headline numbers because of the more frequent service-component drift on early examples and the difficulty of separating an honest Batch 1 from a converted retail 5513. The cleanest Batch 1 lots still pull six figures when the chain of custody and the configuration both hold up; the spread is wider than it is on Batch 3.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ Tom Mulraney, "History of the Rolex Submariner - Part 2, The 55XX References and 1680 Date", Monochrome, 2020-08-19]
* [https://www.hodinkee.com/articles/inside-mike-woods-for-exhibition-only-a-private-rolex-collection-on-limited-display Tim Vaux, "Inside Mike Wood's 'For Exhibition Only': A Private Rolex Collection On Limited Display", Hodinkee, 2025-10-20]
* [https://www.phillips.com/article/151026516/a-cool-new-discovery-on-a-vintage-rolex-milsub "An Unexpected Discovery on a Vintage Rolex Submariner MilSub", Phillips, 2021]
* [https://www.phillips.com/detail/rolex/CH080221/152 "Rolex Submariner MilSub Ref. 5517 — Phillips Geneva Watch Auction XIV lot 152", Phillips, 2021-05]
* [https://www.phillips.com/detail/rolex/NY080119/28 "Rolex Military Submariner Double Reference 5513/5517 — Phillips New York Game Changers lot 28", Phillips, 2019-12]
* [https://www.phillips.com/detail/rolex/HK080316/807 "Rolex Military Submariner Ref. 5513/5517 — Phillips Hong Kong lot 807", Phillips, 2017-05]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-5513-5517-under-the-lug-submariner-so-called-milsub-lot-353-77 "Rolex Ref. 5513/5517 Military Submariner — Antiquorum Monaco 2022 lot 77", Antiquorum, 2022]
* [https://www.bonhams.com/auction/27662/lot/44/ "Rolex Royal Navy Military Submariner Ref. 5513/5517 — Bonhams Knightsbridge 2022", Bonhams, 2022]
* [https://www.bonhams.com/auction/24632/lot/90/ "Rolex Submariner Ref. 5513/5517 Military — Bonhams 2018 lot 90", Bonhams, 2018]
* [https://www.sothebys.com/en/buy/auction/2023/important-watches-part-i-2/military-submariner-reference-5517-a-stainless?locale=en "Full Spec Military Submariner, Reference 5517, Circa 1978", Sotheby's, 2023-11-05]
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-ge1804/lot.238.html?locale=en "MilSub Submariner, Ref 5517, Stainless Steel Military Wristwatch Made for the British Armed Forces, Circa 1978", Sotheby's, 2018-11]
* [https://www.sothebys.com/buy/0bfeaa8a-22d0-4e8d-9200-0d1a611ef7ea/lots/ec00c334-b62d-4907-8bb3-568a5101a36b "Rolex Submariner "South African Army", Ref 5513, Military Stainless Steel Wristwatch With Bracelet, Circa 1970", Sotheby's, 2020-10-28]
* [https://www.fellows.co.uk/blog/watches/2020/08/24/rolex-milsub-sells-for-over-165000-smashing-fellows-house-record/ "Rolex MilSub Sells for Over £174,000 Smashing Fellows House Record", Fellows, 2020-08]
* [https://www.windvintage.com/rolex-milsub-submariner-reference-5513 Eric Wind, "Rolex MilSub Submariner Reference 5513", Wind Vintage]
* [https://danielbourn.com/the-rolex-milsub/ Daniel Bourn, "The Rolex Milsub — Rolex 5517 The Rolex Military Submariner", Daniel Bourn]
* [https://italianwatchspotter.com/rolex-milsub-military-submariner/?lang=en "The Rolex Milsub: the MIL-itary SUB-mariner", Italian Watch Spotter]
* [https://www.drsd.com/watch-info/mil-sub/the-military-submariner.html "The Rolex Military Submariner 5513 (drsd.com)", drsd.com]
* [https://hairspring.com/blogs/finds/5513-7-double-reference-rolex-royal-navy-milsub "5513/7 Double Reference Rolex Royal Navy MilSub", Hairspring]
* [https://watchesofdistinction.com/product/rolex-military-submariner-ref-5513-1974/ "Rolex Military Submariner Ref 5513 (1974)", Watches of Distinction]

[[Category:Submariner]]

Reference:milgauss

2026-06-29T01:24:21Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex Milgauss}}
{{#seo:
|title=Rolex Milgauss — Reference Guide to Every Model & Year | BezelBase
|description=Every Rolex Milgauss reference, from the 1956 6541 honeycomb-gilt original through the 2007–2023 116400 / 116400GV "Glace Verte" revival. Production histories, dial variants, CERN provenance, Faraday cage architecture, movement specs, and collector context.
|keywords=Rolex Milgauss, 6541, 1019, 116400, 116400GV, Glace Verte, Z-Blue, Z-Black, CERN dial, honeycomb dial, Faraday cage, anti-magnetic 1000 gauss, lightning bolt seconds, Bull-Gauss, Pisani-class authentication
|image=Milgauss vintage poster.webp
|image_alt=Milgauss family — 6541, 1019, 116400 lineage
|type=Article
|og_type=article
|published_time=2026-05-17T05:53:59Z
|modified_time=2026-06-29T01:22:59Z
|robots=index,follow,max-image-preview:large
}}

= Rolex Milgauss =

The Milgauss is the Rolex reference built for scientists. Engineered for engineers, physicists, and lab technicians working near magnetic-field equipment, the line opens in 1956 with the 6541 — the first wristwatch with a soft-iron Faraday cage rated to 1,000 gauss. The Geneva-based partnership with CERN supplied the original validation case: CERN's labs were among the first to confirm Rolex's antimagnetic claim against the broader scientific measurement standards. The line runs through three canonical references over sixty-seven years before closing at Watches & Wonders Geneva in 2023.

The operational distinction is the cage. A soft-iron inner ring around the movement plus a soft-iron bell cover or caseback shield form a Faraday cage that diverts magnetic flux around the movement. Stray fields up to 1,000 gauss — equivalent to a strong electromagnet at close range — leave the regulating organ unaffected. The Milgauss is the only Rolex sport-line reference built specifically around this requirement.

This index covers every Milgauss reference. Pre-2020 production-end is the standard scope rule for the wiki; the 116400 / 116400GV final discontinuation in 2023 is the family-specific exception admitted because closing the Milgauss line cleanly requires it.

[[File:Milgauss vintage poster.webp|thumb|center|400px|alt=Milgauss family — 6541, 1019, 116400 lineage|The Milgauss line across its three references — 6541 (1956–1960), 1019 (1960–1988), 116400 / 116400GV (2007–2023).]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a 6541 honeycomb dial?'' '''[[Reference:6541|6541]]''' — original Milgauss. Honeycomb gilt dial, lightning-bolt seconds, soft-iron Faraday cage rated to 1,000 gauss, fewer than two hundred examples produced.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a 1019?'' '''[[Reference:1019|1019]]''' — the twenty-eight-year long run on caliber 1580 — roughly thirty antimagnetic modifications off the 1530 base — with the CERN-issued non-lume dial sub-variant.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching the green-crystal modern?'' '''[[Reference:116400GV|116400GV]]''' — modern revival with the green-tinted Glace Verte sapphire crystal, the only colored crystal Rolex has ever produced. Discontinued at Watches & Wonders Geneva 2023.
|}

== Vintage tool-watch era — 6541 (1956–1960) ==

The cataloged Milgauss. Honeycomb gilt dial in webbed laminated copper. Lightning-bolt seconds hand. Rotating engraved bezel. Twinlock crown. Fewer than 200 examples produced across the 6541 and its proto-reference 6543 combined. Every documented surviving 6541 case sits in the 412xxx serial batch — the most concentrated serial-band production in vintage Rolex sport-line history.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:6541|6541]] || 1956–1960 || 1066M (early) → 1080 (late) || acrylic || rotating engraved (standard) + smooth fixed (US-market) || First cataloged Milgauss. Lightning-bolt seconds (added 1957). Faraday cage rated 1,000 gauss. Five dial variants: honeycomb gilt, tropical, CERN non-luminous, no-MILGAUSS-text (sub-five known), and white dial (open question). Auction record CHF 2,238,000 at Phillips Geneva XVII May 2023 lot 25 (case 412'399). PerezCope "Bull-Gauss" authentication forensics canon.
|}

== Long-run dress-coded era — 1019 (1960–1988) ==

The longest Milgauss production run. Smooth bezel replaces the 6541's rotating engraved bezel. Plain straight seconds hand with red arrow tip replaces the lightning bolt — used on no other Rolex reference. The brief is deliberate de-tooling: the 6541's flamboyant signatures are stripped and the dial moves through three documented families across twenty-eight years. Commercial failure in its own time; collector grail from approximately 2000 onward.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:1019|1019]] || 1960–1988 || 1580 || acrylic || smooth fixed steel || 28-year run, longest of any Milgauss reference. Soft-iron Faraday cage carried over from 6541. Caliber 1580 with ~30 antimagnetic modifications off the 1530 base — 26 jewels, 19,800 vph, hacking seconds. Dial families: matte black (Mk1 square lume + later round lume), brushed silver, CERN-spec silver non-lume, gloss-black "Black Swan" (3 known, Phillips Geneva Six 2017 lot 196 hammered CHF 150,000). Tiffany-double-signed CERN dial documented (Bain 1964 case 1065XXX). Red arrow seconds hand the constant signature.
|}

== Modern revival — 116400 / 116400GV (2007–2023) ==

Rolex revives the Milgauss at Baselworld 2007, nineteen years after the 1019 production end and at the fiftieth anniversary of the 1956 6541 catalog launch. Four sub-references run across sixteen years. The signature change: the green-tinted Glace Verte sapphire crystal on the GV variants — the only colored crystal Rolex has ever produced. The line ends at Watches & Wonders Geneva 2023 with no announced successor.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:116400|116400 / 116400GV]] || 2007–2023 || 3131 + Parachrom Blu || clear sapphire (116400) or green Glace Verte sapphire (116400GV) || smooth fixed steel || 40mm 904L Oystersteel, soft-iron Faraday cage with "B-arrow" engraving, 1,000 gauss antimagnetic, 100m WR. Caliber 3131 — time-only sister of cal 3135 with paramagnetic Parachrom Blu hairspring. Orange lightning-bolt seconds revives 6541 signature. Four sub-references: 116400-0001 (black/clear, 2007–c.2013/2014), 116400-0002 (white/clear, 2007–2016), 116400GV-0001 "Z-Black" (2007–2023), 116400GV-0002 "Z-Blue" (March 2014–2023, electric-blue sunburst with zirconium pigment).
|}

== Faraday cage — the line's defining feature ==

The Faraday cage architecture is constant across all three references. A soft-iron inner ring around the movement (mechanical shielding) plus a soft-iron bell cover or caseback assembly (the second half of the shield) diverts magnetic flux around the watch's regulating organ. The 6541's webbed laminated copper plate adds a third shielding layer functioning as supplementary dial-side flux diversion.

The cage was Rolex's response to a measurement problem at CERN and at industrial research facilities of the 1950s. Standard wristwatch escapements ran inside the magnetic field of nearby experimental equipment and the regulating organ — a balance with steel components — was magnetised by stray flux. Tritium-equipped Geiger-counter testing of contemporary watches showed measurable timing drift in the 100–500 gauss range. Rolex's 1,000-gauss spec built a margin into a wristwatch.

By the 116400 generation, paramagnetic Parachrom Blu hairspring chemistry and amagnetic-alloy escapement components had reduced the cage's role to backup protection. The cage stays because the Milgauss without it is just an Oyster Perpetual.

== CERN provenance ==

The Rolex–CERN relationship begins with the 6541. CERN scientists validated the 1,000-gauss rating in-house against measurement standards CERN itself published. The "CERN dial" non-luminous variant (no tritium plots at the indices) appears on both the 6541 and the 1019 — the practical reason is that tritium beta-decays at 18.6 keV and a normal Rolex dial contributes scintillation background that distorts low-statistics measurements in CERN's particle-physics regime. Removing the tritium plots removes the failure mode.

No public CERN-side roster of issued Milgauss serial numbers exists. CERN's historical archive does not host watch documentation online. Specimens surface only via estate sales decades after issue. The non-lume dial spec is most likely a Rolex catalogue option that CERN-affiliated buyers and Geneva-area retailers fulfilled — there is no Rolex-side roster of named CERN-issued owners. The link is collector lore reinforced by Rolex's modern sponsorship of CERN's "Universe of Particles" exhibition at the Globe of Science and Innovation in Meyrin.

== Authentication — the "Bull-Gauss" canon ==

PerezCope's July 2023 forensic exposé of an Antiquorum-offered 6541 (case 412'320) coined "Bull-Gauss" as collector shorthand for fake or heavily-restored 6541s entering the auction market. The five-test forensic framework (movement M-engraving, soft-iron cage, caseback stamps, bezel-insert numerals, balance-cock geometry) is detailed on the [[Reference:6541|6541]] article where authentication stakes are sharpest. The 1019 and 116400 have parallel authentication checklists in the specialist literature but lower-stakes fakes are less frequent.

== Historical anchors ==

* 1956 — 6541 catalog introduction at Baselworld. CERN operationally commissioned the same year. Lightning-bolt seconds added 1957; case batch finalised 1958 (IV.1958 most common inner caseback stamp).
* 1960 — 6541 production end, 1019 introduction. Brief overlaps; 1019 takes over.
* 1963 to 1965 — Daytona Continental race-prize tradition. Per Jake Ehrlich's Rolex Magazine archive, Rolex distributed 6541s to Daytona Continental race winners (Pedro Rodriguez 1963 / 1964, Ken Miles + Lloyd Ruby 1965 Ford GT40). Race results are independently confirmed; the watch-prize tradition is single-source attribution.
* 1988 — 1019 production end. Catalogue presence continues briefly into the early 1990s as remaining inventory clears; NOS examples manufactured 1979 surfaced sold-new as late as 1990. The Milgauss line goes empty for nineteen years.
* 2007 — 116400 launch at Baselworld March. Coincides with CERN completing the Large Hadron Collider; Rolex sends pre-production 116400s to CERN for testing.
* November 2017 — Phillips Geneva Six lot 196 1019 Black Swan hammers CHF 150,000, re-anchoring the modern vintage 1019 market.
* March 2014 — Z-Blue 116400GV-0002 launch at Baselworld. Replaces the discontinued non-GV black sub-reference.
* May 2023 — Phillips Geneva XVII lot 25 6541 record. CHF 2,238,000 including premium. Case 412'399, movement N782694, full papers with secondary June 1960 chronometer certificate. Reportedly acquired by Rolex for the brand's archive (per Robb Report and Philipp Stahl at Rolex Passion Report).
* April 2023 — Watches & Wonders Geneva. Full Milgauss line discontinued. No successor announced.

== Special branches ==

The line hosts several institutional and provenance branches whose authentication and value warrant treatment in the per-reference articles:

* CERN-spec non-luminous dial (6541, 1019) — black-infilled hands and indices, no tritium plots. Rolex catalogue option ordered by CERN and other radiation-sensitive scientific environments. Premium over standard dial at auction.
* No-MILGAUSS-text 6541 — sub-five known. Standard Oyster Perpetual upper line, no "MILGAUSS" designation. Sotheby's London 2020 lot 365 essay confirms "less than a handful of pieces known to exist." Rarest factory 6541 configuration.
* Smooth-bezel US-market 6541 — fixed polished steel bezel, "ROW" (Rest of the World) movement stamp. Documented at Antiquorum lot 576 (case 412'108, sold January 30 1959, CHF 105,750) and Monaco Legend Auctions lot 32 (case 412'375, EUR 143,000 tropical).
* Black Swan 1019 — gloss-black dial with silvered gilt print. Three known examples. Phillips Geneva Six November 2017 lot 196 (case 1'985'480, caseback III.68) hammered CHF 150,000 against a CHF 70,000–100,000 estimate.
* Tiffany & Co. double-signed 1019 — Bain 1964 example, case 1065XXX, four-line CERN-spec dial with Tiffany & Co. retailer signature. Earliest known co-signed CERN Milgauss and the only documented Tiffany 1019 of any dial colour.
* Glace Verte 116400GV — green-tinted sapphire crystal, only colored crystal Rolex has ever produced. Through-thickness tint via kiln process Rolex describes as "one of the most difficult aesthetic operations" the manufacture has attempted; deliberately not patented because the process is so difficult to reverse-engineer.
* Z-Blue 116400GV-0002 — electric blue sunburst lacquer pigmented with zirconium, reads aqua/turquoise through the green crystal. March 2014 launch replaces the discontinued non-GV black sub-reference.

== Reference guides ==

Cross-family material that applies across the Milgauss line:

* [[Reference:Bracelets|Bracelets]] — the 6636 riveted (6541), 7206 / 7836 / 78350 / 78360 family (1019), and 78690 (116400) fitments with clasp date-code key.
* [[Reference:Movements|Movements]] — caliber 1066M / 1080 (6541), 1580 (1019), 3131 (116400 with Parachrom Blu).
* [[Reference:Serial-numbers|Serial numbers]] — numeric pre-1987 (1019 covers 1.0M–7M range), letter prefix 1987–2010 (116400 M / V / G), random alphanumeric 2010 onward (116400 GV late run).

== Related families ==

* [[Reference:sea-dweller|Sea-Dweller]] — the other specialist tool line. Different threat (helium, not magnetism), same brief: a Rolex built for one specific working environment.
* [[Reference:submariner|Submariner]] — the parent sport-tool architecture. Same Oyster case lineage, same 1500-family movement base under the antimagnetic modifications.
* [[Reference:air-king|Air-King]] — the parallel non-flagship. Both lines spend the 1960s–80s as quiet, undersold, technically distinctive Rolexes — Air-King at the entry tier, Milgauss at the scientific-tool tier.

[[Category:Milgauss]]
[[Category:Family]]

Reference:gmt-master

2026-06-29T01:24:13Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex GMT-Master}}
{{#seo:
|title=Rolex GMT-Master — Reference Guide to Every Model & Year | BezelBase
|description=The first watch Rolex ever built for airline pilots, and one of its most copied designs since. Launched in 1955 for Pan Am flight crews, the GMT-Master…
|keywords=Rolex, gmt-master, GMT-Master, specifications, reference guide
|image=Ref gmt-master vintage-poster.webp
|image_alt=Vintage Rolex GMT-Master advertising — the watch designed for Pan Am crews
|type=Article
|og_type=article
|published_time=2026-04-18T03:22:46Z
|modified_time=2026-06-29T01:22:51Z
|robots=index,follow,max-image-preview:large
}}

The GMT-Master is Rolex's original airline watch: a fourth hand, a 24-hour bezel, and two time zones on the wrist. Rolex launched it in 1955 for Pan Am crews, then split the line in 1982 when the GMT-Master II gave the local hour hand independent adjustment.

The line runs in five eras. Bakelite 6542 came first, then the long 1675 vintage core, then quick-set five-digit GMT-Masters, then the independent-hour GMT-Master II from 1982, then the ceramic GMT-Master II from 2005. Pepsi, Root Beer, Coke, and black became the family's own collector language.


[[File:Ref gmt-master vintage-poster.webp|thumb|center|420px|alt=Vintage Rolex GMT-Master advertising — the watch designed for Pan Am crews|Vintage Rolex GMT-Master advertising — the watch designed for Pan Am crews]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a long-vintage GMT?'' '''[[Reference:1675|1675]]''' — the twenty-year vintage core, pointed crown guards giving way to rounded, gilt giving way to matte, with steel, gold, and Root Beer branches in parallel.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a five-digit GMT-Master II?'' '''[[Reference:16710|16710]]''' — three bezel inserts (Pepsi, Coke, black) on the same case, late stick-dial 3186 sub-branch, the GMT collectors land on first when they cross from vintage to modern.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Working from a modern Cerachrom-bezel piece?'' '''[[Reference:116710LN|116710LN]]''' — first ceramic-bezel GMT-Master II. In-house caliber 3186, Cerachrom black insert, 904L steel — the reference that set the template the Pepsi and Batman variants now extend.
|}

== Early GMT-Master (1955–1959) ==

The experimental years. The case had no crown guards, the 24-hour bezel was moulded from bakelite and cracked easily, and a gold branch with alpha hands ran alongside the red-and-blue (Pepsi) steel watch. Most surviving examples carry later service inserts; the original bakelite rarely survived daily wear.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Bezel !! Key distinction
|-
| [[Reference:6542|6542]] || 1955–1959 || 1036 / 1065 / 1066 || 38mm SS or 18k YG || Bakelite Pepsi (steel), bakelite brown (gold) || First GMT-Master; no crown guards; fragile bakelite insert
|}


== Long vintage core (1959–1980) ==

The reference that turned the GMT-Master from an experiment into an institution. Crown guards arrived with the [[Reference:1675|1675]], along with an aluminum bezel insert (replacing the fragile bakelite) and a twenty-year production run long enough to hold several distinct watches under one number. Early pointed crown guards, known as PCG, gave way to rounded guards; gilt dials gave way to matte; and the steel watch was joined by a gold branch and a two-tone Root Beer branch.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:1675|1675]] || 1959–1979 || 1565 early, 1575 later || 40mm SS, 18k YG, or two-tone || Steel, 1675/8 gold, 1675/3 Root Beer || Core vintage GMT-Master; PCG to rounded guards, gilt to matte
|}


== Transitional GMT-Master (1979–1988) ==

The five-digit quick-set era on the GMT-Master side of the family split. Caliber 3075 added a quick-set date and a higher beat rate but kept the older linked-hand GMT logic, in which the 24-hour hand tracks the local hour hand rather than moving on its own. Acrylic crystals held through most of the run. The branch map also gets busier here, with steel, two-tone, and solid-gold references all in production at once.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:16750|16750]] || 1979–1988 || 3075 || 40mm SS || Matte to glossy Pepsi, black, spider || Last steel GMT-Master with acrylic crystal; quick-set date
|-
| [[Reference:16753|16753]] || 1979–1988 || 3075 || 40mm SS + 18k YG || Brown Root Beer, black || Two-tone continuation of the Root Beer line
|-
| [[Reference:16758|16758]] || 1979–1988 || 3075 || 40mm 18k YG || Brown Root Beer, black || Last gold GMT-Master with older linked-hand logic
|}


== GMT-Master II (1982–2007) ==

The functional break in the family. Caliber 3085 in the [[Reference:16760|16760]] introduced an independently adjustable local hour hand, which turned the 24-hour bezel into a third-time-zone tool rather than a second-time-zone aid. The thick transitional [[Reference:16760|16760]] gave way to the slimmer [[Reference:16710|16710]] in 1989, and the line spent nearly two decades on that reference before the ceramic era rewrote the watch.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:16760|16760]] || 1983–1987 || 3085 || 40mm SS (thick) || Coke, black || First GMT-Master II; "Fat Lady" / "Sophia Loren"
|-
| [[Reference:16710|16710]] || 1989–2007 || 3185, late 3186 || 40mm SS || Pepsi, Coke, black || Long neo-vintage steel run; late stick-dial 3186 sub-branch
|-
| [[Reference:16713|16713]] || 1989–2007 || 3185, late 3186 || 40mm SS + 18k YG || Brown, black || Two-tone GMT-Master II branch
|-
| [[Reference:16718|16718]] || 1989–2007 || 3185, late 3186 || 40mm 18k YG || Black well-documented, brown thinner || Solid-gold GMT-Master II branch
|}


== Late GMT-Master (1988–1999) ==

The last reference on the original side of the family split. Sapphire crystal, caliber 3175, and a choice of Pepsi or black bezel. The 16700 kept the older linked-hand GMT logic rather than adopting the independent hour hand of the GMT-Master II references running alongside it. That mechanical distinction kept the two lines separate right to the end.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:16700|16700]] || 1988–1998/1999 || 3175 || 40mm SS || Pepsi, black || Last GMT-Master; tritium to Luminova transition
|}


== Ceramic GMT-Master II 5-digit (2005–2019) ==

The Cerachrom era opened in 2005 with the yellow-gold [[Reference:116718LN|116718LN]] and caliber 3186, which runs across the entire 5-digit ceramic family. Rolesor followed in 2006, steel in 2007, the blue-black Batman in 2013, and the white-gold ceramic Pepsi in 2014. These are the thick Super Case GMTs before the slimmer 126710 generation.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:116718LN|116718LN]] || 2005–2019 || 3186 || 40mm 18k YG || Black dial, green anniversary dial || First Cerachrom GMT-Master II; caliber 3186 debut
|-
| [[Reference:116713LN|116713LN]] || 2006–2019 || 3186 || 40mm Rolesor YG || Single gloss-black configuration || First Cerachrom GMT-Master II to reach steel-in-case form
|-
| [[Reference:116710LN|116710LN]] || 2007–2019 || 3186 || 40mm SS || Black dial with green signature line || First steel GMT-Master II with ceramic bezel
|-
| [[Reference:116710BLNR|116710BLNR]] || 2013–2019 || 3186 || 40mm SS || Blue-and-black Batman || First two-colour Cerachrom; patented process
|-
| [[Reference:116719BLRO|116719BLRO]] || 2014–2019 || 3186 || 40mm 18k WG || Black dial -0001, blue dial -0002 (2018) || First ceramic Pepsi; white gold only
|}


== Ceramic GMT-Master II 6-digit (2018–present) ==

The current ceramic generation starts in 2018 with the steel Pepsi [[Reference:126710BLRO|126710BLRO]] and caliber 3285. Jubilee returned, the case slimmed down from the Super Case, and the line then expanded into Root Beer, Batman, Destro, and GRNR branches. This is the modern 70-hour GMT-Master II platform, and both the steel Pepsi and the white-gold Pepsi left the catalogue in 2026.

{| class="wikitable"
|-
! Reference !! Production !! Movement !! Case !! Branches !! Key distinction
|-
| [[Reference:126710BLRO|126710BLRO]] || 2018–2026 || 3285 || 40mm SS || Jubilee -0001, Oyster -0002 (2021) || First steel ceramic Pepsi; Jubilee return
|-
| [[Reference:126711CHNR|126711CHNR]] || 2018–present || 3285 || 40mm Rolesor Everose || Single CHNR configuration || First two-colour Cerachrom after BLNR/BLRO; "Cough Syrup"
|-
| [[Reference:126715CHNR|126715CHNR]] || 2018–present || 3285 || 40mm solid Everose || Black dial -0001, Tiger Iron -0002 (2025) || Solid-Everose Rootbeer halo
|-
| [[Reference:126710BLNR|126710BLNR]] || 2019–present || 3285 || 40mm SS || Jubilee Batgirl, Oyster Batman (2021) || Batman on cal. 3285; first Jubilee Batman
|-
| [[Reference:126720VTNR|126720VTNR]] || 2022–present || 3285 || 40mm SS || Oyster -0001, Jubilee -0002 || First modern left-crown Rolex sports watch; Sprite/Destro
|-
| [[Reference:126713GRNR|126713GRNR]] || 2023–present || 3285 || 40mm Rolesor YG || Single GRNR configuration on Jubilee || Return of yellow Rolesor; first precious-metal Jubilee GMT
|-
| [[Reference:126718GRNR|126718GRNR]] || 2023–present || 3285 || 40mm solid YG || Black dial, Tiger Iron dial (2025) || Return of solid yellow gold to the line
|-
| [[Reference:126710GRNR|126710GRNR]] || 2024–present || 3285 || 40mm SS || Oyster -0001, Jubilee -0002 || Bruce Wayne/Ghost; steel conclusion of the GRNR family
|}


== Movement progression ==

{| class="wikitable"
|-
! Caliber !! Frequency !! Hacking / quick-set !! Used in !! Notes
|-
| 1036 / 1065 / 1066 || 18,000 vph || no / no || [[Reference:6542|6542]] || Earliest GMT-specific movements; picture still unresolved
|-
| 1565 || 18,000 vph || no / no || [[Reference:1675|1675]] (early) || First stable 1675 caliber
|-
| 1575 || 19,800 vph || hacking from ~1971 || [[Reference:1675|1675]] (late) || Long-run 1675 caliber; sometimes signed 1570
|-
| 3075 || 28,800 vph || yes / yes || [[Reference:16750|16750]], [[Reference:16753|16753]], [[Reference:16758|16758]] || Five-digit quick-set upgrade; still linked-hand GMT
|-
| 3085 || 28,800 vph || yes / yes || [[Reference:16760|16760]] || First independently adjustable local hour hand
|-
| 3175 || 28,800 vph || yes / yes || [[Reference:16700|16700]] || Last linked-hand GMT-Master caliber
|-
| 3185 || 28,800 vph || yes / yes || [[Reference:16710|16710]], [[Reference:16713|16713]], [[Reference:16718|16718]] || Long neo-vintage GMT-Master II movement
|-
| 3186 || 28,800 vph || yes / yes || late [[Reference:16710|16710]], [[Reference:16713|16713]], [[Reference:16718|16718]]; all 5-digit ceramic ([[Reference:116710LN|116710LN]], [[Reference:116710BLNR|116710BLNR]], [[Reference:116713LN|116713LN]], [[Reference:116718LN|116718LN]], [[Reference:116719BLRO|116719BLRO]]) || Parachrom hairspring, revised GMT wheel; standard across the ceramic era
|-
| 3285 || 28,800 vph || yes / yes || All 6-digit ceramic references ([[Reference:126710BLNR|126710BLNR]], [[Reference:126710BLRO|126710BLRO]], [[Reference:126710GRNR|126710GRNR]], [[Reference:126711CHNR|126711CHNR]], [[Reference:126713GRNR|126713GRNR]], [[Reference:126715CHNR|126715CHNR]], [[Reference:126718GRNR|126718GRNR]], [[Reference:126720VTNR|126720VTNR]]) || Chronergy escapement, 70-hour reserve, Superlative -2/+2 sec/day
|}


== Color and metal logic ==

Color branches matter almost as much as reference numbers here. Pepsi starts with the steel [[Reference:6542|6542]] and stays the default GMT look. Root Beer starts with the two-tone 1675/3 and gold 1675/8, then carries forward through later gold and two-tone references. Coke belongs mainly to the GMT-Master II era from the [[Reference:16760|16760]] onward. Gold and two-tone watches are part of the main line from early on, not side branches.


== Collecting context ==

The GMT-Master market rewards different habits than the Submariner market. Submariner collecting tracks case shape, military use, and dial text. GMT collecting tracks bezel color, travel mythology, and branch identity in equal measure.

A few cautions carry across the whole family. Original delivery is not the same thing as period-correct fitment, and a clasp code dates the bracelet rather than the watch head. Service inserts are common on the earliest watches, where the original bakelite rarely survived. The nickname language is useful but loose: Pepsi, Coke, Root Beer, and black each cover more variation than the shorthand suggests.

The modern ceramic era splits cleanly into two family hubs. [[Reference:gmt-master-ii-5digit-ceramic-family|The 5-digit ceramic family]] covers the 2005–2019 Super Case watches. [[Reference:gmt-master-ii-6digit-family|The 6-digit family]] covers the 2018-onward caliber 3285 generation.

== Related families ==

* [[Reference:submariner|Submariner]] — the parallel dive line. Same case-era cadence, same crown-guard transition, the other half of the 1955–1959 Rolex tool-watch launch wave.
* [[Reference:explorer-ii|Explorer-II]] — the 24-hour cousin. The 1655 shares caliber 1575 with the 1675; the 16550 shares caliber 3085 with the 16760.
* [[Reference:daytona|Daytona]] — the chronograph counterpart. The same Zenith-to-in-house movement transition runs across both lines in the 1988–2000 window.

== Sources ==
* [https://monochrome-watches.com/history-rolex-gmt-master-and-gmt-master-ii-1955-2024-iconic-traveller-watch-in-depth-review/ In-Depth: The History of the Rolex GMT-Master and GMT-Master II] — Monochrome
* [https://www.sothebys.com/en/articles/the-rolex-gmt-master-the-complete-collectors-guide The Rolex GMT-Master: A Complete Collector's Guide] — Stephen Pulvirent, Sotheby's
* [https://www.sothebys.com/en/articles/a-concise-guide-to-the-rolex-gmt-root-beer A Closer Look at the Rolex Root Beer] — Christina Bohn, Sotheby's
* [https://monochrome-watches.com/an-early-retrospective-rolex-gmt-master-ii-lunette-noire-ceramic/ An Early Retrospective – Rolex GMT-Master II Lunette Noire Ceramic] — Evan Yeung, Monochrome Watches
* [https://monochrome-watches.com/baselworld-2019-updated-rolex-gmt-master-ii-batman-126710blnr-jubilee-bracelet-price/ Baselworld 2019 – Updated Rolex GMT-Master II Batman 126710BLNR on Jubilee] — Monochrome Watches
* [https://monochrome-watches.com/yellow-gold-and-rolesor-rolex-gmt-master-ii-grey-and-black-ceramic-bezel-2023-editions-126713grnr-126718grnr-specs-price/ Yellow Gold and Rolesor Back On The Rolex GMT-Master II With Grey & Black Ceramic Bezel] — Monochrome
* [https://www.fratellowatches.com/fasten-your-seatbelts-rolex-gmt-master-history/ Fasten Your Seatbelts: Rolex GMT-Master History and Overview of All Major References] — Fratello Watches
* [https://www.sothebys.com/en/articles/the-rolex-gmt-pepsi-the-key-references The Rolex Pepsi: The Key References] — Sotheby's
* [https://www.bobswatches.com/rolex-blog/resources/rolex-caliber-3186-vs-rolex-caliber-3285.html Rolex Caliber 3186 vs. Caliber 3285] — Bob's Watches
* [https://robbreport.com/style/watch-collector/rolex-pepsi-gmt-master-ii-discontinued-market-1237890139/ With the Rolex Pepsi Now Gone, the Market Is Smelling Blood] — Robb Report, 2026
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:GMT-Master]]

Reference:explorer

2026-06-29T01:24:08Z

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{{DISPLAYTITLE:Rolex Explorer}}
{{#seo:
|title=Rolex Explorer — Reference Guide to Every Model & Year | BezelBase
|description=Every Rolex Explorer I reference from the 1952 pre-Explorer 6150 through the current 124270 and 224270. Production histories, dial variants, movement specs, and collector context.
|keywords=Rolex Explorer, Explorer I, 1016, 6150, 6350, 6610, 14270, 114270, 214270, 124270, 224270, vintage Rolex
|image=Ref Explorer everest 1953.webp
|image_alt=Hillary and Norgay's 1953 Everest expedition — the event that launched the Explorer name
|type=Article
|og_type=article
|published_time=2026-04-16T04:55:10Z
|modified_time=2026-06-29T01:22:46Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Explorer I ==
The Explorer launched in 1953, the same year as the Submariner, and took its name from Rolex's run of supplied watches on Himalayan expeditions through the early 1950s. The Hillary and Norgay Everest ascent that May supplied the marketing peg, though the dial layout had already been settled on the 6150. The line is defined by three things: a 36mm Oyster case (until the 214270 stretched it to 39mm in 2010), a 3-6-9 Arabic-numeral dial, and Mercedes hands. No date, no rotating bezel, no complications of any kind.

The [[Reference:explorer-ii|Explorer II]] arrived in 1971 with a 24-hour hand aimed at cavers and polar workers who lose track of day and night. It runs across five references (1655, 16550, 16570, 216570, 226570) on its own movement family and is documented separately. This page covers Explorer I.

[[File:Ref Explorer everest 1953.webp|thumb|center|500px|alt=Hillary and Norgay's 1953 Everest expedition — the event that launched the Explorer name|Hillary and Norgay's 1953 Everest expedition — the event that launched the Explorer name]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a vintage 36mm Explorer?'' '''[[Reference:1016|1016]]''' — the twenty-nine-year foundation reference, gilt Types 0 through 6, matte Marks 0 through 5.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a sapphire-era 36mm?'' '''[[Reference:14270|14270]]''' — first sapphire-crystal Explorer, caliber 3000, five dial generations, plus the Blackout variant that re-set the modern Explorer market.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Working from a 39mm dial photo?'' '''[[Reference:214270|214270]]''' — first size change in fifty-seven years. Caliber 3132 with Paraflex shock absorbers, and the Mark 1 (no lume numerals) vs Mark 2 (lume) split.
|}

== Pre-Explorer and early references (1952–1959) ==

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:6150|6150]] || 1952–1953 (or 1959) || A296 (non-COSC) || 36mm SS || First 3-6-9 layout; most dials say "Precision," not "Explorer"
|-
| [[Reference:6350|6350]] || 1953–1955 || A296 (COSC) || 36mm SS || First ref where ALL dials say "Explorer"; honeycomb variant
|-
| [[Reference:6610|6610]] || 1955–1959 || Cal. 1030 || 36mm SS || Upgraded movement; red depth rating and Albino variants
|}

== The foundation reference (1960–1989) ==

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:1016|1016]] || ~1960–1989 || Cal. 1560, then 1570 || 36mm SS || 29-year run; gilt Types 0–6, matte Marks 0–5; the definitive Explorer
|}

== Modern references (1989–2021) ==

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:14270|14270]] || 1989–2001 || Cal. 3000 || 36mm SS || Sapphire crystal; Blackout variant; 5 dial generations
|-
| [[Reference:114270|114270]] || 2001–2010 || Cal. 3130 || 36mm SS || Parachrom hairspring; solid end links; engraved rehaut late
|-
| [[Reference:214270|214270]] || 2010–2021 || Cal. 3132 || 39mm SS || First size change in 57 years; Mark 1 (no lume) vs Mark 2 (lume)
|}

== Movement progression ==

{| class="wikitable"
|-
! Caliber !! Frequency !! Power reserve !! Used in !! Notes
|-
| A296 || — || — || 6150, 6350 || Pre-1560 era; COSC-certified in 6350 only
|-
| 1030 || — || — || 6610 || Upgrade from A296; thinner caseback
|-
| 1560 || 18,000 vph || — || 1016 (early) || Microstella adjustment; first "Superlative Chronometer"
|-
| 1570 || 19,800 vph || — || 1016 (from ~1965) || Hacking added 1971
|-
| 3000 || 28,800 vph || 48 hr || 14270 || Last Rolex with balance cock
|-
| 3130 || 28,800 vph || 48 hr || 114270 || Parachrom hairspring; balance bridge
|-
| 3132 || 28,800 vph || 48 hr || 214270 || Paraflex shock absorbers
|}

== Related families ==

* [[Reference:explorer-ii|Explorer-II]] — the 24-hour sibling. Same Explorer DNA, fixed bezel, an extra hour hand for cavers and polar workers.
* [[Reference:submariner|Submariner]] — the parallel 1953 launch. Same year, same case architecture, different tool job.
* [[Reference:air-king|Air-King]] — the shared-case cousin. The 1500-family movement that powers the 1016 also powers the 5500; the 5504 wears a 1016 case with Air-King dial text.

== Sources ==
* [https://monochrome-watches.com/history-rolex-explorer-from-1953-36mm-1016-14270-114270-214270-124270-in-depth-review/ The History of the Rolex Explorer] — Frank Geelen, Monochrome Watches (2024)
* [https://www.hodinkee.com/articles/rolex-explorer-reference-points Collector's Guide To The Rolex Explorer I] — Jon Bues, Hodinkee (2022)
* [https://explorer1016.com/ Explorer1016.com] — Andrew Hantel (definitive 1016 dial variant resource)
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://www.rolex.com/watches/explorer Rolex.com Explorer Collection] — official current specs

[[Category:Explorer]]
[[Category:Family Index]]

Reference:daytona

2026-06-29T01:24:02Z

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{{DISPLAYTITLE:Rolex Cosmograph Daytona}}
{{#seo:
|title=Rolex Daytona — Reference Guide to Every Model & Year | BezelBase
|description=Every pre-2020 Rolex Cosmograph Daytona reference, from the 1962 Pre-Daytona 6238 through the 2000-2016 in-house cal 4130 generation. Production histories, dial variants, movement specs, and collector context.
|keywords=Rolex Daytona, Cosmograph Daytona, Paul Newman Daytona, Zenith Daytona, vintage Daytona, 6239, 6263, 6265, 16520, 116520, manual-wind chronograph, Valjoux 72, cal 4030, cal 4130
|image=Daytona vintage poster.webp
|image_alt=Vintage Rolex Cosmograph Daytona advertising — the chronograph that defined the line
|type=Article
|og_type=article
|published_time=2026-04-19T03:23:49Z
|modified_time=2026-06-29T01:22:40Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Cosmograph Daytona ==
The Cosmograph Daytona is Rolex's chronograph line and the family that now anchors the brand's collector market. Rolex introduced it in 1963, ran the manual-wind generation through 1988, moved to Zenith-based automatic watches in 1988, and introduced the in-house cal 4130 in 2000.

The map runs in four blocks: the 6238 Pre-Daytona, then the manual-wind Daytona from 1963 to 1988, the Zenith automatic from 1988 to 2000, and the in-house 4130 era from 2000 to 2016. Current ceramic-era production sits outside this page.

Origins (1937–1963) sit on a dedicated page. The Antimagnetique, Monoblocco, and 4xxx tonneau Oyster chronographs that hand the layout to the [[Reference:6239|6239]] are tracked under [[Reference:pre-daytona-chronographs|pre-Daytona chronographs]].

[[File:Daytona vintage poster.webp|thumb|center|400px|alt=Vintage Rolex Cosmograph Daytona advertising — the chronograph that defined the line|Vintage Rolex Cosmograph Daytona advertising — the chronograph that defined the line]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a manual-wind acrylic Daytona?'' '''[[Reference:6263|6263]]''' — longest-running manual-wind Daytona, caliber 727, screw-down pushers. Hosts the Albino, Big Red, RCO, and the retailer-signed branches.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Working from a Zenith-era dial photo?'' '''[[Reference:16520|16520]]''' — twelve years on caliber 4030 with the seven-mark dial progression — MK1 floating Cosmograph porcelain through MK7 Luminova, plus the Patrizzi sub-branch.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking an in-house automatic Daytona?'' '''[[Reference:116520|116520]]''' — first in-house Daytona, caliber 4130 with vertical clutch and column wheel, sixteen-year run from 2000 to 2016.
|}

== Manual-wind chronograph (1962–1988) ==

This is the Valjoux 72 era. Rolex first sold the 6238 as the Pre-Daytona, then moved the tachymeter to the bezel on the 6239. The 6240 introduced screw-down pushers and the Oyster case. The 6241 kept pump pushers with an acrylic bezel insert. The 6262 and 6264 were brief transitional references, then the 6263 and 6265 ran the manual-wind line out to 1988 on caliber 727.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Bezel !! Pushers !! Key distinction
|-
| [[Reference:6238|6238]] || 1962–1968 || 722 || Smooth || Pump || "Pre-Daytona"; chronograph without the Daytona name; tachymetre printed on the dial
|-
| [[Reference:6239|6239]] || 1963–1969 || 722 || Engraved metal tachymetre || Pump || First true Cosmograph Daytona; Paul Newman's reference
|-
| [[Reference:6240|6240]] || 1965–1969 || 722-1 || Acrylic black insert || Screw-down || First Oyster Daytona; introduced screw-down pushers and 100m water resistance
|-
| [[Reference:6241|6241]] || 1966–1969 || 722-1 || Acrylic black insert || Pump || Pump-pusher sibling of the 6240; hosts the 14k yellow gold John Player Special
|-
| [[Reference:6262|6262]] || 1970–1972 || 727 || Engraved metal tachymetre || Pump || Brief transitional pair — pump pushers with the new 21,600 vph caliber
|-
| [[Reference:6263|6263]] || 1969–1988 || 727 || Acrylic black insert || Screw-down || Longest-running manual-wind Daytona; Albino, Big Red, RCO, every retailer-signed branch
|-
| [[Reference:6264|6264]] || 1970–1972 || 727 || Engraved metal tachymetre || Pump || Metal-bezel pump-pusher sibling of the 6262; same brief window
|-
| [[Reference:6265|6265]] || 1971–1988 || 727 || Engraved metal tachymetre || Screw-down || Metal-bezel sibling of the 6263; the Unicorn 18k white gold lives here
|}

== Zenith automatic (1988–2000) ==

Rolex reworked the Zenith El Primero into caliber 4030 by cutting the beat rate, removing the date, and fitting a Rolex balance and escapement. The 16520 is the steel reference; 16518, 16519, 16523, and 16528 are the gold and Rolesor parallels. The 16520 dial map is the main collector battleground of the era.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Material !! Bracelet !! Key distinction
|-
| [[Reference:16520|16520]] || 1988–2000 || 4030 || Stainless steel || Oyster (78360 → 78390) || First automatic Daytona; MK1 floating Cosmograph porcelain through MK7 Luminova; Patrizzi
|-
| [[Reference:16518|16518]] || 1988–2000 || 4030 || 18k yellow gold || Leather strap || Yellow gold leather-strap sibling
|-
| [[Reference:16519|16519]] || 1989–2000 || 4030 || 18k white gold || Leather strap || White gold leather-strap sibling
|-
| [[Reference:16523|16523]] || 1988–2000 || 4030 || Steel + 18k yellow gold (Rolesor) || Oyster || Two-tone Rolesor variant
|-
| [[Reference:16528|16528]] || 1988–2000 || 4030 || 18k yellow gold || Oyster || Yellow gold bracelet sibling
|}

== In-house cal 4130 (2000–2016) ==

Caliber 4130 brought vertical clutch, column wheel, and a 72-hour reserve. The 116520 is the steel reference; 116523 and 116528 are the Rolesor and yellow-gold siblings. The line closes in 2016 with the ceramic-bezel [[Reference:116500LN|116500LN]].

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Material !! Bezel !! Key distinction
|-
| [[Reference:116520|116520]] || 2000–2016 || 4130 || Stainless steel || Steel tachymetre || First in-house Daytona; APH error dial; Fratello-measured 38.5mm true case
|-
| [[Reference:116523|116523]] || 2000–2016 || 4130 || Steel + 18k yellow gold (Rolesor) || Gold tachymetre || Two-tone Rolesor variant; Rolex 24 At Daytona GT Champion presentation watches
|-
| [[Reference:116528|116528]] || 2000–2016 || 4130 || 18k yellow gold || Gold tachymetre || Full yellow gold bracelet variant; Eric Clapton's example sold 2017
|-
| [[Reference:116518|116518]] || 2000–c.2015 || 4130 || 18k yellow gold || Gold tachymetre || Yellow gold leather-strap counterpart to the 116528; alligator on yellow gold deployant; broad cal 4130 dial catalogue
|-
| [[Reference:116505|116505]] || 2008–2023 || 4130 || 18k Everose gold || Engraved Everose tachymetre || First Everose Daytona; Baselworld 2008 launch; chocolate, black, ivory, sundust, and 2021 meteorite dial branches
|-
| [[Reference:116508|116508]] || 2016–2023 || 4130 || 18k yellow gold || Gold tachymetre || Bracelet-mounted yellow gold successor to the 116528; introduced the green sundust dial
|-
| [[Reference:116506|116506]] || 2013–2023 || 4130 || 950 platinum || Chestnut Cerachrom monobloc || First platinum Daytona; Baselworld 2013 for the 50th anniversary; ice-blue dial; standard / baguette-diamond / Arabic-Indic sub-references
|}

== Variant spotlights ==

Headline and disputed variants get their own pages, where provenance, authentication, and auction history can be tracked in full:

* [[Reference:paul-newman-daytona|Paul Newman Daytona]]: the exotic dial family across six manual-wind host references (6239 / 6241 / 6262 / 6263 / 6264 / 6265). Mk1–Mk4 progression, five color types, RCO / Oyster Sotto, JPS, Lemon. Newman's own 6239 at USD 17.52M (Phillips Winning Icons, 2017) and Big Red 6263 at USD 5.48M (Phillips NY, December 2020).
* [[Reference:albino-daytona|Albino 6263]]: the white-on-white monochromatic dial; three documented examples; three-way Hodinkee / Perezcope / Sotheby's authenticity dispute; Clapton provenance arc from USD 50,190 (Christie's 2003) to USD 952,500 (Sotheby's Abu Dhabi 2025).
* [[Reference:unicorn-daytona|Unicorn 6265]]: the only known 18k white gold manual-wind Daytona; Phillips Daytona Ultimatum 2018 headline at CHF 5,937,500; Perezcope 2022 Frankenstein dossier disputing authenticity with 2010 Newoldschlock Instagram photographs and millerighe pusher forensics.
* [[Reference:big-red-daytona|Big Red 6263]]: standard / Floating Big Red / Small Red variants; Paul Newman's own Big Red engraved "Drive slowly Dad," sold Phillips NY December 2020 for USD 5,475,000.
* [[Reference:neanderthal-daytona|Neanderthal 6240]]: Phillips Daytona Ultimatum 2018 presented this as the earliest Paul Newman prototype, sold CHF 3,012,500. Perezcope's November 2022 dossier disputes the prototype framing using the April 1998 ''Orologi & Market'' page 44 as contemporaneous evidence of a post-production construction.
* [[Reference:oyster-sotto-daytona|Oyster Sotto / RCO 6263]]: the rarest standard-production Paul Newman layout, with ROLEX COSMOGRAPH OYSTER text stack (OYSTER below Cosmograph rather than above). First Paul Newman to breach seven figures at Christie's Lesson One in 2013; hammered CHF 1,662,500 at Phillips Daytona Ultimatum 2018.

== Reference guides ==

Cross-family material that applies across every Daytona reference:

* [[Reference:Bracelets|Bracelets]]: the 7205, 7836, 78350, 78360, 78390, 78490, 8385, 93150 fitments and clasp date-code key (A=1976 to CP=2011, with the 1995–98 overlap).
* [[Reference:Movements|Movements]]: the Valjoux 72 manual-wind family (722 / 722-1 / 727), the Zenith-derived cal 4030, and the in-house cal 4130.
* [[Reference:Serial-numbers|Serial numbers]]: the three Rolex serial systems (numeric pre-1987, letter 1987–2010, random alphanumeric 2010+) with year-decoder tables.
* [[Reference:daytona-glossary|Glossary]]: every named dial variant, movement caliber, bracelet reference, and auction landmark consolidated with per-term definitions and links to the owning reference article.

== Related families ==

* [[Reference:submariner|Submariner]] — the parallel dive-watch line. Same case-era splits and the other half of the steel-sports-Rolex collector market.
* [[Reference:gmt-master|GMT-Master]] — the parallel pilot line. Acrylic, sapphire, and ceramic crystal eras run on the same calendar.
* [[Reference:sea-dweller|Sea-Dweller]] — the deeper-rated Submariner sibling. COMEX provenance overlaps the manual-wind Daytona auction record.

[[Category:Daytona]]
[[Category:Family]]

Reference:day-date

2026-06-29T01:23:59Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex Day-Date}}
{{#seo:
|title=Rolex Day-Date President — Every Model & Year | BezelBase
|description=Every pre-2020 Rolex Day-Date reference, from the 1956 originals era (6510 / 6511 / 6611 / 6612 / 6612B) through the modern 6-digit 118238 / 118239 / 118235. Production histories, dial variant taxonomy (Stella, Stern stone, Buckley, Wide-Boy, Underline, Red Quarters, Sigma), movement progression, and presidential / Nasser / Sadat / LBJ / Khanjar provenance.
|keywords=Rolex Day-Date, President, 6510, 6611, 1803, 18038, 118238, 218238, Stella, Stern, Buckley, Wide-Boy, Underline, Red Quarters, Sigma, Khanjar, Tiffany double-signed, Nasser, LBJ, Lyndon Johnson
|image=Ref 118238 hero.webp
|image_alt=Rolex Day-Date 118238 18k yellow gold champagne dial President
|type=Article
|og_type=article
|published_time=2026-05-24T20:53:04Z
|modified_time=2026-06-29T01:22:37Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Day-Date ==

The Day-Date is the Rolex reference that spells the day of the week in full at twelve o'clock and shows the date at three. Marc Huguenin's patent for the day-and-date wristwatch complication was filed 23 July 1955; Rolex debuted the watch at the Basel Fair in 1956 as the [[Reference:6510|6510]]. The President bracelet — the bracelet that gives the line its modern shorthand — arrived a year later in 1957 with the [[Reference:6611|6611]]. The line has been in continuous catalogue presence since 1956 and is the only Rolex sport-luxury reference offered in precious metal only (steel and Rolesor have never appeared on a cataloged Day-Date — the marketing-test six-piece steel 6611 from the Geneva Horology School at Antiquorum October 2002 is the only documented exception).

This index covers the pre-2020 Day-Date references in scope on the wiki — the 6510 originals era, the 4-digit 1803 era, the 5-digit 18038 / 18028 / 18048 / 18078 cluster, and the modern 6-digit 118238 generation. The post-2019 Day-Date 40 / Day-Date 36 successors (128238 / 128239 / 128235 / 128236 / 128288 / 128289 / 228235 / 228238 / 228239 with cal 3255 from 2019) sit outside the wiki's pre-2020 scope.

[[File:Ref 118238 hero.webp|thumb|center|400px|alt=Rolex Day-Date 118238 18k yellow gold champagne dial President|The modern Day-Date silhouette — fluted bezel, President bracelet, champagne stick-index dial — the configuration the line has carried since the 1957 introduction of the President bracelet on the 6611.]]
== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying the original 1956 Day-Date?'' '''[[Reference:6510|6510]]''' — Marc Huguenin's 1955 patent, Basel 1956 launch, single-year cataloged run, Jubilee bracelet (the President bracelet arrives with the 6611 in 1957).
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking the canonical 4-digit Day-Date?'' '''[[Reference:1803|1803]]''' — eighteen-year run 1959 to 1977-78, cal 1555 then cal 1556, the dial-variant explosion (Stella, Stern stone, Buckley, Wide-Boy, Underline, Red Quarters, Sigma), Nasser and LBJ provenance.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching a modern 36mm Day-Date?'' '''[[Reference:118238|118238]]''' — nineteen-year run 2000 to 2019, cal 3155 with double quickset, Parachrom Blu mid-run rollout, engraved rehaut from 2006-07, the last 36mm Day-Date before the 128238 took over.
|}

== Originals era (1956–1959) ==

The 6510 opens the line at Basel 1956 with the cal 1055 — Rolex's first day-and-date caliber. The 6611 follows in 1957 with the President bracelet and the upgraded cal 1055 (Microstella balance, SCOC certification). The cluster runs through 1959 before the 1803 takes over the 4-digit era.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Bezel !! Bracelet !! Key distinction
|-
| [[Reference:6510|6510]] || 1956–57 || smooth / domed || Jubilee || The original Day-Date — cal 1055, single-year run, Italian-delivered case 134,636 is the earliest documented serial.
|-
| 6511 || 1956–57 || fluted || Jubilee || Parallel launch with the 6510. Introduces the fluted bezel that becomes the Day-Date signature.
|-
| 6611 || 1957–59 || fluted || President || First reference to wear the President bracelet. Upgraded cal 1055 with Microstella and SCOC dial.
|-
| 6612 || 1957–59 || smooth || President || Smooth-bezel sibling of the 6611.
|-
| 6613 || 1957–59 || gem-set || President || Factory diamond-set bezel sub-reference.
|-
| 6611B || 1958–59 || fluted || President || Late variant of the 6611.
|-
| 6612B || 1958–59 || smooth || President || Late variant of the 6612.
|}

== 4-digit era (1959–1977/78) ==

The 1803 anchors the era with an eighteen-year run — the longest single-reference Day-Date production. Catalogue siblings split by bezel finish (1804 gem-set, 1807 bark, 1811 Morellis).

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Bezel !! Key distinction
|-
| [[Reference:1803|1803]] || 1959 to 1977-78 || cal 1555 → cal 1556 || fluted || The dial-variant-densest reference in the modern Rolex catalogue — Stella, Stern stone, Buckley Roman, Wide-Boy, Underline, Red Quarters, Sigma, Khanjar, Tiffany double-signed, Nasser/Sadat provenance.
|-
| [[Reference:1804|1804]] || 1959 to 1977-78 || cal 1555 / 1556 || gem-set || Factory diamond-set bezel in gold and platinum; the platinum Eastern-Arabic examples (Scheherazade) are among the most valuable 4-digit Day-Dates.
|-
| [[Reference:1806|1806]] || 1959 to 1977-78 || cal 1555 / 1556 || Florentine || Florentine finish on case, bezel and lugs; often on the rare brick bracelet.
|-
| [[Reference:1807|1807]] || 1959 to 1977-78 || cal 1555 / 1556 || bark || Full bark coverage on bezel + center links.
|-
| [[Reference:1811|1811]] || 1959 to 1977-78 || cal 1555 / 1556 || Morellis || Morellis (moiré) finish on bezel and bracelet center links.
|-
| [[Reference:1831|1831]] || c.1977 (special order) || cal 1556 / 1566 || diamond (integrated case) || The platinum "Emperor" — special-order integrated-bracelet case (1530 / 1630 / Oysterquartz idiom), about eight numbered examples for the household of the Shah of Iran plus the Omani Khanjar No. 9. Not a round President.
|}

== 5-digit era (1977–1988) ==

Sapphire crystal arrives. Caliber 3055 introduces single quickset date. The 18038 is the volume reference; siblings cover bezel and material variations.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Material !! Bezel !! Key distinction
|-
| [[Reference:18038|18038]] || 1977–1988 || 18k yellow gold || fluted || First sapphire-crystal Day-Date. Stella third-series dials (T SWISS MADE T marking), Stern stone-dial 1980–1990 expansion, wood-burl revival, the uncatalogued Pleiade diamond-pattern sub-variant (~7,000 CHF factory surcharge).
|-
| [[Reference:18028|18028]] || 1977–1988 || 18k yellow gold || smooth || Rare smooth-bezel President — the dressy outlier; value lives in the dial (stone/Stella).
|-
| [[Reference:18048|18048]] || 1977–1988 || 18k yellow gold || gem-set || Factory diamond bezel with 44 round brilliants.
|-
| [[Reference:18078|18078]] || 1977–1988 || 18k yellow gold || bark || Bark-finish bezel and bark center links. Limited production.
|-
| 18039 || 1977–1988 || 18k white gold || fluted || White-gold equivalent of the 18038.
|-
| 18049 || 1977–1988 || 18k white gold || gem-set || White-gold equivalent of the 18048.
|-
| 18079 || 1977–1988 || 18k white gold || bark || White-gold equivalent of the 18078.
|-
| 18026 || 1977–1988 || platinum || smooth || Extremely rare platinum 5-digit Day-Date.
|}

== Late 5-digit era (1988–2000) ==

Caliber 3155 introduces double quickset (day and date both indexed from the crown). The 18238 takes the 36mm Day-Date through the 1990s.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Material !! Key distinction
|-
| 18238 || 1988–2000 || cal 3155 || 18k yellow gold || Double quickset on the 36mm President. Transition reference before the 118238 takes the case forward into the 6-digit era.
|-
| 18239 || 1988–2000 || cal 3155 || 18k white gold || White-gold sibling.
|-
| [[Reference:18248|18248]] / 18249 || 1988–2000 || cal 3155 || bark || Bark-finish (écorce) bezel and bark center links — the cal-3155 successor to the 18078. The diamond-bezel cal-3155 references are the [[Reference:18348|18348]] / 18349.
|-
| [[Reference:18348|18348]] / 18349 || 1988–2000 || cal 3155 || diamond || Factory diamond-set bezel; white gold 18349 (often Tridor), platinum 18346.
|-
| [[Reference:18208|18208]] / 18209 || 1988–2000 || cal 3155 || smooth || Plain polished bezel, the understated outlier; the platinum smooth is the ice-blue 18206.
|-
| 18078 / 18079 carryover || — || — || — || Bark-finish siblings continued from the 5-digit era.
|}

== 6-digit era (2000–2019) ==

The 118 generation refines the case and bracelet — broader lugs, solid centre links, concealed Crownclasp. Parachrom Blu hairspring rolls in from 2005; engraved rehaut from 2006–07. The 118238 closes the 36mm Day-Date era in 2019 before the 128238 takes over with the cal 3255.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Material !! Key distinction
|-
| [[Reference:118238|118238]] || 2000–2019 || 18k yellow gold || Volume reference of the 6-digit generation. Cal 3155, fluted bezel, President. The last 36mm yellow-gold Day-Date before the 128238.
|-
| 118239 || 2000–2019 || 18k white gold || White-gold sibling on the President.
|-
| [[Reference:118208|118208]] || 2000–2019 || 18k yellow gold || Smooth/domed bezel; offered on President or Oyster bracelet. The understated sleeper; value in the dial (stone dials).
|-
| [[Reference:118138|118138]] || 2013–2019 || 18k yellow gold || Fluted bezel on a leather strap (gold deployant) — the dressiest, lightest and most affordable gold Day-Date; cognac/green dials.
|-
| [[Reference:118235|118235]] || 2005–2019 || 18k Everose || Everose launches 2005; the 118235 carries it on the President, best known for the chocolate dial.
|-
| 118205 || 2005–2019 || 18k Everose || Smooth bezel + Oyster bracelet — the casual-aesthetic outlier in the President family.
|-
| 118206 || 2000–2019 || 950 platinum || Smooth domed bezel, President. Ice-blue dial is the platinum signature.
|-
| 118138 / 118135 / 118139 || 2013–2019 || gold || Basel 2013 leather-strap subset (yellow / Everose / white).
|}

== Day-Date II (2008–2015) ==

The 41mm successor — the only Day-Date to break the 36mm Oyster envelope. Caliber 3156 scales the day-and-date module for the wider case.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Material !! Notes
|-
| 218238 || 2008–2015 || 18k yellow gold || Day-Date II yellow gold, cal 3156, 41mm.
|-
| 218239 || 2008–2015 || 18k white gold || White-gold sibling.
|-
| 218235 || 2008–2015 || 18k Everose || Everose Day-Date II.
|-
| [[Reference:218206|218206]] || 2008–2015 || 950 platinum || Platinum Day-Date II — the ice-blue "President's President"; smooth bezel only.
|}

== Oysterquartz Day-Date (1977–2001) ==

The quartz outlier. Cal 5055 quartz movement in the integrated-bracelet OQ case — Rolex's only quartz Day-Date.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Material !! Notes
|-
| 19018 || 1977–2001 || 18k yellow gold || Oysterquartz Day-Date, cal 5055, integrated Oyster bracelet.
|-
| 19019 || 1977–2001 || 18k white gold || White-gold Oysterquartz Day-Date.
|}

== Movement progression ==

{| class="wikitable"
|-
! Caliber !! Era !! Frequency !! Quickset !! Used in !! Notes
|-
| 1055 (original) || 1956–57 || 18,000 vph || none || 6510, 6511 || First day-and-date caliber. Gradual changeover at midnight. No Microstella balance; no SCOC.
|-
| 1055 (upgraded) || 1957–59 || 18,000 vph || none || 6611, 6612, 6613, 6611B, 6612B || Free-sprung Microstella balance and SCOC certification added. Same caliber number.
|-
| 1555 || 1959 to c. 1965 || 18,000 vph || none || 1803, 1804, 1806, 1807, 1811 (early) || Cal 1055-derived. Day-and-date complication carried forward.
|-
| 1556 || c. 1965 to 1977-78 || 19,800 vph || none || 1803, 1804, 1806, 1807, 1811 (mid-and-late) || Higher frequency. Hacking seconds added 1972 (mid-production, not at caliber change).
|-
| 3055 || 1977–1988 || 28,800 vph || single (date only) || 18038 and siblings || First Day-Date with quickset. Sapphire crystal era. Day still requires running hands through midnight.
|-
| 3155 || 1988–2019 || 28,800 vph || double (day + date) || 18238, 118238 and siblings || Double quickset — both day and date indexed independently from the crown. The longest-running Day-Date caliber.
|-
| 3156 || 2008–2015 || 28,800 vph || double || 218238 Day-Date II || 41mm scaled version of the 3155.
|-
| 5055 || 1977–2001 || quartz 32,768 Hz || double || 19018, 19019 Oysterquartz || Quartz caliber, integrated-case Oysterquartz.
|}

== Special branches ==

Three institutional and retailer-signed branches drive the headline auction record across the Day-Date line.

* '''Khanjar Oman / Sultan Qaboos''' — crossed sheathed khanjar daggers, sometimes under a kuma hat, in red, white, green, or gold (the Omani flag colours). Commissioned through Sultan Qaboos bin Said (reigned 1970–2020). Surfaces on 1803 and later references, frequently with Asprey crossed-swords retailer marks and Khimji Ramdas (KR) Muscat distribution.
* '''Tiffany & Co. double-signed''' — production through the late 1970s on the 1803 and into the 1980s and 1990s on subsequent references. Trade premium 2 to 3 times standard equivalents.
* '''Nasser–Sadat / presidential provenance''' — the headline lot in the modern Day-Date market. Sotheby's New York Important Watches December 2024 sold Gamal Abdel Nasser's 1803 (yellow gold, champagne "claw" dial with Arabic day-and-date discs, caseback engraved "Mr Anwar El Sadat 26-9-1963" — a gift from Sadat to Nasser) for USD 840,000 against a USD 30,000–60,000 estimate. Other documented presidential / public-figure wearers per Sotheby's collector guide: Lyndon B. Johnson (the president who gave the line its "President" advertising nickname from 1966 onward), Tom Landry, Jack Nicklaus, Chris Evert, Andy Warhol.

== Notable misattributions ==

The Marlon Brando "Apocalypse Now" Rolex is a [[Reference:gmt-master|GMT-Master]] 1675, not a Day-Date. Phillips New York "Game Changers" December 10 2019 sold it for USD 1.95 million with the bezel removed by Brando on set and "M. Brando" hand-engraved on the caseback. Any source attributing Brando to the Day-Date has the reference wrong.

The Eisenhower-and-Day-Date claim in casual press is similarly misattributed. Eisenhower's documented Rolex is a yellow-gold Datejust ref 6305, gifted to him in 1951 — five years before the Day-Date even existed.

== Related families ==

* [[Reference:submariner|Submariner]] — the dive line. Shares 1500-family movement architecture with the early Day-Date through the cal 1556 era; diverges at the cal 30xx generation.
* [[Reference:gmt-master|GMT-Master]] — the pilot line. The 1675 carries the same cal 1575 base movement as the early Sea-Dweller and shares 1500-family lineage with the early Day-Date.
* [[Reference:bubbleback|Bubbleback]] — the parent Oyster Perpetual line that the Day-Date inherits the rotor automatic from.

[[Category:Day-Date]]
[[Category:Family Index]]

Reference:comex

2026-06-29T01:23:56Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex COMEX}}
{{#seo:
|title=Rolex COMEX — Sea-Dweller & Submariner Dive History | BezelBase
|description=The Rolex COMEX program is the institutional Submariner / Sea-Dweller branch supplied to Compagnie Maritime d'Expertises in Marseille between 1971 and 1997. Seven references issued (5513, 5514, 1665, 16660, 16800, 16600, 16610), the dedicated 5514 with helium escape valve, and the program's authentication framework anchored on caseback engravings, dial logos, and COMEX issue numbers.
|keywords=Rolex COMEX, COMEX Submariner, COMEX Sea-Dweller, 5514, 1665 COMEX, 16660 COMEX, 16610 COMEX, helium escape valve, Henri Delauze, saturation diving, COMEX 377, COMEX 850, COMEX 878
|image=Comex 5514 hero.webp
|image_alt=Rolex 5514 COMEX Submariner — Maurice Bessard, COMEX 850
|type=Article
|og_type=article
|published_time=2026-04-30T03:30:44Z
|modified_time=2026-06-29T01:22:34Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> '''COMEX'''

= Rolex COMEX =

The COMEX-issued Rolex is the institutional dive-watch branch that sits adjacent to the retail Submariner and Sea-Dweller, supplied by Rolex to Compagnie Maritime d'Expertises in Marseille between roughly 1971 and 1997 for working saturation divers. It is not a single reference. It is an issue program that touched seven Rolex references over a quarter-century, with caseback engravings, dial logos, and serialised diver numbers that distinguish each watch from its retail counterpart. The 5514 was built as a dedicated COMEX product. The 5513, 1665, 16660, 16800, 16600, and 16610 were retail references modified or marked at supply for COMEX issue.

COMEX itself was a French commercial saturation-diving outfit founded by Henri Delauze in 1962, headquartered in Marseille, supplying divers to the offshore oil and gas industry through the boom years of North Sea, West African, and Persian Gulf field development. COMEX divers worked at depths and durations beyond the reach of conventional military or sport divers, living for days or weeks in hyperbaric chambers pressurised with helium-bearing breathing gases. The watches Rolex supplied to COMEX were tools for that work; their helium escape valves, caseback engravings, and dial logos all trace back to the practical demands of saturation diving rather than to retail product strategy.

[[File:Comex 5514 hero.webp|thumb|right|250px|alt=Rolex 5514 COMEX Submariner — Maurice Bessard, COMEX 850|Rolex 5514 COMEX Submariner, formerly the property of COMEX agent Maurice Bessard (case 4,462,758, COMEX issue 850), circa 1977. Sotheby's Important Watches, Hong Kong, April 2021, lot 2140.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| program client
| Compagnie Maritime d'Expertises (COMEX), Marseille
|-
| founder
| Henri Germain Delauze (1962)
|-
| Rolex supply window
| circa 1971 to 1997
|-
| total references issued
| seven (5513, 5514, 1665, 16660, 16800, 16600, 16610)
|-
| dedicated COMEX reference
| 5514 only
|-
| signature features
| COMEX-printed dial logo (red or white), caseback engraving with COMEX issue number, helium escape valve on Sea-Dwellers and 5514
|-
| issue numbering
| sequential COMEX-issued diver number, engraved on caseback ("Rolex COMEX [number]")
|-
| supply tail
| Rolex wound down direct supply in the mid-1990s; a final batch of 16610 examples surfaced from a later cache
|}

==Where COMEX sits in the line==

The Submariner and Sea-Dweller went to retail through Rolex's standard distribution; the COMEX branch went to a single institutional client through a parallel supply channel for working professional use. Casebacks were Rolex-engraved at the factory before delivery to COMEX in Marseille, where the watches were issued to individual divers and recorded in COMEX's own service log. Periodic six-month service intervals brought the watches back to Rolex through the program's lifespan, which is why so many surviving COMEX examples carry service-replacement dials, hands, or movement parts that diverge from original-delivery configuration.

The COMEX branch is closer in spirit to the British Royal Navy 5517 MilSub branch than to the retail Submariner: a small, traceable issue run with a defined client, period documentation, and an authentication framework anchored on caseback engravings and program records. The two branches went to different worlds. MilSub examples went to combat divers in the SBS and SAS at relatively shallow operational depths; COMEX examples went to commercial saturation divers working oilfield infrastructure at depths where helium permeation and decompression physics drive the design.

==Issue timeline==

Rolex's COMEX supply spans four broadly distinguishable eras across roughly 25 years. The reference matrix below captures the references issued in each era and the dominant configurations.

{| class="wikitable"
|-
! Era
! Span
! References issued
! Signature configuration
|-
| Prototype and early issue
| 1970–1972
| 5513 (modified, helium escape valve)
| Modified 5513 cases with experimental helium escape valves; small unnumbered or low-double-digit issue numbers; non-logo or early COMEX-stamped dials
|-
| First production wave
| 1972–1978
| 5514, 1665
| Dedicated 5514 reference codifies the Submariner-with-HEV product; 1665 Sea-Dweller carries its own COMEX dial-print and caseback variant in parallel; issue numbers run into the high-three-digit range
|-
| Five-digit transition
| 1978–1989
| 16660, 16800
| Sapphire crystal, 1220m / 4000ft Sea-Dweller depth rating on the 16660; matte-to-gloss dial transition; later batches carry the white-text COMEX logo
|-
| Final issue and tail
| 1989–1997
| 16610, 16600
| Submariner Date 16610 enters COMEX issue at the end of the supply relationship; small known cohort; issue tapered as Rolex wound down the supply program in the mid-1990s
|}

The 5514 is the only Rolex reference assigned a number specifically for COMEX; every other reference in the program is a retail reference modified, marked, or numbered at supply rather than designed from scratch as a COMEX product. The 5513 COMEX is itself two distinct populations: the 1970–1971 prototype watches that pre-date the dedicated 5514 and carry experimental HEV cases, and the standard 5513 (no HEV) examples issued to COMEX divers for shallower work where saturation gas mixes were not in play.

==The references in the program==

===5513 COMEX===

The 5513 COMEX is the earliest COMEX-issued Submariner. The Antiquorum Geneva 144-323 lot (2006) documents the prototype configuration on case 2,833,552, COMEX No. 24, autumn 1970: a 5513 case with experimental helium escape valve, COMEX-logo matte dial, and 9315 folded-link Oyster bracelet. Beyond the prototype run, standard 5513 COMEX examples without HEV were issued to COMEX divers through the early-to-mid 1970s for shallower duties where gas-mix saturation was not a factor. The COMEX dial logo appears in both red and white printing across the 5513 run, with the red logo reading as the earlier configuration. See the dedicated [[Reference:5513|5513]] article for the broader 5513 dial map and production outline; the COMEX branch is one of several issue-specific 5513 sub-populations.

===5514===

The 5514 is the only Rolex reference number assigned specifically for COMEX. Production ran from circa 1972 to 1978 across documented major-house lots and specialist research; total program output is contested between the often-repeated "approximately 154" figure and Corrado Mattarelli's specialist reading of at least three production batches with distinct caseback engraving sizes. The 5514 carries a 5513-derived case modified with a Rolex-designed helium escape valve at 9 o'clock, caliber 1520 movement, and "COMEX" caseback engraving with a sequential issue number running into the high-800s by 1977. Inner casebacks are stamped 5513 — the 5514 designation appears between the lugs and on the outer caseback only. The dedicated [[Reference:5514|5514]] article carries the full dial map, caseback evolution, ARA Argentine Navy variant, and lot-by-lot auction record.

===1665 COMEX===

The 1665 Sea-Dweller went to COMEX with its own dial logo and caseback engraving from the early 1970s. The COMEX 1665 carries the standard 1665 Sea-Dweller architecture — gas-tight 200m / 1220m construction, helium escape valve at 9 o'clock from the production debut, "Submariner 2000" or "Sea-Dweller Submariner 2000" dial text — supplemented by COMEX dial print and caseback issue number. Two distinct COMEX-1665 dial configurations are documented across the run: an early "Double Red" Sea-Dweller layout with red "Sea-Dweller Submariner 2000" text and the COMEX block above 6 o'clock, and a later white-text-only configuration. The dedicated [[Reference:1665|1665]] article carries the broader 1665 production outline; the COMEX 1665 is one of two main institutional 1665 branches alongside the standard retail Sea-Dweller.

===16660 COMEX===

The 16660 — Sea-Dweller "Triple Six" — entered COMEX issue around 1979 as the sapphire-crystal successor to the 1665. The 16660 introduced the 1220m / 4000ft depth rating, the larger 25-jewel caliber 3035, and the matte-to-gloss dial transition that runs through the early 1980s. COMEX 16660 examples carry a white-text COMEX logo above 6 o'clock on a glossy black dial with white-gold surrounds. Caseback engraving follows the 1665 COMEX format, with a sequential issue number that picks up from the 1665 run rather than restarting. See the dedicated [[Reference:16660|16660]] article for the broader 16660 production outline.

===16800 COMEX===

The 16800 Submariner Date is the rarest COMEX configuration on a Submariner-Date case. Documentation of 16800 COMEX examples is thin in published auction-house literature; the configuration surfaces occasionally with COMEX dial print and caseback engraving but exact issue counts have not been consolidated in primary sources. Bonhams and Antiquorum lot text from the late 2000s and 2010s document a small number of confirmed examples. Treat 16800 COMEX provenance with high authentication scrutiny given the scarcity of published references against which to cross-check issue numbers and caseback formatting.

===16600 COMEX===

The 16600 Sea-Dweller succeeded the 16660 in 1989 with the upgraded caliber 3135 and reverted depth marking. COMEX 16600 examples are relatively well-documented compared to the 16800; Phillips and Sotheby's lots from the 2010s establish issue numbers running into the low-to-mid three-digit range during the early 1990s phase of the supply relationship. See the dedicated [[Reference:16600|16600]] article for the broader 16600 reference outline.

===16610 COMEX===

The 16610 Submariner Date is the final COMEX-issued reference, with a small cohort issued in the mid-1990s before Rolex wound down the supply program. Surviving 16610 COMEX examples carry the white-text COMEX logo at 6 o'clock and caseback engraving in the late-format "wrap-around" style established on the 5514 from 1975 onward. A late batch surfaced after Rolex had ended direct supply, prompting authentication scrutiny among specialists; the consensus reading is that the late-batch caseback engravings were executed by Rolex during a final program-windup pass rather than aftermarket. See the dedicated [[Reference:16610|16610]] article for the broader 16610 reference outline.

==Caseback engraving and dial logo==
[[File:Comex 5514 caseback-engraving.webp|thumb|right|250px|alt=COMEX 850 caseback engraving wrap-around format|"ROLEX / COMEX 850" caseback engraving in the wrap-around format used on mid-period 5514s.]]
[[File:Comex 5514 caseback-detail.webp|thumb|right|220px|alt=COMEX 850 caseback close-up|Caseback close-up: COMEX 850, the issue number that ties the watch to its diver. Sotheby's Hong Kong, April 2021, lot 2140.]]

[[File:Comex 5514 helium-valve-profile.webp|thumb|right|220px|alt=5514 helium escape valve at 9 o'clock|The 5514 carries a one-way helium escape valve at 9 o'clock — the feature that defines the COMEX-specific reference. Sotheby's Hong Kong, April 2021, lot 2140.]]

The COMEX caseback evolves through three documented engraving styles across the program lifespan, all factory-engraved by Rolex rather than by COMEX in the field.

The early straight-line format runs from the prototype era through approximately 1975: "Rolex COMEX" written in straight lines across the caseback with a small or medium issue number stacked beneath. The watch identifier ("Submariner 2000" on the 1665, the reference number between the lugs on the 5514) is engraved in the standard position; the COMEX block sits below.

The mid-1970s wrap-around format introduces "Rolex Comex" curved around the caseback edge with a deeply engraved issue number — the so-called "Big Numbers" caseback, canonical on Antiquorum 2025 lot 383-172 (COMEX 878, 1977). The shift from straight-line to wrap-around runs roughly 1975 onward across both Submariner and Sea-Dweller cases.

The five-digit-era format on the 16660, 16800, 16600, and 16610 retains the wrap-around layout but tightens the engraving depth and font. Late-program 16610 examples carry the cleanest wrap-around format, with issue numbers in the three-digit range despite the program's quarter-century span — an indication that issuance was per-watch and per-diver rather than per-batch, with reissues and reassignments documented in COMEX's own service log.

The dial logo runs in two main configurations: red printing on early matte dials (1972 through approximately 1977) and white printing on later glossy dials (mid-1970s onward through the program's end). The transition is not clean: red and white logos coexist across the late 1970s and into the early 1980s on the 1665 and 5514. Service-replacement dials issued by Rolex during the program's lifespan are common on surviving examples; a service-replaced non-logo dial on a watch with documented COMEX issue number is plausible service work, not a fake, but it is not the original-delivery configuration.

==Movements==

The COMEX program spans every major Submariner and Sea-Dweller movement of the era. The 5513 prototypes and the 5514 carry caliber 1520, the long-run non-chronometer caliber that powers the standard 5513. The 1665 carries the 1575 (Sea-Dweller chronometer-track) through its production span. The 16660 introduces the 25-jewel 3035 with the 1979 reference debut; the 16600, 16800, and 16610 carry the 3135 from 1988 onward. Service-replacement movements are documented across all references; a 5514 with a caliber 1570 movement is typically a service swap rather than original-delivery configuration, and the same logic applies to 3035-to-3135 swaps on five-digit references.

==Authenticating a COMEX==

COMEX is among the most-faked Rolex variants. The combination of small documented populations, factory-engraved casebacks executed at Rolex itself, and the availability of unmodified retail-spec donors in the same case shapes makes the standard 5513 / 1665 / 16610 case fitted with a forged COMEX caseback the canonical fake. The authentication framework rests on five anchors.

Caseback engraving font, depth, and layout must track the period: early straight-line versus mid-period wrap-around versus late-program tight-engraved. A 1975-or-later case fitted with an early straight-line caseback (or vice versa) is a swapped or refurbished part. Mattarelli's specialist research documents three engraving sizes overall (small / medium / large), with the size correlating to production batch.

Mid-case serial must match the serial engraved inside the caseback lid on documented examples. Rolex marked many program watches with the matching mid-case serial inside the lid for special-order traceability; mismatch on a watch claiming COMEX provenance is fatal.

Inner caseback markings differ from the outer engraving. On the 5514, the inner caseback stamps 5513, not 5514, because the 5514 designation appears between the lugs and on the outer engraving only. Any inner-caseback 5514 stamp is a forgery flag. On the 1665 and later Sea-Dwellers, the inner caseback follows the standard reference-specific stamping.

COMEX issue number plausibility against the known issue bands documented in major-house lot text matters: COMEX 24 carries an autumn 1970 prototype configuration; COMEX 233 carries early-1970s caseback; COMEX 377 sits in the mid-1970s; COMEX 850 and 878 carry the 1977 "Big Numbers" wrap-around. A claimed COMEX 200 with late-program wrap-around engraving is incoherent.

External validators include Henry Hudson letters from Rolex Bexley UK (no longer issued, confirms caseback engraving and COMEX issue) and Henry Huet (HH) letters from the COMEX organisation itself (Huet was a senior figure in COMEX's diving operations). The two are different documents from different sources and serve different authentication purposes; a Huet letter ties a watch to specific period COMEX service rather than to Rolex caseback authentication. Forgeries of the documents themselves are a separate concern and have surfaced in the market.

Forensic researcher Jose Pereztroika (Perezcope) has published several deep dives on COMEX caseback execution; the published forensic literature on COMEX rests primarily on Mattarelli, Perezcope, and the catalog essays from Phillips and Antiquorum specialists rather than on Rolex factory documentation, which is not publicly available for the program.

==Auction record==
[[File:Comex 5514 bessard-papers.webp|thumb|right|220px|alt=COMEX 850 accessories: Bessard ID card and Rolex France service receipt|COMEX accessories that anchor a watch to its diver: Maurice Bessard's COMEX agent card (no. 16.0554) and a Rolex France service receipt signed by Bessard.]]

Major-house lots establish the COMEX market spine. The lots below are documented in published auction-house catalog text and represent the most significant landmark and reference-band sales.

{| class="wikitable"
|-
! Sale
! Lot
! Year
! Reference / COMEX no.
! Configuration
! Hammer
|-
| Phillips Geneva, "An Evening of Rare Watches"
| CH-085
| 2018
| 5514 / 377
| 1975 matte black COMEX-logo, 9315 bracelet, Henry Hudson letter
| CHF 1,332,500
|-
| Phillips Geneva
| CH080215/145
| 2015
| 5514 / 446
| 1974 non-logo, "Cuerpo Infanteria" Argentine Navy joint
| CHF 52,500
|-
| Phillips Geneva, "Daytona Ultimatum"
| various COMEX lots
| 2018
| 5514 and 1665 examples
| mixed-period cases including ARA-engraved 5514
| multiple six-figure CHF results
|-
| Sotheby's Hong Kong
| HK Important Watches 2021
| 2021
| 5514 / 850
| 1977 matte COMEX-logo, Maurice Bessard provenance
| HKD high-six-figure
|-
| Sotheby's Important Watches
| London 2018
| 2018
| 1665 "Great White" / COMEX-issued
| 1977 white-text COMEX dial, Sea-Dweller caseback engraving
| GBP 220,000+
|-
| Sotheby's Important Watches
| New York 2023
| 2023
| 5514 / case 4,089,906
| service-replaced non-logo dial on documented COMEX issue
| USD high-five-figure
|-
| Antiquorum Geneva
| 144-323
| 2006
| 5513 / COMEX 24 (prototype)
| 1970 case 2,833,552, COMEX-logo matte, Fliplock 9315, earliest documented COMEX
| CHF 76,700
|-
| Antiquorum New York
| 223-373
| 2009
| 5514 / no logo (prototype batch ~20)
| 1972 case 3,804,841, non-logo painted indexes
| USD 72,000
|-
| Antiquorum Monaco
| 383-172
| 2025
| 5514 / 878
| 1977 "Big Numbers" wrap-around caseback
| CHF six-figure
|-
| Bonhams London
| 16228/302
| 2008
| 5514 / 763
| 1976 case 5,230,248, COMEX 660ft=200m, Middle East Safety Department log books
| est. GBP 50,000–70,000
|-
| Bonhams London
| 23511/43
| 2016
| 5514 / 723
| c.1975 case / 1977-78 issue, COMEX matte, 93150 K3 clasp
| GBP 72,100
|-
| Bonhams London
| 30667/69
| 2018
| 5514 / 233
| Colin Beard provenance, c.1971 case + later service
| GBP 50,000+
|-
| Christie's Geneva, Important Watches
| 2014
| 2014
| 1665 COMEX double-red
| Sea-Dweller Submariner 2000 layout, COMEX dial print
| CHF 200,000+
|}

The CHF 1.33M Phillips 2018 result on COMEX 377 is the program record at public auction. The 1665 COMEX with double-red dial and matched papers has hammered consistently in the GBP 200,000-plus range across the 2014–2024 period, while the 5514 spread runs from roughly USD 50,000 for service-heavy late-program examples through seven figures for the strongest provenance. ARA-engraved 5514 examples, of which 16 were issued to Argentine Navy divers training at the COMEX Marseille facility in 1977, command a separate premium and surface less frequently than standard COMEX 5514 examples.

==Henri Delauze and the program tail==

Henri Germain Delauze founded Compagnie Maritime d'Expertises in Marseille in 1962, building it into the dominant European commercial saturation-diving operator of the offshore-oil boom. COMEX's diving research arm conducted the deep-saturation experiments — Janus, Hydra, Physalie — that pushed working diving depths toward and beyond 500 metres in the 1970s and 1980s. The Rolex supply relationship spanned most of that arc.

Delauze died in February 2012. COMEX wound down its commercial diving operations through the 2010s and exited oilfield work; the corporate entity continues today in offshore marine engineering rather than human saturation diving. The Rolex supply program ended in the mid-to-late 1990s, with the 16610 issue closing out the institutional relationship. Surviving program documents — the COMEX service logs, diver assignment records, and the Henry Huet letters — sit primarily in private specialist archives rather than in public corporate hands, which is one reason the published forensic literature on COMEX rests so heavily on auction-house catalog work rather than on factory or program records.

== Sources ==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://www.phillips.com/detail/rolex/NY080222/153 Phillips watches department, "Phillips New York Watch Auction SIX, lot 153 — Rolex Submariner Ref. 5514 COMEX No. 377", Phillips, 2022]
* [https://www.phillips.com/auctions/auction/CH080118 Phillips watches department, "Phillips Geneva Daytona Ultimatum — COMEX context lots and catalog essay", Phillips, 2018]
* [https://www.phillips.com/detail/rolex/CH080215/145 Phillips watches department, "Phillips Geneva — Rolex 5514 COMEX 446 Cuerpo Infanteria Argentine Navy joint variant", Phillips, 2015]
* [https://www.phillips.com/article/91552127 Phillips watches department, "Phillips MilSub and COMEX discovery essay", Phillips, 2019]
* [https://www.sothebys.com/en/buy/auction/2021/important-watches-hong-kong Sotheby's watches department, "Sotheby's Hong Kong Important Watches — Rolex 5514 COMEX 850 Maurice Bessard", Sotheby's, 2021]
* [https://www.sothebys.com/en/auctions/2018/important-watches-l18068 Sotheby's watches department, "Sotheby's London — Rolex 1665 Great White COMEX-issued Sea-Dweller", Sotheby's, 2018]
* [https://www.sothebys.com/en/buy/auction/2023/important-watches-ny Sotheby's watches department, "Sotheby's Important Watches NY — 5514 COMEX with service-replaced non-logo dial (case 4,089,906)", Sotheby's, 2023]
* [https://www.antiquorum.com/auctions/important-collectors-wristwatches-pocket-watches-and-clocks-geneva-2006 Antiquorum watches department, "Antiquorum Geneva lot 144-323 — Rolex 5513 COMEX No. 24 prototype (autumn 1970, case 2,833,552)", Antiquorum, 2006]
* [https://www.antiquorum.com/auctions/monaco-2025 Antiquorum watches department, "Antiquorum Monaco lot 383-172 — Rolex 5514 COMEX 878 Big Numbers caseback (1977)", Antiquorum, 2025]
* [https://www.antiquorum.com/auctions/important-collectors-wristwatches-new-york-2009 Antiquorum watches department, "Antiquorum NY lot 223-373 — Rolex 5514 prototype-batch no-logo (1972, case 3,804,841)", Antiquorum, 2009]
* [https://www.bonhams.com/auctions/16228/lot/302 Bonhams watches department, "Bonhams London lot 16228/302 — Rolex 5514 COMEX 763 (1976, Middle East Safety Department log books)", Bonhams, 2008]
* [https://www.bonhams.com/auctions/23511/lot/43 Bonhams watches department, "Bonhams London lot 23511/43 — Rolex 5514 COMEX 723 (1975 case / 1977-78 issue)", Bonhams, 2016]
* [https://www.bonhams.com/auctions/30667/lot/69 Bonhams watches department, "Bonhams London lot 30667/69 — Rolex 5514 COMEX 233 (Colin Beard provenance)", Bonhams, 2018]
* [https://www.christies.com/en/auction/important-watches-geneva-2014 Christie's watches department, "Christie's Geneva Important Watches — Rolex 1665 COMEX double-red Sea-Dweller", Christie's, 2014]
* [https://www.hodinkee.com/articles/a-brief-history-of-rolex-and-comex Jason Heaton, "Hodinkee — A Brief History of Rolex and COMEX", Hodinkee, 2014]
* [https://www.hodinkee.com/articles/rolex-sea-dweller-reference-points Hodinkee, "Hodinkee Reference Points — Understanding the Rolex Sea-Dweller", Hodinkee, 2018]
* [https://www.hodinkee.com/articles/rolex-submariner-reference-points Stephen Pulvirent, "Reference Points: Understanding The Rolex Submariner", Hodinkee, 2019-07-18]
* [https://monochrome-watches.com/rolex-comex-submariner-sea-dweller-history/ Monochrome, "Monochrome — Rolex COMEX Submariner and Sea-Dweller feature", Monochrome, 2017]
* [https://www.windvintage.com/journal Eric Wind, "Wind Vintage — COMEX provenance and the Submariner / Sea-Dweller branch", Wind Vintage, 2020]
* [https://www.lemondeedmond.com Le Monde Edmond, "Le Monde Edmond — 1665 COMEX coverage", Le Monde Edmond, 2017]
* [https://perezcope.com Jose Pereztroika, "Perezcope (Jose Pereztroika) — COMEX caseback forensics", Perezcope, 2021]
* [https://revolutionwatch.com Corrado Mattarelli, "Revolution — Corrado Mattarelli on the Rolex 5514 COMEX", Revolution, 2018]
* [https://www.comex.fr/about COMEX, "Compagnie Maritime d'Expertises — corporate history 1962-2012", COMEX, 2012]
* [https://www.lemonde.fr/disparitions/article/2012/02/16/henri-germain-delauze-fondateur-de-la-comex_1644240_3382.html Le Monde, "Le Monde — Henri-Germain Delauze obituary (2012)", Le Monde, 2012]
* [https://divernet.com Divernet, "Divernet — COMEX and saturation diving history", Divernet, 2015]
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ Tom Mulraney, "History of the Rolex Submariner - Part 2, The 55XX References and 1680 Date", Monochrome, 2020-08-19]
* [https://www.sothebys.com/en/articles/how-to-start-collecting-the-rolex-submariner Stephen Pulvirent, "The Rolex Submariner: A Complete Collector's Guide", Sotheby's, 2025-03-07]

[[Category:Submariner]]
[[Category:Sea-Dweller]]
[[Category:COMEX]]
[[Category:References]]

Reference:bubbleback

2026-06-29T01:23:54Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex bubbleback}}
{{#seo:
|title=Rolex bubbleback — Production, Dial Variants, Serial Ranges | BezelBase
|description=Every Rolex Bubbleback reference from the 1933 original through the mid-1950s transitional era. Production histories, movement progression, dial variants, and collector context.
|keywords=Rolex Bubbleback, Ovetto, Ovettone, Padellone, Oyster Perpetual, Monoblocco, Submarine Hermetique, 1858, 3131, 3372, 4467, 3666, 6098, 8171, 3525, 3003, 6105, Datejust, Precision, Cal. 520, Cal. 620, Cal. 630, Cal. 1030, vintage Rolex, collector guide
|image=Bubbleback_vintage_poster.webp
|image_alt=Vintage Rolex Bubbleback — the Oyster Perpetual with the domed caseback, produced 1933 through the mid-1950s
|type=Article
|og_type=article
|published_time=2026-04-17T21:11:45Z
|modified_time=2026-06-29T01:22:31Z
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= Rolex Oyster & Bubbleback =

The Bubbleback is Rolex's first Oyster Perpetual family. The automatic rotor was too thick for a flat case, so Rolex domed the caseback over the movement and created the profile collectors now call Bubbleback. Production runs from 1933 into the mid-1950s, ending when cal. 1030 makes a flat back possible. Italian collectors call the standard 32mm case Ovetto and the 36mm cases Ovettone.

[[File:Bubbleback_vintage_poster.webp|thumb|center|500px|alt=Vintage Rolex Bubbleback — the Oyster Perpetual with the domed caseback, produced 1933 through the mid-1950s|Vintage Rolex Bubbleback — the Oyster Perpetual with the domed caseback, produced 1933 through the mid-1950s]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a first-generation Bubbleback?'' '''[[Reference:1858|1858]]''' — the first Bubbleback. Cal 520 with the full 360-degree rotor, the Didactic engravings in French on the movement plate, and the four-piece case form.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a two-piece case Bubbleback?'' '''[[Reference:3131|3131]]''' — first two-piece case Bubbleback. The 1936 case simplification, precious-metal only (9K, 14K, 18K yellow and pink gold), Cal 620 with sub-seconds.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Working from a Luxury Model dial photo?'' '''[[Reference:3372|3372]]''' — the catalogue flagship. Engine-turned bezel, Cal 630 sweep seconds, and the widest dial variety of any Bubbleback — California, sector, salmon, champagne, silvered-gilt all documented.
|}

== Pre-Oyster / Submarine (1922–1926) ==

Before the Oyster was the "Rolex Submarine." Wilsdorf's trademark was registered 31 March 1922, 31 years before the 1953 dive watch. Based on Jean Finger's 1921 Swiss patent for a double-case hermetic design, the inner watch sealed inside an outer protective case with a screw-down bezel. Winding or setting the watch required unscrewing the outer case.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:3666|3666]] || c.1924–1926 || 9¾''' Hunter manual, 15j || 32.35mm hermetic double-case || Finger patent CH 89276; retailed Cargills Ceylon; inner caseback signed W&D; reference later reused in 1940 for Valjoux-22 chronograph (unrelated watch)
|}

== Pre-Perpetual Oyster (1926–1932) ==

Before the Bubbleback, Rolex produced manual-wind Oysters in the 1926 case form. Most carried 10½-ligne or 9¾-ligne Aegler Hunter movements at Prima, Extra Prima, or Ultra Prima grades. Glasgow import hallmarks are common on British-market examples. The movement architecture is traditional manual wind; the case is already recognizably Oyster.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:2136|2136]] || c.1926–1940 || 10½''' Hunter, 15j manual || 32–34mm octagonal / cushion || Early manual-wind gold Oyster; Borgel-lineage three-piece construction; same reference reused c.1960 for a Cal. 1400 Precision
|-
| [[Reference:3003|3003]] · [[Reference:3004|3004]] || 1937+ || 10½''' Hunter / Cal. 700, manual, 15–17j || 33–34mm Oyster || First Rolex "Precision" references; opens the 47-year Oyster Precision line that continues alongside the Perpetual
|}

== Manual-wind Oyster Precision (1939–1948) ==

Manual-wind Oyster Precision references ran in parallel with the automatic Bubbleback through the 1940s. The cases are tonneau or cushion Oysters with the same hermetic screw-back architecture; the difference is the movement, a Hunter-derived manual instead of the Cal. 520 / 620 / 630 rotor automatics that defined the Bubbleback line.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:3139|3139]] || c.1940–1942 || 10½''' Hunter, manual || 32mm cushion Oyster, 3-piece || Only Rolex with "Army" on the dial; cushion case in the Borgel-derived 1920s family; documented British military and civilian examples
|-
| [[Reference:3359|3359]] || c.1939–1947 || 10½''' Hunter, manual || 32mm tonneau Oyster, two-tone SS + pink gold || ''Viceroy''-signed dial; two-tone SS case with pink gold bezel; applied luminous numerals
|-
| [[Reference:4220|4220]] || c.1944–1948 || Cal. 59 manual, 17j || 30mm tonneau Oyster SS || ''Speedking'' line; California dial; the canonical 1940s small-Oyster look on a manual movement
|}

== First Bubbleback (1933–1935) ==

The first production Perpetual. Cal. 520 (Hunter 8¾''') with a full 360-degree rotor. Early examples carry the Didactic engravings: step-by-step service instructions in French cut directly into the movement plate because no watchmaker outside Aegler had ever opened a Rolex automatic.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:1858|1858]] || 1933–1935 || Cal. 520, 17j || 32mm tonneau, 3/4-piece || First Bubbleback; Didactic movement; 60% Didactic split across 5 confirmed auction lots
|}

== Two-piece case era (1936–1944) ==

In 1936 Rolex simplified the Bubbleback case from the first-generation four-piece architecture to the two-piece form that carried through the rest of the line. Cal. 620 (subsidiary seconds) and Cal. 630 (sweep seconds) became the dominant automatic calibers, developed by Emile Borer at Aegler.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:3131|3131]] || 1936–1948 || Cal. 620, 17j, sub-seconds || 32mm tonneau, 2-piece || First two-piece case Bubbleback; precious-metal only (9K/14K/18K YG & PG)
|-
| [[Reference:3372|3372]] || 1938–1950 || Cal. 630, 17–19j, sweep seconds || 32mm tonneau || "Luxury Model" catalogue flagship; engine-turned bezel; widest dial variety of any Bubbleback (California, sector, salmon, champagne, silvered-gilt)
|}

== First Oyster chronograph (1939–1945) ==

Rolex's first chronograph in the waterproof Oyster case. Italian collectors call it the ''Monoblocco'' (monobloc) or ''Barilotto'' (little barrel) for the case machined from a single billet. British POWs at Stalag Luft III ordered the reference during WWII; Wilsdorf honored the orders, shipped the watches to the camps, and deferred payment until after the war.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:3525|3525]] || 1939–1945 || Cal. 13 (Valjoux 23 VZ) manual chronograph || ~35mm monobloc Oyster SS/gold || First Oyster chronograph; ''Monoblocco''/''Barilotto''; POW watch (Corporal Nutting's serial 185,983 sold £66,000 at Antiquorum 2007); first Rolex sport watch
|}

== First Datejust / Ovettone (1945–1949) ==

The 4467 launched in 1945 to mark Rolex's 40th anniversary. It is the first automatic wristwatch with a date window, the first watch to carry the Jubilee bracelet, and the origin of the fluted Datejust bezel. 36mm case (the "Big Bubbleback"), 18K gold only, about 1,000 units produced with the first 100 sold by souscription through a Swiss newspaper at CHF 975 each.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:4467|4467]] || 1945–1949 || Cal. A.295 (= 740/745), 18j || 36mm 18K YG/PG tonneau, 2-piece || First Datejust; first Jubilee bracelet; first solid end-links; ''Ovettone''; date wheel evolves all-black → all-red → roulette
|-
| [[Reference:5030|5030]] · [[Reference:5031|5031]] || 1948 || Cal. A.295 / 740 || 36mm 18K YG/PG || Early Ovettone Datejusts; small Brevet crown; some late examples mark transition to "Datejust" dial text
|-
| [[Reference:6031|6031]] || 1949 || Cal. A.295 || 36mm 18K PG || Pink-gold 1949 Ovettone; one of four "true Ovettone" references per Le Monde Edmond
|-
| [[Reference:6075|6075]] || 1950 || Cal. A.295 || 36mm 18K YG/PG || Last pre-"Datejust"-text Big Bubbleback
|-
| [[Reference:6105|6105]] || c.1950–1953 || Cal. A.296 || 36mm 18K YG/PG || First Rolex with "Datejust" text on the dial; rare left-handed (destro) variant with crown at 9
|}

== Triple calendar flagship — Padellone (1949–1953) ==

The Bubbleback era's complication flagship. "Padellone" means "big pan" in Italian, an augmentative of ''padella'' ("pan") that follows the same naming logic as Ovetto/Ovettone. Triple calendar (day, month, date) plus moonphase. The Padellone case is not a waterproof Oyster; the calendar mechanism would not fit a screw-down Oyster architecture, so Rolex used a snap caseback.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:8171|8171]] || c.1949–1953 || Cal. A.295 CPL automatic triple calendar moonphase, in-house Aegler || 38mm non-Oyster snap caseback, 18K YG/PG, SS rare || Triple calendar + moonphase; ''Padellone''; ~1,000–1,200 produced; record Christie's NY Dec 2002 "Sleeping Beauty" USD 1,145,000 in SS
|}

== Post-Bubbleback / Super Oyster (1952–1953) ==

The hinge between the Bubbleback era and the professional-family split. Cal. 1030, the first Rolex-designed-from-scratch caliber and a bi-directional automatic, made the flat caseback possible and ended the Bubbleback profile. The 6098 "Super Oyster" carried 60m water resistance into the Oyster Perpetual line, preceding the Submariner by a year and anticipating the sport-watch emphasis Rolex would formalize with the 1953 Explorer, Submariner, and GMT-Master launches.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Case !! Key distinction
|-
| [[Reference:6098|6098]] || 1952–1953 || Cal. 1030 (or A.296), 25j, bi-directional || 36mm Oyster, flat caseback || "Super Oyster" per 1953 Vailati letter; 60m water resistance; pre-Explorer / pre-Submariner ancestor; honeycomb and galaxy dials
|}

== Related references ==

The Bubbleback era connects forward to:
* [[Reference:6098|6098]] — Super Oyster, 60m water resistance (1952), the pre-Explorer and pre-Submariner ancestor
* [[Reference:6150|6150]] — first Explorer (1952)
* [[Reference:6204|6204]] — first Submariner (1953)
* 6305 — first Datejust with Cyclops (1954)
* 6604 and 6605 — first Datejust with instantaneous date change, Cal. 1065 (1956–57)

== Related families ==

* [[Reference:air-king|Air-King]] — the descendant line. The 1945 4925 / 4365 / 4499 originating Air-Kings sit in the same Bubbleback case architecture and run on the same Aegler hand-wound calibers.
* [[Reference:prince|Prince]] — the parallel 1930s line. The Aegler-supplier relationship that powers the Prince also powers every Bubbleback caliber.
* [[Reference:daytona|Daytona]] — the chronograph ancestor. The pre-Daytona Antimagnetique, Monoblocco, and 4xxx tonneau Oyster chronographs share the same era and case lineage.

[[Category:Reference family]]
[[Category:Bubbleback]]

Reference:big-red-daytona

2026-06-29T01:23:51Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex big-red-daytona}}
{{#seo:
|title=Rolex 'Big Red' Daytona — 6263 & 6265 Guide | BezelBase
|description=The Big Red Rolex Cosmograph Daytona 6263 — the standard 6263 dial with DAYTONA printed in red block letters above the 6 o'clock sub-register. Introduced around 1976, default 6263 dial by the early 1980s. Paul Newman's own Big Red 6263 — engraved "Drive slowly Dad" from his daughter Nell — sold at Phillips New York on 12 December 2020 for USD 5,475,000 including premium. Third-most-expensive Rolex at auction on that date.
|keywords=Big Red Daytona, Big Red 6263, Newman Big Red, Rolex Big Red, Paul Newman Drive Slowly Dad, Phillips 2020, Floating Big Red, Small Red
|image=Ref 6263 big-red-hero.webp
|image_alt=Rolex Cosmograph Daytona 6263 Big Red — Newman's 'Drive slowly Dad' example, hammered USD 5.48M Phillips NY 2020
|type=Article
|og_type=article
|published_time=2026-04-19T14:53:16Z
|modified_time=2026-06-29T01:22:29Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:6263|6263]] -> '''Big Red'''

= Big Red Daytona (6263) =

The Big Red is the standard [[Reference:6263|6263]] dial with "DAYTONA" in red block letters above the 6 o'clock sub-register. It appears around 1976 and becomes the default late 6263 dial. Most surviving 6263s carry one of three closely related forms: standard Big Red, Floating Big Red, or Small Red.

Paul Newman's own Big Red 6263 anchors the category. His daughter Nell gave him the watch; the caseback carries the engraving "Drive slowly Dad." It sold at Phillips New York on 12 December 2020 for USD 5,475,000 including premium, third on the all-time Rolex auction list as of that date, behind Newman's own 6239 ([[Reference:paul-newman-daytona|USD 17.52M at Phillips Winning Icons, 2017]]) and the Bao Dai 6062 (USD 5.06M).

[[File:Ref 6263 big-red-hero.webp|thumb|right|250px|alt=Rolex Cosmograph Daytona 6263 Big Red — Newman's 'Drive slowly Dad' example, hammered USD 5.48M Phillips NY 2020|Rolex Cosmograph Daytona 6263 Big Red — Newman's 'Drive slowly Dad' example, hammered USD 5.48M Phillips NY 2020]]

== The three Red variants ==

{| class="wikitable"
|-
! Variant !! Period !! Distinguishing features !! Notes
|-
| Standard Big Red || c.1976–1988 || DAYTONA in red block letters, standard font size, printed immediately above the 6 o'clock sub-register || The default 6263 dial across the bulk of the run. Most populous of the three red variants
|-
| Floating Big Red || c.1976–early 1980s || DAYTONA text sits visibly further from the sub-dial than on standard Big Red — a few millimetres of extra space || Transitional variant. Small-spacing detail, large rarity premium. Surfaces periodically at Phillips and Sotheby's
|-
| Small Red || late 1980s || Same red DAYTONA but rendered in a noticeably smaller font || Late-production sub-variant. Less collected than the other two but documented
|}

Floating Big Red examples sit well above standard Big Red on the rarity ladder, and the Floating Big Red Sigma sits higher again. The Sigma variant pairs the Floating text placement with gold hour markers carrying the discreet sigma symbols at the foot of the dial, the convention used by certain Swiss case-makers to denote solid-gold appliques. Sigma examples appear at the major auction houses intermittently rather than annually, and a clean one commands multiples of a standard Big Red result.

== Newman's Big Red (Phillips New York, December 2020) ==

Two of Newman's personal Daytonas have come to auction. His 6239 MK1, the watch that gave the Paul Newman dial its name, sold at Phillips Winning Icons on 26 October 2017 for USD 17,752,500 and still holds the Rolex auction record. His 6263 Big Red followed three years later.

{| class="wikitable"
|-
! Detail !! Value
|-
| Reference || 6263, stainless steel, Big Red dial
|-
| Sale || Phillips, Game Changers sale, New York
|-
| Date || 12 December 2020
|-
| Price (all-in) || USD 5,475,000
|-
| Caseback engraving || "Drive slowly Dad"
|-
| Provenance || Gifted to Newman by his daughter Nell Newman; part of the Newman family collection
|-
| Position on Rolex auction list (at sale date) || 3rd all-time, behind Newman's 6239 and the Bao Dai Patek/Rolex 6062
|}

The "Drive slowly Dad" engraving is what separates this 6263 from any other standard Big Red. It echoes the "Drive carefully me" engraving Joanne Woodward had put on Newman's 6239 decades earlier, and Phillips's lot essay drew the parallel directly.

As of December 2020, two watches from Newman's personal collection occupied first and third place on the all-time Rolex auction list. Both were gifts. Both carried family engravings. Neither was sold by Newman in his lifetime.

== The market for standard Big Red ==

Setting the Newman example aside, standard Big Red 6263s have appreciated steadily through the 2010s and into the 2020s. The top of the market wants original dials, unpolished or lightly polished cases, period-correct bracelets with matching clasp date codes, and full-set boxes and papers. Refinished cases, service-replacement dials, and mismatched components hammer prices down noticeably.

The Big Red market moves with the broader 6263 market, and the Phillips Daytona Ultimatum sale in May 2018 was the most consequential single reset. Headline lots from that auction (the Unicorn 6265 at CHF 5.9M, the Neanderthal 6240 at CHF 3.0M, the Oyster Sotto 6263 at CHF 1.66M) lifted the auction ceiling for generic clean Big Reds along with everything else 6263-shaped. Before 2018 a clean Big Red traded in the upper five figures into the low six figures. After 2018 the clean end of the market clustered firmly in the six figures.

== Relation to Paul Newman on 6263 ==

The Big Red dial and the Paul Newman dial are distinct categories. A 6263 carries one or the other in standard production, almost never both. The Paul Newman layout (square block hour markers, cross-hairs across the sub-registers, 15/30/45 sub-dial numerals) does not appear with Big Red's block-letter red DAYTONA on factory dials.

The rare exception is a Paul Newman dial sub-variant with red Daytona text, found more often on the 6265 than the 6263, where categorisation has to be settled lot-by-lot. See [[Reference:paul-newman-daytona|Paul Newman Daytona]] for the full Mk1-4 typology.

Newman's own Big Red 6263 sat in the standard category. The dial is a stock 6263 Cosmograph with red DAYTONA, not a Paul Newman / Big Red hybrid.

== Host reference ==

The Big Red dial is documented only on the [[Reference:6263|6263]] case. The metal-bezel [[Reference:6265|6265]] did not receive Big Red dials in standard production. A handful of 6265s with red DAYTONA text have appeared at auction, but they are categorised separately and generally read as later service-replacement dials rather than period Big Red variants.

== Where to go next ==

- [[Reference:6263|Reference 6263]] — full treatment of the host reference including the [[Reference:albino-daytona|Albino 6263]] and [[Reference:paul-newman-daytona|Paul Newman 6263 variants]]
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the other Newman-owned dial category, hosted on the 6239
- [[Reference:daytona-glossary|Daytona glossary]] — definitions for Floating Big Red, Small Red, Sigma dial, and every other named variant

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* Phillips New York, "Game Changers" sale, Lot catalogue for Paul Newman's 6263 Big Red, 12 December 2020
* [https://watchesbysjx.com/2020/12/paul-newman-rolex-daytona-6263-big-red-auction.html Paul Newman's Rolex Daytona 6263 "Big Red" Sells for US$5.48m] — JX Su, SJX, 2020
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona] — Erik Slaven, Monochrome, 2024
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona] — Benjamin Clymer, Hodinkee, 2013

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]

Reference:albino-daytona

2026-06-29T01:23:48Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex albino-daytona}}
{{#seo:
|title=Rolex 'Albino' Daytona — Eric Clapton's 6263 | BezelBase
|description=The Albino Rolex Cosmograph Daytona 6263 — a white-on-white monochromatic dial documented on three examples. Eric Clapton's example traded from USD 50,190 at Christie's in 2003 to USD 952,500 at Sotheby's in 2025. The factory-versus-Tom-Bolt-construction dispute between Hodinkee (2013) and Perezcope (2025) remains unresolved in editorial.
|keywords=Albino Daytona, Albino 6263, Rolex Albino, Eric Clapton Daytona, Tom Bolt, Perezcope Albino, Phillips Clapton, white dial 6263, Rolex Cosmograph Albino
|image=Ref 6263 albino-hero.webp
|image_alt=Albino Rolex Cosmograph Daytona 6263, case 2648447, Sotheby's Abu Dhabi Lot 340, sold USD 952,500 on 5 December 2025
|type=Article
|og_type=article
|published_time=2026-04-19T14:50:57Z
|modified_time=2026-06-29T01:22:26Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:6263|6263]] -> Albino

= Albino Daytona (6263) =

The Albino is a white-on-white dial fitted to the [[Reference:6263|6263]]: silver sub-dials on a white base, with "Rolex Oyster Cosmograph" at 12 and no Daytona line above 6. Three examples are documented. The best-known is Eric Clapton's, which moved from Christie's in 2003 at USD 50,190 to Sotheby's Abu Dhabi in 2025 at USD 952,500. The watch sits at the center of the sharpest authenticity fight in manual-wind Daytona collecting, and that fight is still unresolved.

[[File:Ref 6263 albino-hero.webp|thumb|right|250px|alt=Albino Rolex Cosmograph Daytona 6263, case 2648447, Sotheby's Abu Dhabi Lot 340, sold USD 952,500 on 5 December 2025|Albino Rolex Cosmograph Daytona 6263, case 2648447, Sotheby's Abu Dhabi Lot 340, sold USD 952,500 on 5 December 2025]]

== What the Albino is ==

A white main dial carries silver sub-dials, with no Daytona line above 6 o'clock and printed hour markers in place of the applied block markers used on standard 6263 production. The known watches all pair the pale dial with a similarly pale bezel.

== The three documented examples ==

Three Albino 6263 examples appear in the English-language auction record.

=== Eric Clapton's Albino ===

The most-traded and best-documented example. Clapton's watch has surfaced at four public sales over twenty-two years:

{| class="wikitable"
|-
! Sale !! Date !! Price (USD) !! Notes
|-
| Christie's New York || June 2003 || 50,190 || First public sale. Sold out of Clapton's collection into private hands.
|-
| Sotheby's || 2008 || ~505,000 || Second public sale. About ten-fold appreciation over five years.
|-
| Phillips, Geneva || May 2015 || 1,325,000 CHF (~USD 1.42M) || Third public sale. The 2015 result triggered the first editorial dispute coverage in Hodinkee's contemporaneous reporting.
|-
| Sotheby's Abu Dhabi || 5 December 2025 || 952,500 || Fourth public sale. Lot 340. Drop from the 2015 ceiling reflects the forensic questions Perezcope raised in December 2025 — two days before the Sotheby's sale.
|}

=== The second and third examples ===

Two further Albino examples appear in the literature, usually attributed to John Goldberger's collection. Public documentation on both is thinner than on the Clapton watch.

== The three-way authenticity dispute ==

The Albino is the most contested dial in the manual-wind Daytona category. Three positions sit in the published literature, none of them retracted.

=== Hodinkee (Clymer, 2013) — factory Rolex variant ===

Hodinkee's 2013 position was simple: the Albino was a rare factory Rolex dial, probably Singer-made, fitted to a very small number of 6263 cases. That reading held as the default for about twelve years.

=== Perezcope (December 2025) — Tom Bolt 1990s construction ===

Perezcope's December 2025 dossier argues the Albino is not a factory dial at all, but a late-1990s Tom Bolt construction built from a recovered [[Reference:6238|6238]] silver dial transplanted into a 6263 case. In that reading, 6238 hands had to be used because standard 6263 hands did not fit the recessed sub-dials correctly.

Perezcope also states that Bolt disclosed his role directly to Sotheby's before the sale. Sotheby's still chose the softer catalogue line: origins unknown.

The Perezcope dossier carries specific forensic markers on Sotheby's Lot 340 (case 2648447):

- Discontinued thin-tapered sub-dial hands inconsistent with a 1971 production case
- A high-sitting 30-minute sub-dial hand, mismatched to period-correct fitment
- Plating coming off the screw-down pushers in a pattern that reads as aged fake material rather than original Rolex gold-plated
- The 6238 donor-dial typography visible under magnification

=== Sotheby's Abu Dhabi (December 2025) — "origins unknown" ===

Sotheby's Abu Dhabi sold the third Albino example in December 2025 for USD 952,500. The catalogue described the dial as of unknown origin, declining to endorse either the factory-variant reading or the later-construction reading even after Perezcope had published and Bolt had reportedly briefed the house directly.

== Why the dispute matters ==

Factory variant, late construction, and unresolved origins all stay on the record. The literature has not closed the argument and the market keeps trading the watch regardless, with each subsequent result effectively a buyer's verdict on which reading they accept.

== Relation to other dial variants ==

The Albino sits in its own category. It carries neither the contrasting sub-dials of a Paul Newman nor the heat-shifted patina of a tropical, and the printed markers and missing Daytona line keep it well outside standard 6263 production. The host watches themselves are conventional: period-correct 6263 cases and cal. 727 movements, so what is contested is the dial alone.

== Host reference ==

The Albino is documented exclusively on the [[Reference:6263|6263]] case. No Albino-pattern dials have surfaced on the [[Reference:6265|6265]] (metal-bezel sibling) or any other manual-wind Daytona reference. Every documented Albino carries the acrylic black bezel insert that defines the 6263.

== Where to go next ==

- [[Reference:6263|Reference 6263]] — host reference
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — adjacent exotic-dial category
- [[Reference:daytona-glossary|Daytona glossary]] — quick definitions
- [[Reference:6238|Reference 6238]] — the alleged donor-dial reference

== Source list ==

* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona, Explained] — Benjamin Clymer, Hodinkee, 2013
* [https://perezcope.com/2025/12/03/not-quite-whiter-than-white-the-reality-of-the-rare-rolex-albino-daytona-ref-6263/ Not Quite Whiter Than White: the reality of the rare Rolex Albino Daytona Ref. 6263] — Jose Pereztroika, Perezcope, 3 December 2025
* Phillips Geneva, Auction lot catalogue essay, Daytona Ultimatum, May 2018
* Sotheby's Abu Dhabi, Important Watches sale, Lot 340, 5 December 2025
* Christie's New York, "Watches by Christie's" sale, June 2003
* Sotheby's, Clapton collection re-sale, 2008

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]
[[Category:Disputed variant]]

Reference:971

2026-06-29T01:23:35Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex 971}}
{{#seo:
|title=Rolex Prince 971 — Brancard Art-Deco, 1928–1938 | BezelBase
|description=The Rolex Prince Brancard 971 is the original Brancard — the 1928 launch reference of the rectangular Art-Deco "stretcher" Prince family. Aegler shaped chronometer movements (Cal. 300 / 350 / 360 HW) in Prima, Extra Prima, and Ultra Prima grades. Sub-references 971, 971A (18K Tiger Stripe), 971U (Ultra Prima), 971S, with Zebra (9K bicolor) and Pink Zebra (18K pink+white) variants. Documented in sterling silver, 9K/14K/18K gold, two-tone, stainless steel, and platinum.
|keywords=Rolex, Prince, 971, 971A, 971U, 971S, Brancard, Tiger Stripe, Zebra, Pink Zebra, Aegler, Cal. 300, Cal. 350, Cal. 360, Ultra Prima, Extra Prima, Eaton 1/4 Century Club, vintage, Art Deco, doctor watch, reference guide
|image=Ref 971 hero.webp
|image_alt=Rolex Prince Brancard 971 — Pink Zebra 18K pink and white gold
|type=Article
|og_type=article
|published_time=2026-04-28T05:04:07Z
|modified_time=2026-06-29T01:22:13Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:prince|Prince]] -> '''971'''

The 971 is the original Brancard. Rolex launched the Prince family in 1928 around an Aegler-patented shaped movement, and the 971 is the reference that opened the line: a flared "stretcher" rectangular case (the French word ''brancard'' means stretcher), a duo-dial with an oversized sub-seconds register at six, and a chronometer-grade movement built to compete with the best of Swiss observatory-tested calibers. The watch acquired the "doctor's watch" nickname because the large sub-seconds register made it usable for counting a patient's pulse off the dial. Production runs from a documented 1928 English hallmark through at least 1938, with the larger 1490 Brancard taking over as the headline reference of the line through the mid-1940s. The 971 is rarer than the 1490 and comes in more documented sub-references (971A, 971U, 971S, plus the Zebra and Tiger Stripe bicolor variants).

[[File:Ref 971 hero.webp|thumb|right|250px|alt=Rolex Prince Brancard 971 — Pink Zebra 18K pink and white gold|Pink Zebra: 18K pink + white gold bicolor, Antiquorum 2023 lot 138, hammer CHF 16,250]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 971
|-
| family
| Prince (rectangular Art-Deco doctor's watch)
|-
| production
| 1928–1938 (core 1928–1935; 971A bicolor variants documented to 1938)
|-
| case shape
| rectangular flared "Brancard" stretcher; Friedberg's "outer frame" Rolex-period term
|-
| case dimensions
| approximately 23–24 mm × 36–38 mm body; 33.5 × 42.5 mm with horns (Phillips platinum Geneva V)
|-
| case construction
| two-piece, snap or screw caseback by variant
|-
| crystal
| acrylic; period mineral glass on earliest examples
|-
| crown
| onion / pull-out, non-screw (the Prince was not a water-resistant case)
|-
| lug style
| integrated flared, continuous with the case flanks
|-
| bezel
| smooth; stepped on some variants
|-
| movement family
| Aegler shaped: Cal. 300 / Cal. 350 (rectangular plates, 1928–1935); Cal. 360 HW (tonneau plates, 1936 onward)
|-
| movement grades
| Prima (15 jewels) / Extra Prima (18 jewels, 6-position) / Ultra Prima (top tier, 6-position chronometer)
|-
| beat rate
| 18,000 vph
|-
| power reserve
| approximately 50 hours (Watch-Wiki, Watch I Love); Friedberg's 58-hour figure is an outlier
|-
| balance
| bimetallic (early), with Breguet overcoil hairspring
|-
| escapement
| lever
|-
| chronometer dial designation
| "Chronometer" or "Observatory" — corresponds to Extra Prima or Ultra Prima grade
|-
| dial layout
| duo-dial with oversized sub-seconds register at six (the "doctor's watch" feature)
|-
| sub-references documented
| 971 (base), 971A (18K bicolor "Tiger Stripe"), 971U (Ultra Prima grade — examples in 9K and stainless), 971S (silver — community-asserted, not yet primary-confirmed)
|-
| price band (hammer)
| sterling GBP 3,750–USD 12,134 · 9K Zebra CHF 9,775–11,500 · 18K Tiger Stripe (971A) CHF 15,000–29,500 / USD 14,400 / HKD 70,125 · 18K Pink Zebra CHF 16,250 · stainless USD 12,134 (with box+papers) · platinum CHF 35,000–75,000
|}

==Where it sits in the line==

Rolex launched the Prince family in 1928 as Hans Wilsdorf's premium dress-watch counterpart to the Oyster. The 971 is the opening reference. The earliest documented 971 carries an English hallmark dated 1928 (the Arman Collection sterling example, Antiquorum NY March 2010 lot 401, case 70,064). Glasgow-imported silver 971s cluster at case numbers 70,668 and 71,883 with 1929 hallmarks; the matching movement-number range of 70k–75k pins this group to 1929–1930.

The 971 is the original Brancard, but the Prince story moves quickly. By the early 1930s the 1490 emerges as the larger flared evolution of the same case shape, and by the mid-1930s the 1490 is doing most of the catalog work. The 971 keeps producing in parallel — the latest documented base 971 carries a Glasgow 1929 hallmark on a Tiger Stripe variant (Antiquorum 2005 lot 97), and Bonhams Hong Kong April 2023 sold a 971A Tiger Stripe dated c.1938 (case 68,591), pushing the bicolor line into the late 1930s. Production tapers through WWII alongside the rest of the Prince family.

The Prince does not return to the Rolex catalog until the 2005 Cellini Prince revival, which sits on a different platform and is not part of the vintage Prince story this page covers. The Princess and Queen smaller spin-offs are separate ladies-line references (3361, 3362), not 971 variants.

==The Brancard nickname — 971 versus 1490==

Auction houses today apply "Brancard" to both the 971 and the 1490. Friedberg's 2001 TimeZone article assigns the nickname specifically to the 971: ''"the especially famous Prince Brancard (ref. 971)."'' Coronet Magazine's 2021 doctor's-watch piece follows Friedberg. Rolex Magazine and Beckertime treat the 971 as the canonical Brancard. Everest Bands (2023) reverses the assignment, applying "Brancard" to the 1490 and omitting the 971 entirely.

The reconciliation most consistent with published evidence: 971 is the original Brancard — the 1928 launch reference of the flared stretcher case shape — and the 1490 is the larger evolution of the same case form from the early 1930s onward. Both qualify as Brancard cases. The nickname attaches most strongly to the 971 in early-2000s collector writing — Friedberg's TimeZone piece is the load-bearing source — and to the 1490 in modern auction-catalog convention, because the 1490 has more surfaced examples and dominates current market activity.

==Sub-references — 971, 971A, 971U, 971S, Zebra, Tiger Stripe, Pink Zebra==

[[File:Ref 971 zebra-9k.webp|thumb|right|250px|alt=Rolex 971 9K Zebra bicolor|9K Zebra — Antiquorum 2020 lot 235, yellow + white gold (Antiquorum convention: 9K = Zebra, 18K = Tiger Stripe)]]
[[File:Ref 971 tiger-stripe.webp|thumb|right|250px|alt=Rolex 971A 18K bicolor Tiger Stripe canonical|971A 18K Tiger Stripe — Antiquorum NY 2008 lot 266, canonical reference example, hammer USD 14,400]]
The 971 has the deepest sub-reference taxonomy of any Prince. The convention is not entirely settled, but the documented usage breaks down as follows.

971 (base). All non-bicolor configurations: sterling silver, 9K yellow gold, 14K, 18K, stainless steel, platinum.

971A. 18K bicolor yellow + white gold. The classic "Tiger Stripe" configuration. The canonical reference example is Antiquorum NY June 2008 lot 266 (USD 14,400 hammer), an 18K bicolor with applied white-gold Arabic numerals dated c.1930. Production runs from a Glasgow 1929 hallmark (Antiquorum 2005 lot 97) through 1938 (Bonhams HK April 2023 lot 644, case 68,591). Tiger Stripe 971As are ''often faked''; the genuine factory configuration uses alternating-metal ridges between yellow and white gold sections, while modern fakes typically engrave a single gold case and rhodium-plate the recessed bands.

971U. Ultra Prima movement grade. Older Antiquorum cataloging (1994 lot 100, 1998 lot 4) used the U suffix on 9K bicolor examples, and modern Antiquorum continues the convention. Critically, Antiquorum November 2024 lot 462 sold a stainless-steel 971U with original box and rate certificate at USD 12,134 — establishing that the U suffix is movement-grade, not material-specific. The watchmaker Cary Hurt confirms (NAWCC) that lettered suffixes in Aegler convention denoted "some special feature" rather than a fixed material category.

971S. Silver. Community-asserted, with the suffix appearing in a RolexForums thread title (978611, currently behind Cloudflare gating). Silver examples in the auction record are typically catalogued as plain "971" without the S suffix; whether 971S is a Rolex-canon designation or a forum convention is not yet primary-confirmed.

Zebra. 9K bicolor yellow + white gold. Antiquorum convention separates this from Tiger Stripe by purity: 9K = Zebra, 18K = Tiger Stripe. Antiquorum March 2020 lot 235 sold a 9K Zebra with caseback monogram "B D J" at CHF 10,625. Bonhams December 2017 lot 133 (USD 7,500 hammer) is a 9K white+yellow bicolor at the lower price band the Zebra-versus-Tiger-Stripe purity split predicts.

Pink Zebra. 18K pink + white gold bicolor. Antiquorum May 2023 lot 138 sold one at CHF 16,250 with German collector provenance, case 45,950. The pink-gold variant is rarer than the yellow-gold Tiger Stripe and reads visibly different on the wrist.

==The case — Brancard stretcher==

The 971 case is a two-piece rectangular structure in the flared "Brancard" form. The body measures approximately 23–24 mm wide by 36–38 mm long; with the horns the measurement runs to roughly 33.5 × 42.5 mm (Phillips Geneva V platinum, case 6,013) or 41 mm long on the larger 971A bicolor variants. The discrepancy across catalog sources is consistent with the convention each house uses — some measure the bezel only, others the case-to-horn-tip span, and the flared profile makes any single dimension misleading. Forum collector reports cluster at 41 mm long for 971A on the wrist.

The flared profile is unmistakably Art-Deco. The case curves outward at the lug ends and back toward the centre — a stretcher-on-its-end silhouette, hence the French ''brancard''. The lugs are integrated into the case rather than soldered or spring-bar drilled, a one-piece flared structure that takes a strap on through-pins. The crystal is acrylic by the standard production period; the earliest examples sometimes carry period mineral glass.

The crown is onion-form push-pull, non-screw. The Prince was a dress watch, not a water-resistant case, and the crown configuration reflects the priority — easier winding access, no Oyster waterproof seal. Gold cases carry gold crowns; steel cases carry steel Rolex crowns. The crown signature is a useful authentication check.

The caseback is two-piece — snap on most variants, screw on some. Bonhams HK April 2023 lot 644 explicitly notes a snap caseback on the 1938 Tiger Stripe.

==Case materials==

[[File:Ref 971 eaton.webp|thumb|right|250px|alt=Rolex 971 Eaton 1/4 Century Club Switzer 1907-1932|Eaton 1/4 Century Club presentation: T.D. Switzer 1907–1932 service dedication]]
The 971 has documented examples in more material configurations than any other Prince reference:

* Sterling silver, hallmarked: the most-surfaced configuration in the auction record, particularly with Glasgow and Edinburgh import marks dating 1928–1930. Sotheby's Important Watches Hong Kong 2019 lot 1075 (case 02,508, c.1935, Extra Prima 15j) and Bonhams London September 2018 lot 37 (Glasgow 1929, GBP 3,750 hammer) are typical examples.
* 9K yellow gold, Glasgow-assayed.
* 9K bicolor yellow + white gold ("Zebra"): Antiquorum March 2020 lot 235 (CHF 10,625), Bonhams NY December 2017 lot 133 (USD 7,500). The 9K bicolor reads markedly different from the 18K Tiger Stripe, both visibly and at hammer.
* 9K + steel two-tone: documented on the Eaton 1/4 Century Club presentation (Monaco Legend July 2019 lot 156).
* 14K + steel two-tone: same Eaton presentation, case 1,472, dial signed "Eaton / 1/4 Century Club," caseback engraved ''"Presented to T.D. Switzer to mark a quarter-century of continuous service with T. Eaton C., Ltd., 1907–1932."'' The Eaton Toronto retailer program issued Princes as 25-year service awards, and the 1907–1932 service window on this watch establishes that the 971 was the earliest Prince used in the Eaton program — predating the 1490s that took over the program later.
* 18K yellow gold: Antiquorum 2008 Geneva lot 690 (Observatory 15j).
* 18K yellow + white gold ("Tiger Stripe" / 971A): the canonical bicolor variant, with multiple auction examples spanning Glasgow 1929 through case 68,591 in 1938.
* 18K pink + white gold ("Pink Zebra"): Antiquorum May 2023 lot 138.
* Stainless steel: rarer than gold or silver in the auction record. Antiquorum November 2024 lot 462 (case 74,768 with original box and rate certificate, USD 12,134) is the documented anchor; RolexMagazine references a 1934 all-steel Brancard without specifically tagging it 971S.
* Platinum: at least four documented examples — Phillips case 6,047 (CHF 75,000 hammer, 2015), Phillips case 6,013 (sold three times: CHF 48,750 in 2017, relisted 2019, CHF 55,440 in 2021), Antiquorum case 6,077 (CHF 35,000 in 2013, catalog noted as only the fourth platinum 971 sold through Antiquorum). Platinum 971s sit at the absolute top of the reference's price hierarchy.

==The movement==

[[File:Ref 971 platinum.webp|thumb|right|250px|alt=Rolex 971 platinum Phillips case 6013 black dial 1935|Platinum 971, case 6,013, Cal. 300 7½′′′ 18-jewel, black dial, c.1935, Phillips Geneva V hammer CHF 48,750]]
The 971 runs on Aegler shaped movements. The 1927 Wilsdorf-Aegler patent for "shaped watch movement with a seconds dial" placed the winding barrel at one end of the rectangular movement and the balance at the other — an architectural choice that allowed both a larger balance wheel (for improved precision) and a larger mainspring barrel (for a longer power reserve) than competing shaped calibers of the period. The Aegler-Rolex relationship was a supplier arrangement (Aegler as an independent manufacturer in Bienne until Rolex purchased the firm from the Borer family in April 2004; Aegler and Rebberg refer to the same factory — Aegler is the company name, Rebberg the Bienne street).

Two distinct caliber generations appear in 971 cases, and they are visually identifiable from the movement plate shape:

* Cal. 300 / Cal. 350 — rectangular plates, 1928–1935. 7½ by 14½ lignes. 18,000 vph. Approximately 50-hour power reserve. 15 jewels at the Prima base; 18 jewels at Extra Prima and Ultra Prima with 6-position adjustment. Phillips Geneva V lot 212 documents a platinum 971 with Cal. 300 7½′′′ 18-jewel movement in case 6,013 dated 1935.
* Cal. 360 HW — tonneau plates, 1936–late 1930s. The successor caliber for the late-period 971s and the 1936-onward Prince family broadly. Auction houses routinely lump both calibers as "Prince movement" without distinguishing the plate shape; the NAWCC discussion (Doug Sinclair, gmorse, Cary Hurt, March 2013) is the load-bearing source for the cal. 300 versus cal. 360 split. A 971 with rectangular movement plates is a 1928–1935 example; a 971 with tonneau plates is 1936-onward.

Movement grading runs Prima → Extra Prima → Ultra Prima, corresponding to ascending jewel counts (15 → 18), adjustment positions, and chronometer testing rigour. The "Chronometer" or "Observatory" designation on the dial indicates Extra Prima or Ultra Prima grade. The Kew-Teddington observatory tradition runs through this period — Rolex submitted Prince movements to the National Physical Laboratory at Kew for independent rate certificates against the Swiss Bureaux Officiels Suisse de Contrôle. Antiquorum's May 2013 platinum 971 (case 6,077) noted only the fourth platinum 971 sold through that house at the time, suggesting that platinum-cased Princes were specifically reserved for the highest movement grades.

A specific service-tell deserves naming: the cal. 300 winding-stem bridge is a known fail point. A 971 that sets time but disengages immediately is symptomatic of a broken stem bridge. Aftermarket CNC-machined brass replacement bridges circulate among watchmakers, and aftermarket "cal. Prince TS" winding stems are commercially available. Owners of cal. 300 971s should treat the stem bridge as a known maintenance item rather than a hidden fault.

==Dial — the duo-dial and the doctor's watch==

The 971 dial is a duo-dial: hours and minutes in the upper register, an oversized sub-seconds dial at six o'clock occupying nearly half the dial face. The architecture earned the Prince its "doctor's watch" nickname — the large sub-seconds register let physicians count a patient's pulse cleanly off the dial, with the seconds hand running clearly enough to support the "feel pulse, count seconds, multiply" workflow that was the standard medical timing technique of the period.

Dial signatures and configurations documented on surfaced 971 examples:

* Silvered duo-dial with Arabic numerals — most common.
* Silvered duo-dial with Roman numerals — period dress variant.
* Two-tone sector duo-dial — typical 1930s Art-Deco geometric dial.
* Matte silver with painted Breguet numerals — late-period dress variant.
* Gold duo-dial on gold-cased examples.
* Black duo-dial (rare) — Phillips Geneva V platinum case 6,013 carries a black dial.
* "Eaton 1/4 Century Club" retailer-replacement signature — almost uniquely among Rolex production, the Eaton dial replaces the "Rolex" name with the retailer's text. The Switzer 1907–1932 example is the documented anchor; the Eaton program later moved to 1490 examples for subsequent recipients.

Hand styles documented: blued steel leaf hands (most common), blued steel dauphine, blued steel pencil/baton, blued Breguet-style on dress variants. Sub-seconds hands are blued steel; refinished sub-seconds hands are the most common service intervention on 971s, like the broader Prince family.

Period-original 971 dials show light foxing in the small-seconds well — a glassy-perfect dial on a watch this age is a refinish. Refinishers active through the mid-twentieth century in the UK, Switzerland, and North America produced work hard to distinguish from original without a side-by-side comparison. Original dials with even patina, matched hand aging, and period-correct printing carry a meaningful premium within the reference's price range.

==Authentication==

The 971 has enough documented configurations and enough surfaced examples that authentication is tractable. The strongest signals:

# Caliber-to-plate-shape match. A 971 should carry an Aegler shaped movement. Rectangular plates indicate Cal. 300 or Cal. 350 (1928–1935 production); tonneau plates indicate Cal. 360 HW (1936-onward). A non-Aegler base movement (Schild, Peseux, ETA) under a 971 dial is a transplant. A Gruen-stamped Aegler movement under a 971 case is a known transplant pattern from the Aegler-Gruen marketing split — Rolex sold to the British Empire markets, Gruen to the United States, and parts crossing markets in service later produced franken-1490s and franken-971s with brand-mismatched movements.

# 971A Tiger Stripe alternating-metal ridges. Genuine Tiger Stripe is two physical pieces of gold (yellow + white) separated by raised ridges. Modern fakes engrave a single gold case and rhodium-plate the recessed bands. A Tiger Stripe whose stripes are visibly ''recessed'' rather than separated by ridges is suspicious; a side-light examination reveals the difference quickly. The watch-guy.com and VRF documentation of 971A fakes is consistent on this point.

# English hallmarks date the case import precisely. Glasgow and Edinburgh assay offices stamped imported watches with year-letter codes; a Glasgow 1929 hallmark dates the case import to 1929, regardless of when the movement was assembled. Cross-check the movement number against the 70k–75k range that corresponds to 1929–1930 silver imports.

# 18-jewel capped-endstone bridge. An unusual high-grade configuration on Extra Prima and Ultra Prima movements; its survival on a service-untouched watch indicates originality.

# Crown material match. A gold case should carry a gold Rolex crown. A steel crown on a gold 971 is a service replacement.

# Caseback engraving style. Period-correct 971 casebacks are factory-stamped. Hand-engraved markings indicate post-factory work — except for legitimate retailer-presentation engravings on Eaton 1/4 Century Club and similar retailer-program watches, which sit alongside the factory stamping rather than replacing it.

==Auction record==

{| class="wikitable"
|-
! year
! venue
! configuration
! hammer
|-
| 1994
| Antiquorum Geneva
| 971U 9ct gold Observatory
| CHF 11,500
|-
| 1998
| Antiquorum Geneva
| 971U 9K bicolor Extra Prima 15j
| CHF 9,775
|-
| 2005
| Antiquorum Geneva
| Tiger Stripe 18K Glasgow 1929
| CHF 18,400
|-
| 2006
| Antiquorum Geneva
| Tiger Stripe 18K case 65,377
| CHF 29,500
|-
| 2008
| Antiquorum NY
| Canonical Tiger Stripe 971A 18K c.1930
| USD 14,400
|-
| 2010
| Antiquorum NY
| Sterling, English hallmark 1928 (Arman)
| (Arman Collection)
|-
| 2013
| Antiquorum Geneva
| Platinum, case 6,077
| CHF 35,000
|-
| 2015
| Phillips Geneva
| Platinum, case 6,047, c.1935
| CHF 75,000
|-
| 2015
| Antiquorum Geneva
| Tiger Stripe 971A case 65,196
| CHF 15,000
|-
| 2017
| Phillips Geneva V
| Platinum, case 6,013, c.1935
| CHF 48,750
|-
| 2017
| Bonhams NY
| 971A 9K white+yellow gold
| USD 7,500
|-
| 2018
| Bonhams London
| Sterling silver, Glasgow 1929
| GBP 3,750
|-
| 2019
| Sotheby's HK
| Sterling, case 02,508, Extra Prima 15j
| (passed est. USD 8–12k)
|-
| 2020
| Antiquorum Geneva
| Zebra 9K bicolor case 60,206
| CHF 10,625
|-
| 2021
| Phillips Geneva XIV
| Platinum, case 6,013 (third sale)
| CHF 55,440
|-
| 2023
| Antiquorum Geneva
| Pink Zebra 18K case 45,950
| CHF 16,250
|-
| 2023
| Bonhams HK
| 971A 18K Tiger Stripe c.1938
| HKD 70,125
|-
| 2024
| Antiquorum
| 971U stainless steel + box + papers
| USD 12,134
|}

The same platinum case 6,013 sold through Phillips three times — 2017, 2019 (relisted), and 2021 (CHF 55,440 hammer, +13.7% over 2017). Cases 6,047 and 6,077 are separate platinum examples; at least three distinct platinum 971s are documented in the auction record. Antiquorum's 2013 catalog noted only the fourth platinum 971 sold through their house at the time, framing platinum 971 production as low single-digit examples.

The 1990s Antiquorum prices (CHF 9,775–11,500 for 971U 9K bicolor) versus the 2006 record CHF 29,500 for an 18K Tiger Stripe show that the bicolor 971A premium grew markedly across the decade as collector interest in shaped Rolex matured. The platinum band tracked the same trajectory: CHF 35,000 in 2013, CHF 48,750 in 2017, CHF 55,440 in 2021. Sterling silver 971s have been more stable, sitting in the GBP 3,500–4,500 band consistently from 2018 through 2024, with the 2024 Antiquorum stainless example at USD 12,134 (with original box and rate certificate) as the upper anchor for non-precious-metal configurations.

==Sources==

* [https://www.phillips.com/detail/rolex/CH080215/210 "Rolex Prince Reference 971 Platinum", Phillips, 2015-05-09]
* [https://www.phillips.com/detail/rolex/CH080117/212 "Rolex Prince Reference 971 Platinum, Geneva V", Phillips, 2017-05-12]
* [https://www.phillips.com/detail/rolex/CH080219/201 "Rolex Prince 971 Platinum, Geneva X", Phillips, 2019-11-09]
* [https://www.phillips.com/detail/rolex/CH080221/187 "Rolex Prince 971 Platinum, Geneva XIV", Phillips, 2021]
* [https://www.sothebys.com/en/buy/auction/2019/watches-online-7/rolex-prince-reference-971-a-silver-wristwatch "Rolex Prince Reference 971 Silver", Sotheby's, 2019]
* [https://www.sothebys.com/en/buy/auction/2019/important-watches/rolex-ref-971-prince-brancard-a-silver-rectangular "Rolex Prince Brancard Reference 971 Silver", Sotheby's, 2019]
* [https://www.bonhams.com/auctions/24629/lot/37/ "Rolex Prince Reference 971 Silver Glasgow 1929", Bonhams, 2018-09-11]
* [https://www.bonhams.com/auction/24500/lot/133/ "Rolex Prince Reference 971A 9K White and Yellow Gold", Bonhams, 2017-12-04]
* [https://www.bonhams.com/auction/28684/lot/644/ "Rolex Prince Reference 971A 18K Two-Tone Tiger Stripe", Bonhams, 2023-04]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-126-100 "Rolex Prince 971U 9ct Gold Observatory", Antiquorum, 1994-10-15]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-90-4 "Rolex Prince 971U 9K Bicolor Extra Prima", Antiquorum, 1998-04-18]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-103-97 "Rolex Prince Tiger Stripe 971A 18K Glasgow 1929", Antiquorum, 2005-11-13]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-144-316 "Rolex Prince Tiger Stripe 971 Case 65377", Antiquorum, 2006-11-12]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-207-266 "Rolex Prince Tiger Stripe 971A — Canonical NY 2008", Antiquorum, 2008-06-18]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-226-401 "Rolex Prince 971 Sterling Silver — Arman Collection, English Hallmark 1928", Antiquorum, 2010-03-10]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-971-lot-272-100 "Rolex Prince 971 Platinum", Antiquorum, 2013-05-12]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-971-a-lot-295-275 "Rolex Prince 971A Tiger Stripe", Antiquorum, 2015-11-08]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-971-prince-chronometer-lot-327-235 "Rolex Prince 971 Zebra Brancard 9K", Antiquorum, 2020-03-21]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-971-prince-brancard-lot-360-138 "Rolex Prince 971 Pink Zebra 18K", Antiquorum, 2023-05-14]
* [https://catalog.antiquorum.swiss/en/lots/rolex-2024-lot-462 "Rolex Prince 971U Stainless Steel — Box and Papers", Antiquorum, 2024-11]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-jewels-14/lot-156 "Rolex Prince 971 Eaton 1/4 Century Club", Monaco Legend Auctions, 2019-07]
* [https://www.rolexmagazine.com/2017/05/the-complete-history-of-rolex-prince.html Jake Ehrlich, "The Complete History of the Rolex Prince", Rolex Magazine, 2017-05]
* [https://quillandpad.com/2019/04/09/the-golden-age-of-rolex-movements-part-i-sowing-the-seeds-of-greatness/ Tim Mosso, "The Golden Age of Rolex Movements Part I", Quill & Pad, 2019-04-09]
* [https://revolutionwatch.com/the-current-prince-a-different-side-of-rolex/ Martin Green, "The Current Prince: A Different Side Of Rolex", Revolution Watch, 2014-02-28]
* [https://www.watchonista.com/articles/depth/uncommon-objects-rediscovering-rolexs-discontinued-collections Rhonda Riche, "Uncommon Objects: Rediscovering Rolex's Discontinued Collections", Watchonista, 2025-11-06]
* [https://www.watch-wiki.net/doku.php?id=rolex_prince "Rolex Prince", Watch-Wiki (DE)]
* [http://people.timezone.com/mfriedberg/articles/RolexPrince.html Michael Friedberg, "Rolex's Charming Prince", TimeZone, 2001-01-23]
* [https://www.everestbands.com/blogs/bezel-barrel/the-rolex-prince-from-the-1930s Vincent Deschamps, "The 1930s Rolex Prince", Everest Bands, 2023-12-12]
* [https://www.coronet.org/new-1minute-reads/the-doctors-rolex Andres Ibarguen, "The Doctor's Rolex", Coronet Magazine, 2021-08-22]
* [https://www.analogshift.com/blogs/transmissions/a-brief-history-of-the-doctor-s-watch Oren Hartov, "A Brief History of the Doctor's Watch", Analog/Shift, 2024-07-08]
* [https://www.vintagerolexforum.com/showthread.php?t=23475 Christian Wass, "The Rolex Prince — my journey so far", VintageRolexForum (via Tapatalk t23475), 2011-04-17]
* [https://www.watchprosite.com/rolex/very-rare-971/8.1145894/ "Very rare 971 platinum", Watchprosite, 2018-11-19]
* [https://web.archive.org/web/2020/https://mb.nawcc.org/threads/rolex-tonneau-movement.100077/ "Rolex Tonneau Movement?", NAWCC, 2013-03-11]
* [https://www.watch-guy.com/rolex-prince-cal-300-stem-bridge-cnc/ "Rolex Prince Cal. 300 — CNC-machined stem bridge", Watch Guy (watch-guy.com)]
* Pucci Papaleo, "I Cronografi Rolex – La Leggenda"
* Ehrhardt + Demesy, "Vintage American & European Wrist Watch Price Guide, Book 2"
* Colin A. White, "The Vintage Rolex Field Manual", Morning Tundra

[[Category:Prince]]

Reference:8171

2026-06-29T01:23:32Z

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[[File:Ref 8171 hero.jpg|thumb|right|250px|alt=Rolex 8171 Padellone hero|Rolex 8171 Padellone, yellow gold, triple-calendar moonphase]]
Padellone → '''8171'''

The 8171 is the complication flagship. Launched around 1949 and produced for roughly three years, it is, with its Oyster-cased sibling the 6062, one of only two triple calendar moonphase references Rolex ever put into series production. Day, date, month, and moonphase, in a 38mm round case at a moment when dress watches were 32mm or smaller. Automatic caliber A.295 with a complete calendar module, the same A.295 platform that powers the Ovettone Datejust underneath the added complication. Non-Oyster, snap-on caseback, non-waterproof. The thing Rolex would not compromise on its sport references was exactly what it gave up to build a dress complication.

Italian collectors named the watch ''Padellone'', "big pan": ''padella'' is Italian for frying pan and the -one suffix is an augmentative. The nickname is affectionate, registering a diameter that stood out far enough from its 1950s contemporaries that "big pan" was the first thing to say. The reference is now the most expensive non-chronograph vintage Rolex outside the Daytona lineage, and one of the most expensive Rolex watches ever sold at auction.


== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 8171
|-
| nickname
| ''Padellone'' (Italian: "big pan")
|-
| family
| Padellone / triple calendar moonphase
|-
| production
| c. 1949 – c. 1952/1953
|-
| total production
| about 1,000–1,200 units (collector estimate)
|-
| case diameter
| 38mm
|-
| case construction
| two-piece, snap-on caseback (non-Oyster)
|-
| water resistance
| none — non-Oyster case
|-
| case materials
| 18K yellow gold (most common); 18K pink gold (rare); stainless steel (very rare)
|-
| movement
| Cal. A.295 CPL (automatic, in-house Aegler)
|-
| complications
| day, month (apertures at 12); date (peripheral pointer); moonphase (aperture at 6)
|-
| crystal
| acrylic, domed
|-
| dial signature
| "Rolex Oyster Perpetual" + "Officially Certified Chronometer" or "Precision"
|-
| bracelet
| leather strap, period Rolex buckle
|-
| italian nickname
| ''Padellone'' — parallel to ''Ovetto/Ovettone'' diminutive-augmentative pattern
|}


== What the 8171 is ==

By the late 1940s Rolex had Oyster, Perpetual, chronometer, and date. What it did not have was a flagship complication watch. The answer was a pair: the dressier 8171 and the Oyster-cased 6062, both triple-calendar moonphases on the same A.295 base. Rolex never returned to this kind of watch after the mid-1950s.

Within the 6062/8171 pair, the 8171 is the non-Oyster dress watch. That is the simple line to remember.


== Padella and Padellone ==

''Padella'' is the Italian word for frying pan. ''-one'' is the Italian augmentative suffix; applied to a noun, it produces a bigger version. ''Padellone'' is "big pan." Italian collectors used the nickname as the reference circulated through the Italian auction and dealer market from the 1980s onward, and it stuck.

The naming follows the same diminutive-augmentative pattern as the Bubbleback-era ''Ovetto/Ovettone'' distinction. ''Ovetto'' (little egg) is the 32mm Bubbleback. ''Ovettone'' (big egg) is the 36mm Big Bubbleback, including the 4467. For the 8171, the augmentative -one operates on ''padella'' directly. The 38mm case was, for a 1950s dress watch, conspicuously large. A period-correct dress watch of 1950 was 32–34mm, often 30mm. A 38mm dial sat on the wrist like a flat, wide plate, hence a big pan.

"Padellone" is now the universal collector-market term for the reference. Phillips, Sotheby's, Christie's, Bonhams, and Antiquorum all use it in lot titles.


== The 38mm case ==

At 38mm, the 8171 was about 4–6mm larger than its dress-watch contemporaries and roughly 2mm larger than the 6062. The case is round with tapered, fluted lugs and a smooth stepped bezel. No decorative fluting, no engine-turning, no anniversary flourish. The visual weight lives in the diameter and in the dial: eight pieces of information (hour, minute, second, day, month, date, moonphase, moon age indicator) sit inside the chapter ring, arranged around apertures at 12 and 6 and a peripheral date track read by a central blued-steel pointer.

Case construction is two-piece: mid-case and snap-on caseback. The caseback snaps into the mid-case with a friction fit and is opened with a caseback knife rather than a threaded spanner. This is standard watchmaking practice for dress watches of the period, and it is the opposite of the Oyster approach. The 8171's caseback carries a serial number and the Rolex coronet but no depth rating, no "Oyster" engraving, and no model-line marking.

Three recessed pushers on the caseband correct the day, month, and moon indications. Date advances with the hour hand through the 24-hour cycle, without quickset, consistent with the A.295 generation. The crown is a small dress-style pushpiece rather than the screw-down brevet crown used on the Oyster cases. Opening and closing the 8171 for service is quick compared to an Oyster, but the trade-off is well documented: snap-on backs lose seal tolerance through repeated service cycles, and many 8171 dials today show moisture-driven patina variability as a direct consequence.


== Materials: yellow gold, pink gold, steel ==

The 8171 was produced in 18K yellow gold, 18K pink gold, and stainless steel. Yellow gold dominates the documented population. The majority of auction lots, dealer listings, and published examples are 18K yellow gold. Pink gold is substantially rarer; collectors estimate the pink gold population at a small fraction of yellow. Steel is the unicorn.

Dealer consensus usually puts steel production around 800 pieces, though the auction survivor count feels much lower. That mismatch is one of the open questions that still hangs over the steel 8171 story.

Why steel exists at all on a dress complication is still not documented cleanly. The practical point is that steel Padellones are the most sought-after configuration, even if the production logic behind them stays unclear.


== The dial ==

Dial text follows the Rolex convention of the period. Coronet at 12, "Rolex" beneath, then "Oyster Perpetual" on two lines. Below 6, above the moonphase aperture, either "Officially Certified Chronometer" or "Precision"; both are correct, both appear on documented examples, and the two configurations do not track cleanly to case material or production year. Day and month are printed in small apertures flanking the 12 position. The date runs around the dial periphery as a printed track, read by a central blued-steel pointer hand. The moonphase aperture at 6 shows the waxing and waning crescent across a starfield, with the moon disc rotating through the lunar cycle.

Most 8171 dials are silvered with applied gilt baton hour markers. The outer minute track is printed black. The outer calendar track, the ring of date numbers 1 through 31 around the edge, is printed blue on silvered dials, producing the two-tone graphic read common to the reference.

Several dial and hand variants are documented. The useful collector split is between the ordinary silvered watches and the rare configurations: grain-finish silver, salmon, black, and the two-tone dial that carried the 2019 Phillips result.

Hand configurations vary with the dial. Most 8171 dials carry gold dauphine hands on gold cases; feuille hands appear on certain configurations. The central seconds hand is typically a simple baton; the date pointer is blued steel with a fine arrow tip that reaches the periphery.


== Movement: A.295 CPL ==
[[File:Ref 8171 movement.jpg|thumb|right|280px|alt=8171 movement and calendar mechanism|8171 movement with triple-calendar mechanism and moonphase disc]]

The 8171 uses caliber A.295 CPL, the same A.295 platform (10.5 lignes, 18 jewels, rhodium-plated, self-winding with a unidirectional perpetual rotor, straight-line lever escapement, Breguet balance spring) used in the 4467 Ovettone, with the addition of a complete-calendar-plus-moonphase module. "CPL" is the complication suffix. The movement is chronometer-certified, and dials are marked accordingly.

The caliber matters because it ties the 8171 back to the Big Bubbleback and Datejust world, and because it separates the watch from the Datocompax references of the same era. The 8171 is not Valjoux-based and not a chronograph. The consistent reading across serious Rolex sources is A.295 CPL.

No quickset. Date changes with the hour hand, advanced through a 24-hour cycle. Day, month, and moon are corrected by recessed caseband pushers, pressed with a paperclip or a dedicated tool. The mechanism is sound in period service but, as with any complete-calendar movement of the era, has a few hours around midnight when correction should be avoided; pushing against an engaged change mechanism will damage the teeth.


== The 6062 and the complication pair ==

The 8171's sister reference is the 6062, the Oyster-cased version of the same complication set, produced concurrently in 18K yellow gold, 18K pink gold, and stainless steel. Same A.295 CPL movement, same day-month-date-moonphase complication set, same general dial architecture. The differences are case construction and case size. The 6062 is an Oyster: 36mm, screw-down caseback, screw-down crown, waterproof. The 8171 is non-Oyster: 38mm, snap-on caseback, dress crown, non-waterproof.

Within Rolex history, the 6062 and 8171 are treated as a pair. Collector vocabulary uses both names without hierarchy. Auction catalogs cross-reference: Phillips, Sotheby's, Christie's, and Bonhams all describe the 8171 and the 6062 in each other's terms when one surfaces. The 6062 produced the Bao Dai result: Phillips Geneva May 2017, CHF 5,066,000, the black dial diamond-marker example commissioned by the last Vietnamese emperor. That lot is not an 8171 lot, but it is the apex of the complication pair's market history and sits on a watch that is mechanically identical to the 8171 beneath the Oyster case.

The distinction is simple. The 6062 is the Oyster complication watch. The 8171 is the dress complication watch. Rolex stopped making either kind after the mid-1950s.


== Auction record ==

The 8171's public auction history is dominated by four or five landmark results, with a deeper tier of yellow gold standard-configuration sales establishing the reference's baseline.

{| class="wikitable"
|-
! Venue
! Date
! Lot
! Material
! Configuration
! Result
|-
| Christie's New York Important Watches ("Sleeping Beauty")
| Dec 2002
| —
| stainless steel
| triple calendar moonphase
| USD 1,145,000 (est. 250,000–350,000)
|-
| Phillips Geneva Watch Auction Nine
| May 2019
| 68
| 18K YG
| two-tone dial, original hang tag and box
| CHF 980,000
|-
| Phillips Geneva Watch Auction Ten
| Nov 2019
| 175
| stainless steel
| exceptional preservation
| CHF 1,028,000
|-
| Sotheby's Important Watches Part I
| 2023
| —
| 18K YG
| circa 1950
| — (standard-tier result)
|-
| Sotheby's Important Watches
| Dec 2024
| —
| —
| —
| USD 203,200
|-
| Phillips Bacs & Russo
| Dec 2024
| —
| —
| —
| USD 100,205
|}

The Christie's December 2002 "Sleeping Beauty" sale is the historically important result. Estimated at USD 250,000–350,000, the watch sold for USD 1,145,000 after a multi-country bidding contest, setting at the time a world auction record for a Rolex wristwatch. The "Sleeping Beauty" nickname attached at the moment of sale, a play on the price surprise and on the watch itself, a stainless steel 8171 that had been quiet in the market until that night. The sale restructured collector perception of the 8171 and of complicated Rolex in general; in 2002, seven figures for a non-chronograph Rolex was without precedent.

Phillips' 2019 pair is the modern market benchmark: CHF 980,000 for a top yellow-gold watch and CHF 1,028,000 for a benchmark steel one. That pair is still the clearest marker of where the reference sits.

Standard yellow gold 8171 results run well below these landmarks. The 2024 cycle produced results in the USD 100,000–200,000 range for mid-tier examples. Condition, preservation of factory finishes, originality of dial, presence of original paperwork and packaging, and material (gold versus steel) all move the result meaningfully within the tier. Dealer asking prices for yellow gold 8171s typically run USD 120,000–300,000+ depending on configuration; steel examples rarely surface at retail at all.

The market tier structure for the 8171 is clear in outline: steel at the apex (seven-figure ceiling, mid-six-figure baseline); pink gold as a scarcity-premium tier above standard yellow gold; yellow gold as the volume tier, itself heavily stratified by dial, provenance, and preservation.


== What the 8171 established, and did not ==

The 8171 did not found a line. No 8171 successor reference exists. Rolex did not continue the complete-calendar-moonphase programme past the 1950s, did not reissue a 38mm non-Oyster dress complication, and has not revisited the moonphase as a series production complication in any wristwatch reference since. The 8171 and the 6062 are a closed chapter.

What the 8171 did establish was that Rolex could, when it chose to, produce a complete-calendar-plus-moonphase complication at the same level of finish and chronometer certification as its three-hand watches. The A.295 CPL movement was not an outsourced module in the Datocompax sense; it was an in-house Aegler platform with an added complication. The 8171 and 6062 showed, briefly, what a complicated Rolex could look like. The firm's subsequent decision to orient around sport-watch specialization (Submariner, GMT-Master, Day-Date, Daytona) relegated that demonstration to a single reference pair and closed the door on a path the 8171 had opened.

The market recognized the closure retroactively. Through the 1970s and 1980s, 8171s traded quietly. Through the 1990s, collector attention grew. The 2002 Christie's "Sleeping Beauty" sale marked the moment the reference became an apex collector artifact. The 2017 Bao Dai 6062 result at CHF 5M extended that status to the pair. By the late 2010s, Phillips Geneva auctions had established both the yellow gold benchmark (CHF 980,000) and the steel benchmark (CHF 1,028,000) for the 8171 in isolation.


== Related references ==

The 6062 is the Oyster-cased sibling: same A.295 CPL movement, same complication set, 36mm screw-down Oyster case, produced concurrently in yellow gold, pink gold, and stainless steel. The Bao Dai 6062 (Phillips May 2017, CHF 5,066,000) is the highest public result for the complication pair.

The Rolex Datocompax chronographs (4767, 5036, 6036, 6236) are chronograph-plus-calendar references of the same era, using the Valjoux 72C ébauche with Rolex finishing. They are not mechanically related to the 8171 (different base caliber, chronograph function), but they occupy the same complication-flagship segment Rolex addressed in the late 1940s and early 1950s. The 6236, produced from 1958, is known as the "Jean-Claude Killy" after the skier's ownership of one.

The 4467 is the Big Bubbleback Ovettone. It shares the A.295 movement platform without the CPL complication module. The 4467 and the 8171 are the two most prominent A.295-family dress references, one with a date, one with a full calendar and moonphase. Naming follows the same Italian augmentative pattern: ''Ovettone'' (big egg), ''Padellone'' (big pan).

The 6305 is the first Datejust with a Cyclops (1954): Oyster-cased, single date complication, Cal. 1030. It is the Oyster-cased continuation of the dress-with-date programme, while the 8171 and 6062 are the non-continuation of the dress-with-full-calendar programme.

The Padellone sits at the chronograph-and-complication tail of the same era as the [[Reference:pre-daytona-chronographs|pre-Daytona chronograph]] line; the 8171 carries the calendar-and-moonphase complication while the 3525 / 4xxx / 6034 / 6234 / 6238 references carry the chronograph complication into the 6239 and the Cosmograph Daytona.


== Collecting considerations ==

The 8171 occupies a narrow but well-defined collecting slot. It is a bona fide rarity in absolute terms, the complication flagship of the Bubbleback-era Rolex, and a reference whose market has been established at auction for more than two decades with a clear tier structure.

The configuration hierarchy runs from steel at the apex to standard yellow gold at the base. A stainless steel example with original dial, hands, case finish, and paperwork sits at the top, the Phillips November 2019 Lot 175 tier. An 18K pink gold example with original dial and paperwork carries a scarcity premium over yellow gold but falls below steel. An 18K yellow gold example with a rare dial (salmon, black, or two-tone) plus box and paperwork is the Phillips May 2019 Lot 68 tier. Below that sits the yellow gold standard-silvered-dial example with box and paperwork, and below that the same without paperwork.

Authentication on the 8171 comes down to a short checklist. Case metal first: yellow gold, pink gold, and steel all exist, so swapped cases matter. Movement next: it should be A.295 CPL throughout. Dial originality is critical, especially on salmon, black, and other rare colours. Case condition matters because the snap-on caseback does not tolerate repeated opening well. Calendar correctors should work cleanly, because parts are not easy to source. Original box, hang tag, and paperwork add major value, as the Phillips 2019 result made clear.

Period-correct leather straps and Rolex buckles in matching metal appear on the strongest auction examples. A gold 8171 on a service strap with a non-Rolex buckle is a routine presentation; a gold 8171 on a period Rolex strap with a matching gold buckle is not.

== Sources ==
* [https://watchesbysjx.com/2019/10/rolex-8171-padellone-steel.html SJX Watches — 8171 padellone steel 2019]
* [https://www.fratellowatches.com/ Fratello — 8171 padellone]
* [https://www.coronet.org/ Coronet — 8171 history]
* [https://www.phillips.com/auctions/watches Phillips — 8171 geneva may 2019]
* [https://www.christies.com/ Christie's — 8171 sleeping beauty 2002]
* [https://www.sothebys.com/en/ Sotheby's — 8171 2020 steel]
* [https://www.bonhams.com/ Bonhams — 8171 precision gold]
* [https://le-monde-edmond.com/rolex-8171/ Le Monde Edmond — 8171]
* [https://amsterdamvintagewatches.com/ Amsterdam Vintage Watches — 8171]
* [https://hairspring.com/ Hairspring — 8171]
* [https://www.bobswatches.com/ Bob's Watches — watches 8171]

[[Category:Padellone]]

Reference:unicorn-daytona

2026-06-29T01:23:30Z

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{{DISPLAYTITLE:Rolex unicorn-daytona}}
{{#seo:
|title=Rolex unicorn-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Unicorn Rolex Cosmograph Daytona 6265 — the only known 18k white gold manual-wind Daytona. Case 2877587, manufactured 1970, delivered 1971 to a German retailer. Sold CHF 5,937,500 at Phillips Daytona Ultimatum, Geneva, 12 May 2018. Authenticity disputed in Perezcope's 2022 Frankenstein dossier citing 2010 photographs and millerighe pusher forensics.
|keywords=Unicorn Daytona, Unicorn 6265, white gold 6265, Rolex Unicorn, Phillips Daytona Ultimatum, Perezcope Unicorn Frankenstein, Goldberger Unicorn, CHF 5,937,500
|image=Ref 6265 unicorn-hero.webp
|image_alt=The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018
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|og_type=article
|published_time=2026-04-19T14:53:15Z
|modified_time=2026-06-04T04:43:07Z
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[[Reference:daytona|Daytona]] -> [[Reference:6265|6265]] → '''Unicorn'''

= The Unicorn (Daytona 6265 in 18k white gold) =

The Unicorn is the only known 18k white gold manual-wind Daytona. It is a one-off special-order [[Reference:6265|6265]], case 2877587, made in 1970 and delivered in 1971 to a German retailer. Phillips sold it at Daytona Ultimatum in 2018 for CHF 5,937,500 including premium. Perezcope's 2022 dossier disputes the watch as sold at Phillips and argues for a Frankenstein assembled from period-correct and replacement parts. Both readings remain on the record.

[[File:Ref 6265 unicorn-hero.webp|thumb|right|250px|alt=The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018|The Unicorn 6265 — 18k white gold manual-wind Daytona, Sigma dial with white gold indices, CHF 5,937,500 at Phillips Daytona Ultimatum 2018]]

== What the Unicorn is ==

Four facts about the Unicorn that set it apart from every other 6265:

The Unicorn has four practical markers.

* 18k white gold case, unique within the manual-wind Daytona line.
* Case number 2877587, placing it in Rolex's 1970 production band.
* Documented 1971 delivery to Germany.
* A Sigma dial on a case number that predates the usual Sigma window, which is one reason the watch stays under forensic scrutiny.

== The Phillips sale (12 May 2018) ==

Phillips Daytona Ultimatum was a 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum. The Unicorn was Lot 8 and the headline lot of the auction. Phillips's lot essay framed the watch as the authentic sole white gold 6265, with the dial, pushers, and bezel disclosed as period-correct service replacements sourced by Goldberger during his ownership. The watch hammered at CHF 5,400,000 with buyer's premium bringing the all-in price to CHF 5,937,500 — about USD 5.9M at prevailing exchange.

The sale placed the Unicorn at second on the all-time Rolex auction list at that date, behind only Paul Newman's own 6239 ([[Reference:paul-newman-daytona|USD 17.52M at Phillips Winning Icons, October 2017]]). The broader Daytona Ultimatum sale reset the market ceiling across manual-wind Daytona collecting and established Phillips as the canonical auction house for thematic Rolex sales.

== Ownership history ==

The Unicorn's ownership chain is, per Phillips's lot essay and Goldberger's published accounts:

- Manufactured 1970, Rolex Geneva
- Delivered 1971 to a German retailer, sold to a first retail buyer
- Surfaced in collector circulation in the 2000s
- Acquired by John Goldberger (Auro Montanari, Italian collector and author of ''100 Superlative Rolex Watches'')
- Held by Goldberger through the 2010s; service work documented in period including the Sigma dial swap cited in Phillips's essay
- Consigned to Phillips, May 2018
- Sold to a private buyer at the 2018 sale; ownership since has not been publicly re-surfaced

== The Perezcope dispute (December 2022) ==

Jose Pereztroika's December 2022 dossier — "Rolex Daytona 6265 The Unicorn Frankenstein plot" — disputes the Unicorn's authenticity as presented at Phillips. The dossier's core evidence:

=== 2010 Newoldschlock Instagram photographs ===

An anonymous Instagram account ("newoldschlock") posted 2010 photographs of case 2877587 — the same white gold 6265 case the Unicorn carries — with a ''different dial, different pushers, and a different bezel'' from what appeared at Phillips in 2018. The 2010 photographs show the case wearing a steel tachymetre bezel, steel screw-down pushers, and a black dial without Sigma markings. The 2018 configuration — white gold bezel, millerighe-knurled white gold pushers, Sigma dial — differs on all three points.

Per Perezcope, this contradicts Phillips's framing of "period-correct service replacements sourced by Goldberger" — the photographs document that the current configuration was assembled after 2010, not retained from the 1971 delivery.

=== Millerighe pusher forensics ===

The 2018 configuration's white gold millerighe-knurled pushers are, per Perezcope's analysis, inconsistent in shape, refinement, and burr pattern with authentic single-source Rolex millerighe pushers of the period. The knurl pattern, the top-face chamfer, and the burr at the base all read as non-Rolex — consistent with a later third-party fabrication rather than original or period-correct service-replacement Rolex parts.

=== Sigma dial chronology ===

The Sigma dial convention is dated, per Perezcope's own forensic database, to around case number 3.0 million — roughly 1972. The Unicorn case 2877587 predates that by about one million serials. A Sigma dial on a 2877587 case reads as an anachronism — the dial type did not exist when this case was manufactured.

=== Cal 727 movement stamp ===

Perezcope flags that the Unicorn's cal 727 movement carries an older "7-2-7" hyphenated stamp on a serial range where neighbouring movements already use the newer cleaner "727" stamp. A cal 727 with the wrong stamp style for its case-number neighbourhood reads as a movement that has been swapped or assembled from older parts.

== Phillips's position and Goldberger's framing ==

Phillips's 2018 lot essay disclosed that the dial, pushers, and bezel were not the original 1971 delivery components — Phillips presented them as period-correct service replacements sourced by Goldberger during his ownership. The essay positioned the Unicorn as authentic-Rolex with service-period-appropriate parts, not as a fully original-delivery watch.

Goldberger has publicly treated the Unicorn as the last known white gold 6265, and the replacement components as period-correct parts fitted for display and preservation. Phillips and Goldberger's combined framing is that the core case (2877587 in 18k white gold) is unquestionably authentic Rolex and the sole documented white gold 6265, regardless of the post-1971 dial/bezel/pusher replacement history.

Perezcope's counter is that even accepting the case as authentic, the assembled Unicorn as it sold at Phillips in 2018 is not a single coherent Rolex watch — it is a Frankenstein. The millerighe pushers are not period-correct service replacements; the Sigma dial is an anachronism; the movement stamp reads as period-mismatched.

== Why the dispute matters ==

Both positions stay on the record. The market will continue to catalogue the Unicorn's Phillips result as the canonical price for the variant; collectors will form their own authentication positions on the Frankenstein question. Similar forensic disputes sit on three other high-value Daytona variants — [[Reference:albino-daytona|Albino 6263]], [[Reference:6240|Neanderthal 6240]], and the [[Reference:116520|116520 bracelet 78490/78690]] reading — with Perezcope as the consistent second voice raising post-sale forensic questions.

== Relation to other 6265 variants ==

The Unicorn is one of several rare precious-metal 6265 configurations:

- '''18k white gold (Unicorn)''' — 1, documented
- '''18k yellow gold''' — several, common enough to command a premium over steel but not a one-off
- '''14k yellow gold''' — smaller number, North American market specification
- '''950 platinum''' — handful documented, each catalogued on specific provenance
- '''Lemon dial in gold or platinum''' — separate sub-branch; see [[Reference:6265|6265]] article

== Where to go next ==

- [[Reference:6265|Reference 6265]] — full treatment of the host reference, all Paul Newman variants, Sultan of Oman Khanjar, Lemon dial, and retailer-signed examples
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the exotic-dial category the Unicorn sits adjacent to
- [[Reference:albino-daytona|Albino Daytona]] — the parallel disputed variant in the manual-wind category
- [[Reference:daytona-glossary|Daytona glossary]] — definitions for every named variant

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* [https://perezcope.com/2022/12/31/rolex-daytona-6265-the-unicorn-frankenstein-plot/ Rolex Daytona 6265 The Unicorn Frankenstein Plot] — Jose Pereztroika, Perezcope, December 2022
* Phillips Geneva, Daytona Ultimatum, Lot 8 catalogue essay, 12 May 2018
* [https://watchesbysjx.com Preview: Phillips Daytona Ultimatum picks] — SJX, 2018
* [https://www.sothebys.com/en/articles/vintage-rolex-daytona-the-gold-standard Vintage Rolex Daytona: The Gold Standard] — Karyn Orrico, Sotheby's, 2024

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Disputed variant]]

Reference:6612B

2026-06-29T01:23:29Z

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{{DISPLAYTITLE:Rolex Day-Date 6612B}}
{{#seo:
|title=Rolex Day-Date 6612B — The Platinum Arabic "Lone Star"
|description=The Rolex 6612B is the thicker-plate smooth-bezel originals-era Day-Date and home of the platinum Eastern-Arabic "Lone Star" (named by Pucci Papaleo) — among the first entirely Arabic-script Day-Dates and the apex of the 1950s President.
|keywords=Rolex 6612B, Day-Date 6612B, Lone Star, platinum Arabic Day-Date, Eastern Arabic dial, Pucci Papaleo, caliber 1055B, originals Day-Date
|image=Ref 6612B hero.webp
|image_alt=Platinum Rolex 6612B Lone Star Arabic dial
|type=Article
|og_type=article
|published_time=2026-06-21T23:51:15Z
|modified_time=2026-06-29T01:22:07Z
|robots=index,follow,max-image-preview:large
|titlemode=replace
}}
[[Reference:day-date|Day-Date]] → '''6612B'''

The 6612B is the late, thicker-plate version of the smooth-bezel originals-era Day-Date, and the reference behind the most storied of all the early Presidents: the platinum, fully Eastern-Arabic "Lone Star." Where the gold [[Reference:6612|6612]] is the smooth-bezel brother of the fluted [[Reference:6611|6611]], the 6612B carries the second-generation caliber 1055B, and in its rarest form a platinum case and bracelet, diamond hour markers and a dial with the day and date both spelled out in Arabic. That watch, named the "Lone Star" by Pucci Papaleo, is among the first entirely Arabic-script Day-Dates Rolex made, and it sits at the very top of the originals-era market with the platinum 6612 and 6613.

[[File:Ref 6612B hero.webp|thumb|right|260px|alt=Platinum Rolex 6612B Lone Star Arabic dial|The Rolex 6612B "Lone Star" — platinum, smooth bezel, diamond markers and a fully Eastern-Arabic dial, the most storied of the originals-era Day-Dates.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6612B
|-
| family
| Day-Date
|-
| production
| circa 1957 to 1959 (originals era)
|-
| movement
| caliber 1055B, the second-generation thicker-plate 1055 — chronometer, free-sprung Microstella
|-
| case
| 36mm — 18k gold (yellow / pink / white) and platinum
|-
| crystal
| acrylic
|-
| bezel
| smooth (the smooth-bezel member of the 66xx cluster)
|-
| bracelet
| President in gold; a platinum brick-link bracelet on the Lone Star
|-
| dial
| "Superlative Chronometer Officially Certified"; the Lone Star is platinum with diamond markers and Eastern-Arabic day and date
|-
| crown
| Twinlock screw-down
|-
| nickname
| "Lone Star" — the platinum Arabic example, named by Pucci Papaleo
|-
| sibling references
| 6611 (fluted), 6613 (diamond bezel); the gold smooth 6612
|-
| predecessor
| 6510 / 6511 (1956)
|-
| successor
| 1803 and the 4-digit era
|}

==Where it sits in the line==

The 6612B is the "B" sub-variant of the smooth-bezel [[Reference:6612|6612]], the same thicker-plate caliber 1055B that the [[Reference:6611|6611]] carries as the 6611B, a late-run movement change rather than a new model. The shared smooth-bezel story, the case, the bracelet and the dial range, sits on the [[Reference:6612|6612]] entry. What earns the 6612B its own entry is the platinum Arabic "Lone Star."

The platinum originals-era Day-Dates are the apex of the early line. They were made for Gulf clients in the metal that Islamic custom, which discourages gold on men, allowed, and they carry diamond markers and, on the rarest, Eastern-Arabic calendars. Three watches define the group: the platinum 6612 "Big Kahuna" with a grey dial, the platinum Arabic 6613, and this smooth-bezel platinum Arabic 6612B, the Lone Star. The 6612B is the smooth-bezel, fully-Arabic one, and the ancestor of the 4-digit platinum Arabic Presidents that follow it, the 1804 "Scheherazade" and the platinum [[Reference:1831|1831]].

==Production outline==

The 6612B belongs to the 1957–1959 originals run, the smooth-bezel reference in its late, caliber-1055B form. Like the 6611B, the "B" marks the second-generation movement plate rather than a metal or dial change, and gold examples are the bulk of what survives. The platinum examples are a tiny special-order population built for Middle-Eastern clients; the fully-Arabic Lone Star appears to be a single watch, documented in Pucci Papaleo's book rather than in any production record. No Rolex figure has surfaced. The whole 66xx cluster gives way to the 4-digit [[Reference:1803|1803]] around 1959.

==Movement notes==

The 6612B runs the caliber 1055B, the second-generation version of the first Day-Date movement: an automatic, chronometer-certified caliber with the free-sprung Microstella balance and the instant midnight changeover that the early 1055 lacked. It is the same movement the 6611B carries; the smooth bezel and, on the Lone Star, the platinum case are what set the 6612B apart, not the calibre. The [[Reference:Movements]] page holds the caliber lineage, and the [[Reference:6612|6612]] entry covers the smooth-bezel reference's mechanics in full.

==Dial map==
[[File:Ref 6612B dial.webp|thumb|right|250px|alt=Lone Star dial close-up with Arabic day and date|The Lone Star dial — diamond markers, the day spelled out in Arabic at twelve and the date in Arabic numerals, one of the earliest entirely Arabic-script Day-Date dials.]]

The standard 6612B dials are the smooth-bezel "Superlative Chronometer Officially Certified" dials of the period, covered on the [[Reference:6612|6612]] entry. The dial that defines this reference is the Lone Star's: a gilt-champagne ground with round-brilliant diamond hour markers in prong settings, and the day and date both rendered in Eastern-Arabic script, the day spelled out in the window at twelve and the date in Arabic numerals at three. It is one of the earliest entirely Arabic-script Day-Date dials, which the watchesbysjx.com history of the Arabic Day-Date calls likely the first such dial made by the Swiss industry. The deep dial taxonomy that spans the President line sits on the [[Reference:1803|1803]] entry.

==Case, bezel, crystal, and crown==

The case is the 36mm smooth-bezel Oyster shared with the [[Reference:6612|6612]], with an acrylic crystal and a Twinlock screw-down crown. On the Lone Star the case and bracelet are platinum rather than gold, the choice that marks the Gulf special orders, and the smooth bezel reads cleaner in white metal than the fluted 6611 does. The smooth bezel is the cluster signature that separates the 6612 and 6612B from the fluted 6611 and the diamond-set 6613.

==Bracelets, end links, and clasps==

Gold 6612Bs wear the President bracelet, as the [[Reference:6612|6612]] does. The Lone Star wears a platinum brick-link bracelet in place of the President, the woven flat-link style seen on the platinum originals-era Day-Dates. As with any watch of the era, a clasp date code dates the bracelet, which may be older or newer than the head, and the cross-family detail sits on [[Reference:Bracelets]].

==Special branches==

===The "Lone Star"===

The Lone Star is the heart of the reference: a platinum, smooth-bezel 6612B with diamond hour markers and a fully Eastern-Arabic dial, the day spelled out in Arabic at twelve and the date in Arabic numerals. Pucci Papaleo named it in his book ''Day-Date — The Presidential Rolex'' (Pucci Papaleo Editore, 2015), and it is documented there alone; it has never surfaced at public sale. It is among the first entirely Arabic-script Day-Dates Rolex built, and the originals-era ancestor of the 4-digit platinum Arabic Presidents, the 1804 "Scheherazade" and the platinum [[Reference:1831|1831]] "Emperor." If it ever came to market it would price as a unique trophy above the platinum lots below.

===The platinum-originals apex===

The platinum originals-era Day-Dates are the top of the 66xx market, an order of magnitude above the gold examples. Phillips sold a platinum 6612 with a grey dial and Spanish day disc, the "Big Kahuna," for CHF 473,000 in 2015, then a Day-Date world-record price. A platinum diamond-bezel 6613 with an Eastern-Arabic calendar made CHF 425,450 at Phillips in 2025, and a platinum English-calendar 6613 HK$275,000 in 2016. The Lone Star is the smooth-bezel, fully-Arabic member of that platinum apex, and the only one of the group never offered publicly.

==Auction record==

The 6612B Lone Star itself has not appeared at public auction; it is book-documented. The platinum-Arabic originals-era Day-Dates that have sold are its diamond-bezel 6613 sibling and the platinum non-Arabic 6612, which set the price context below. Gold 6612B examples trade in the dealer market, seldom at the catalogued sales, in the same low-five-figure band as the gold 6611 and 6612.

{| class="wikitable"
|-
! date
! house
! configuration
! result
|-
| 2015
| Phillips Geneva, Glamorous Day-Date, lot 43
| platinum 6612 "Big Kahuna", grey dial, Spanish day disc
| CHF 473,000
|-
| 2025
| Phillips Geneva XXI, lot 198
| platinum 6613, Eastern-Arabic calendar, diamond markers
| CHF 425,450
|-
| 2016
| Phillips Hong Kong, lot 201
| platinum 6613, English calendar, diamond markers
| HK$275,000
|}

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://watchesbysjx.com/2016/09/hands-on-with-the-rolex-day-date-40-eastern-arabic-middle-east-edition-plus-a-brief-history-of-the-arabic-day-date.html Adel Al-Rahmani with Eric Ku, "A Brief History of the Arabic Day-Date (with the Day-Date 40 Arabic special edition hands-on)", SJX Watches, 2016-09]
* [https://www.puccipapaleo.com/bookstore/day-date ''Day-Date — The Presidential Rolex'' — Pucci Papaleo, Pucci Papaleo Editore, 2015]
* [https://www.phillips.com/detail/rolex/214914 Phillips, "Rolex Ref. 6613 Day-Date, platinum with Eastern-Arabic calendar and diamond markers — Phillips Geneva Watch Auction XXI, lot 198", Phillips, 2025]
* [https://www.phillips.com/ Phillips Watches Department, "Phillips Glamorous Day-Date Geneva May 2015 lot 43 — platinum 6612", Phillips, 2015-05-09]
* [https://www.phillips.com/detail/rolex/HK080116/201 Phillips, "Rolex Ref. 6613 Day-Date, platinum with English calendar and diamond markers — Phillips Hong Kong Watch Auction TWO, lot 201", Phillips, 2016]
* [https://rolexpassionmarket.com/watches/rolex-the-gold-black-day-date-ref-6612b/ Rolex Passion Market editorial, "Rolex Day-Date 6612B Gold Black Dial", Rolex Passion Market]
* [https://watchbase.com/rolex/caliber/1055b WatchBase, "Rolex caliber 1055B (registry page)", WatchBase]
* [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ Monochrome editorial, "In-Depth: The History of the Rolex Day-Date, The Presidential Watch", Monochrome Watches]
* [https://italianwatchspotter.com/the-history-of-the-rolex-day-date/?lang=en Italian Watch Spotter editorial, "The History of the Rolex Day-Date", Italian Watch Spotter]
* [https://www.mondanibooks.com/rolex-day-date-history ''Rolex Day-Date'' — Giorgia Mondani and Guido Mondani, Guido Mondani Editore]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]

[[Category:Day-Date]]
[[Category:Working Draft]]

Reference:6612

2026-06-29T01:23:26Z

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{{DISPLAYTITLE:Rolex 6612 Day-Date}}
{{#seo:
|title=Rolex Day-Date 6612 — Early President, 1957–1959 | BezelBase
|description=The 6612 (1957–1959) is the smooth-bezel Day-Date of the second-generation 66xx cluster, sibling to the fluted 6611 and diamond-bezel 6613. 36mm 18k gold (rare platinum), caliber 1055B with free-sprung Microstella balance, President bracelet, and the "Superlative Chronometer Officially Certified" dial.
|keywords=Rolex 6612, Day-Date, President, smooth bezel, 66xx cluster, 6611, 6613, caliber 1055B, [[Reference:6612B|6612B]], platinum Day-Date
|image=Ref 6612 hero.webp
|image_alt=Rolex Day-Date 6612 in platinum with smooth bezel and grey diamond dial
|type=Article
|og_type=article
|published_time=2026-06-07T05:24:12Z
|modified_time=2026-06-29T01:22:04Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:day-date|Day-Date]] → '''6612'''

The 6612 is the smooth-bezel member of the Day-Date's second-generation cluster. It arrived in 1957 alongside the fluted [[Reference:6611|6611]] and the diamond-bezel 6613, about a year after the [[Reference:6510|6510]] and [[Reference:6511|6511]] originals, and it carries the same three upgrades that turned the Day-Date into the President: the President bracelet, the "Superlative Chronometer Officially Certified" dial line, and the rebuilt caliber 1055 with a free-sprung Microstella balance. Where the 6611 wears the fluted "Millerighe" bezel, the 6612 wears a plain polished one. That is the whole difference between them.

The shared origin story — the day-disc patents, the Presidential nickname, the full cluster roster — belongs to the [[Reference:6510|6510]] entry, and the bracelet-and-caliber bundle that defines the cluster is set out on the [[Reference:6611|6611]]. What follows is specific to the 6612: the smooth bezel, the metals it came in including a platinum pair that sits among the rarest early Day-Dates, and the 6612B sub-variant.

[[File:Ref 6612 hero.webp|thumb|right|250px|alt=Rolex Day-Date 6612 in platinum with smooth bezel and grey diamond dial|The 6612 in platinum — smooth bezel, grey dial with diamond markers, Spanish day disc, on the President bracelet. One of the documented platinum examples. Photo: Phillips / EveryWatch]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6612
|-
| family
| Day-Date
|-
| production
| 1957–1959
|-
| movement
| caliber 1055 second generation (1055B) — free-sprung Microstella balance, Breguet overcoil, COSC-certified, instant midnight changeover
|-
| case
| 36mm 18k gold Oyster — yellow, pink, white gold; platinum (rare)
|-
| crystal
| acrylic
|-
| bezel
| smooth (polished)
|-
| bracelet
| President
|-
| dial designation
| "Superlative Chronometer Officially Certified"
|-
| crown
| Twinlock screw-down
|-
| predecessor
| 6510 (smooth) / 6511 (fluted), 1956 originals
|-
| cluster siblings
| 6611 (fluted bezel), 6613 (diamond bezel)
|-
| successor
| 1803 and the 4-digit era, from c.1959
|-
| sub-variant
| 6612B (movement plate about 0.1mm thicker)
|}

==Where it sits in the line==

The 6612 belongs to the 66xx cluster that succeeds the 1956 originals around 1957. Within the cluster the bezel is the divider: the 6611 takes the fluted bezel, the 6612 the smooth, and the 6613 a factory diamond-set bezel. The smooth bezel links the 6612 back to the first-generation [[Reference:6510|6510]], the only other early Day-Date to wear one; everything inside the watch is second-generation. By about 1959 the [[Reference:1803|1803]] and its siblings replace the whole cluster and the Day-Date settles into its long 4-digit era.

Dating the cluster is not quite unanimous. Sotheby's groups the 66xx references with the 1956 launch, while Monochrome and WatchBase place them at 1957. The 1957 reading is the common one and matches the President bracelet's own introduction.

==Production outline==

The 6612 shares the cluster's defining move: in 1957 the President bracelet, the rebuilt chronometer-certified caliber, and the "Superlative Chronometer Officially Certified" dial arrived together, and the smooth-bezel reference in that group was the 6612. It kept the 36mm Oyster case and the gold-and-platinum catalogue of the period and ran for about three years.

No Rolex archival production figure has surfaced, and the smooth-bezel 6612 is scarcer in the record than the fluted 6611 — most early Day-Dates that reach the market wear the fluted bezel that became the line's signature. Case numbers fall in the same late-1950s band as the rest of the cluster; the platinum pair below carries numbers around 403,680, consistent with 1958.

==Movement notes==

The 6612 carries the second-generation caliber 1055, the version registries label 1055B, the same movement as the fluted 6611. It keeps the first-generation running gear (automatic, 25 jewels, 18,000 vph, 28.50mm across) and adds the two upgrades that define the cluster: a free-sprung balance with Rolex's Microstella regulating screws paired with a Breguet overcoil, and COSC chronometer certification. The midnight changeover becomes instant, fixing the slow day-and-date roll-over that hobbled the first-generation 1055 and is usually blamed for the one-year run of the 6510 and 6511. The full caliber lineage sits on [[Reference:Movements]].

==Dial map==

The 6612 carries the four-line "Superlative Chronometer Officially Certified" text at six o'clock that the cluster introduced, with the spelled-out day at twelve, the date at three, applied faceted gold indices, and the period's shift toward alpha hands. Day discs follow the retail market — English, French, German, Italian and Spanish discs are all documented across the cluster.

Two dial directions are worth separating on the 6612. The standard configuration is a champagne or silvered dial with applied gold batons. The platinum examples instead carry a grey dial set with round- and baguette-cut diamond markers, the configuration Phillips documented in 2015. Diamond hour markers otherwise belong to the precious-metal and diamond-bezel configurations rather than a standard gold 6612.

==Case, bezel, crystal, and crown==

The 6612 uses the 36mm three-piece Oyster case shared across the cluster: screw-down Twinlock crown, screw-down caseback, acrylic crystal. The bezel is the plain polished one, the single feature that separates the 6612 from the fluted 6611 and the reason the two share everything else but a reference number.

The metals are yellow, pink and white gold, with yellow the common case material. Platinum is the outlier: a pair of 1958 platinum examples with consecutive case numbers is documented, one of which Phillips catalogued as one of only two known. Platinum with a diamond-set dial places these among the scarcest early Day-Dates.

==Bracelets, end links, and clasps==

The 6612 wears the President, the three-piece semi-circular-link bracelet designed for the Day-Date and introduced with this cluster in 1957. The bracelet's name predates the Johnson-era association: a 1957 Italian advertisement reproduced by Rolex Magazine already calls it the President. The cross-family detail sits on [[Reference:Bracelets]]. As ever, a clasp date code dates the bracelet, not the watch head, and service swaps over seventy years are common.

==Special branches==

===Platinum===

The platinum 6612 is the reference's headline rarity. Phillips sold a 1958 example, case 403,680, with a grey dial set with round- and baguette-cut diamond markers at the Glamorous Day-Date sale in Geneva in May 2015, cataloguing it as one of only two platinum 6612s known and noting that the two carry consecutive case numbers. A platinum early Day-Date is unusual in any reference; documented in the smooth-bezel 6612, it is among the rarest configurations of the whole 66xx group.

===The 6612B===

A late sub-variant, the 6612B, carries a movement plate about 0.1mm thicker than the standard 6612, the same plate change tracked by the 1055B caliber designation and mirrored on the fluted 6611B. The external case is stamped 6612; the "B" appears in service paperwork and registries. It turns up across metals, including a yellow-gold example with a black dial.

==Auction record==

{| class="wikitable"
|-
! sale
! date
! metal
! notes
|-
| Phillips, Glamorous Day-Date, Geneva, lot 43
| 9 May 2015
| platinum
| case 403,680 (1958), grey dial with round- and baguette-cut diamond markers; catalogued as one of two platinum 6612s known, with consecutive case numbers
|}

Plain gold 6612s trade in the same modest band as the gold 6611, with the smooth bezel making them marginally harder to find; the platinum pair is the clear exception on rarity. Documentation specific to the 6612 is thinner than for its fluted sibling — most cluster lots that reach the major houses are 6611s — so the smooth-bezel reference is best understood through the cluster rather than through a deep run of its own results.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ Monochrome editorial, "In-Depth: The History of the Rolex Day-Date, The Presidential Watch", Monochrome Watches]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]
* [https://www.fratellowatches.com/rolex-day-date-historical-overview-of-rolexs-flagship/ Fratello editorial, "Rolex Day-Date — Historical Overview Of Rolex's Flagship", Fratello Watches]
* [https://watchbase.com/blog/2015/02/21/rolex-day-date-history WatchBase editorial, "Rolex Day-Date History", WatchBase, 2015-02-21]
* [https://www.rolexmagazine.com/2010/09/1956-very-first-rolex-day-date.html Jake Ehrlich, "1956 — The Very First Rolex Day-Date", Rolex Magazine (Jake's Rolex World), 2010-09]
* [https://www.rolexmagazine.com/2021/10/rolex-president-ad-from-1957-uncovered.html Jake Ehrlich, "Rolex President Ad From 1957 Uncovered", Rolex Magazine (Jake's Rolex World), 2021-10]
* [https://watchbase.com/rolex/caliber/1055b WatchBase, "Rolex caliber 1055B (registry page)", WatchBase]
* [https://www.phillips.com/ Phillips Watches Department, "Phillips Glamorous Day-Date Geneva May 2015 lot 43 — platinum 6612", Phillips, 2015-05-09]
* [https://rolexpassionmarket.com/watches/rolex-the-gold-black-day-date-ref-6612b/ Rolex Passion Market editorial, "Rolex Day-Date 6612B Gold Black Dial", Rolex Passion Market]

[[Category:Day-Date]]
[[Category:working-draft]]
[[Category:References]]

Reference:6611

2026-06-29T01:23:23Z

Admin: SEO: clickable title + og:image + timestamps

{{#seo:
|title=Rolex 6611 Day-Date — First President Bracelet, First "Superlative Chronometer Officially Certified" Dial | BezelBase
|description=The 6611 (1957–1959) is the fluted-bezel Day-Date that introduced the President bracelet and the first "Superlative Chronometer Officially Certified" dial, on the upgraded Microstella caliber 1055/1055B. 36mm 18k gold; the fluted reference of the 66xx cluster alongside the 6612 and 6613.
|keywords=Rolex 6611, Day-Date, President bracelet, Superlative Chronometer Officially Certified, caliber 1055B, Microstella, 6611B, 6510, 6511
|image=Ref 6611 hero.webp
|image_alt=Rolex Day-Date 6611 in yellow gold on the President bracelet
|type=Article
|og_type=article
|published_time=2026-06-02T21:30:23Z
|modified_time=2026-06-29T01:22:01Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:day-date|Day-Date]] → '''6611'''

The 6611 is the reference that turned the Day-Date into the President. It arrived in 1957, about a year after the [[Reference:6510|6510]] and [[Reference:6511|6511]] originals, and it brought three firsts at once: the President bracelet, the "Superlative Chronometer Officially Certified" dial line, and a rebuilt caliber with a free-sprung Microstella balance and chronometer certification. The 6510 and 6511 invented the complication; the 6611 fixed its weak points and gave the line the bracelet and the dial text that define it today.

Within the second-generation cluster the 6611 is the fluted-bezel reference, sitting alongside the smooth-bezel 6612 and the diamond-bezel 6613. It kept the 36mm Oyster case and the 18k gold-only catalogue of the originals, and ran for three years before the 1803 and its siblings replaced the whole group around 1959. The shared origin story (Marc Huguenin's patents, the Presidential nickname, the full cluster roster) belongs to the [[Reference:6510|6510]] entry. What follows is specific to the 6611: the bracelet and dial it introduced, the upgraded caliber, its metals and sub-variants, and the steel examples that complicate its history.

[[File:Ref 6611 hero.webp|thumb|right|300px|alt=Rolex Day-Date 6611 in yellow gold on the President bracelet|Rolex Day-Date 6611 in 18k yellow gold on the President bracelet — the fluted bezel that the 6611 carried into the second generation. Image via Phillips.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6611
|-
| family
| Day-Date
|-
| production
| 1957–1959
|-
| movement
| caliber 1055 second generation (1055B) — free-sprung Microstella balance, Breguet overcoil, COSC-certified, instant midnight changeover
|-
| case
| 36mm 18k gold Oyster — yellow gold, pink gold, white gold
|-
| crystal
| acrylic
|-
| bezel
| fluted ("Millerighe")
|-
| bracelet
| President (the first Day-Date to carry it)
|-
| dial designation
| "Superlative Chronometer Officially Certified" — the first Rolex dial to carry it
|-
| crown
| Twinlock screw-down
|-
| predecessor
| 6511 (fluted) / 6510 (smooth), 1956 originals on Jubilee and the first-generation caliber
|-
| cluster siblings
| 6612 (smooth bezel), 6613 (diamond bezel)
|-
| successor
| 1803 and the 4-digit era, from c.1959
|-
| sub-variant
| 6611B (movement plate about 0.1mm thicker)
|}

==Where it sits in the line==

The 6611 succeeds the 6510 and 6511 roughly a year after their 1956 Basel launch. The dating is not quite unanimous: Sotheby's groups the 6611 with the 1956 originals, while Monochrome and Rolex Magazine place it at 1957. The 1957 reading is the common one and matches the President bracelet's own introduction date.

The reference anchors the second-generation 66xx cluster. The 6611 takes the fluted bezel, the 6612 the smooth bezel, and the 6613 a factory diamond-set bezel; the late 6611B carries a slightly thicker movement plate. This three-bezel lineup is something the 6510/6511 pair never had — the originals were a two-watch, bezel-finish pair, while the 66xx cluster is a proper range. By about 1959 the 1803 and its siblings take over and the Day-Date moves into its long 4-digit era.

==Production outline==

Everything that separates the 6611 from the originals arrived in one step in 1957: the President bracelet, the rebuilt caliber, and the new chronometer-certified dial. That bundling is why the 6611 reads as the start of the modern Day-Date rather than a minor update. The reference kept the 36mm Oyster case and the gold-only catalogue, and ran for three years.

Case numbers from the auction record sit a little above the originals' range (214,124 on a 1956/57 yellow-gold example, 401,546 on a 1958 white-gold 6611B), consistent with the 1957–1959 window. No Rolex archival production figure has surfaced. The cluster as a whole gives way to the 1803 around 1959, and from that point the President bracelet and the SCOC dial that the 6611 introduced become Day-Date standards.

==Movement notes==

The 6611 carries the second-generation caliber 1055, the version watch registries label 1055B. It keeps the running gear of the first-generation movement (automatic, 25 jewels, 18,000 vph, 28.50mm across) but stands about 0.1mm taller at roughly 7.1mm and adds the two upgrades that matter. The balance becomes free-sprung with Rolex's Microstella regulating screws, paired with a Breguet overcoil, and the movement is COSC chronometer-certified. The midnight changeover becomes instant, fixing the gradual day-and-date transition that hobbled the first-generation 1055 and is usually blamed for the 6510/6511's single-year run. The full caliber lineage sits on [[Reference:Movements]].

Auction catalogues mislabel these early movements. Antiquorum's 2002 steel lot lists the caliber as a 1556, a movement that did not exist until the 1803 era; the watch in fact carries the second-generation 1055. The label to trust is the dial and the construction, the Microstella balance and the chronometer certification, not the caliber number a cataloguer reached for decades later.

==Dial map==

[[File:Ref 6611 dial.webp|thumb|right|250px|alt=6611 Superlative Chronometer Officially Certified dial|The four-line "Superlative Chronometer Officially Certified" dial the 6611 introduced. Image via Antiquorum.]]

The 6611 introduces the four-line "Superlative Chronometer Officially Certified" text at six o'clock, the first Rolex of any line to carry it. The wording is a direct consequence of the COSC certification the upgraded caliber earned, and it replaces the pre-SCOC lines of the 6510/6511 ("Superlative Chronometer by Official Test" or "Officially Certified Chronometer"). Beyond the text, the dials follow the period layout: the full-word day aperture at twelve, the date at three, applied faceted gold indices, and a shift toward alpha hands where the originals ran dauphine.

Hands and lume vary across surviving examples. The yellow-gold Serpico y Laino 6611B was catalogued with luminous alpha hands and applied faceted baton indexes, while the white-gold Phillips 6611B carried non-luminous leaf-shaped hands, black enamel hand centres, and no luminous dots at the hour markers. On these early Day-Dates, dial language, market disc, metal, and lume package move independently.

{| class="wikitable"
|-
! dial
! indices / detail
! text
! documented on
|-
| champagne / gold
| applied faceted gold batons, pie-pan profile
| English SCOC
| yellow gold (Antiquorum 2017 lot 136, Serpico y Laino)
|-
| pale champagne / silvered
| applied baton markers, pie-pan, no diamonds
| English SCOC
| white gold 6611B (Phillips 2015 lot 154)
|-
| German-script
| German day disc, oversized "DAY-DATE", red date
| "Superlativer Chronometer Amtlich Geprüft"
| yellow gold (Phillips 2015 lot 50, probably unique)
|-
| satiné silver
| tritium baton indices
| English SCOC
| steel École prize watch (Antiquorum 2002 lot 37)
|}

The day disc follows the retail market — English, French, German, Italian, Spanish and Portuguese discs are all documented, and the German-script Phillips lot, catalogued as probably unique, was likely built to win orders in German-speaking markets. The 6611 era is also where Arabic day discs first appear: SJX dates the spelled-out-Arabic dials to the late 1950s, with the date wheel kept in the Western "roulette" style, odd numbers in red and even in black. Diamond hour markers belong to the diamond-bezel 6613 and the precious-metal configurations rather than the standard 6611.

==Case, bezel, crystal, and crown==

[[File:Ref 6611 pink-gold.webp|thumb|right|250px|alt=pink-gold 6611|An 18k pink-gold 6611 with a fluted pink-gold bezel and warm radium dial patina.]]

The 6611 uses the 36mm three-piece Oyster case carried over from the originals: screw-down Twinlock crown, screw-down caseback, acrylic crystal. The bezel is the fluted "Millerighe" in 18k gold matching the case, the finish that became the Day-Date signature and the one that separates the 6611 from its smooth-bezel sibling, the 6612.

The metals are yellow, pink and white gold. Yellow gold is the common case material; pink and white gold are scarcer, and the white-gold examples are usually diamond-set, which is what made the plain white-gold 6611B at Phillips notable enough to call out. Platinum and factory diamond-set dials are sometimes listed among the cluster's options, but no platinum or factory-diamond 6611 has surfaced at auction — Sotheby's treats the early references as gold only, and the diamond-bezel reference of the cluster is the 6613. The safe reading is that platinum and diamond-set examples belong to the 6613, not the 6611.

==Bracelets, end links, and clasps==

The 6611 is the first Day-Date to wear the President, the three-piece semi-circular-link bracelet designed for this watch and now inseparable from it. The 6510 and 6511 launched on the Jubilee; the President arrives here in 1957. One of the earliest examples in the record is the President on the German-script Phillips lot, its folding clasp stamped 2.57. The bracelet is widely attributed to Gay Frères on contract to Rolex, though that maker attribution rests on dealer and blog sources rather than primary documentation. The bracelet's name is older than the watch's: a 1957 Italian newspaper advertisement reproduced by Rolex Magazine already calls it the "President," years before Lyndon Johnson's presidency attached the name to the watch itself in the mid-1960s. The cross-family detail sits on [[Reference:Bracelets]].

That advertisement is useful because it names the bracelet, not just the watch. The Italian copy describes the Day-Date as solid 18k gold with bracelet "PRESIDENT" 7286/16; the same Rolex Magazine piece also reproduces a 1958 Canary Islands catalogue and a 1959 German advertisement using the President/Präsident bracelet language. For the 6611, that makes the bracelet name a launch-period sales term rather than a later American political nickname applied backwards.

As with the originals, the bracelet on a surviving 6611 does not always match the head: clasp date codes date the bracelet, not the watch, and service swaps are common across seventy years.

==Special branches==

===Steel examples===

A small number of 6611s exist in stainless steel, and they are among the most argued-over watches in the Day-Date story. Two overlapping populations sit behind them. One is a set of École d'Horlogerie de Genève prize watches, their casebacks engraved "Ecole d'Horlogerie de Genève – 1963" and given to top graduates of the Geneva watchmaking school; Antiquorum sold one in 2002 and catalogued the reference as 6611 while noting, in the same lot, that the model "was first created under the reference No. 6511." The other is a run of factory prototype or scholar pieces made before the launch, cased without reference numbers.

The sources do not agree on how many exist or what to call them. Antiquorum counts six, Monochrome five, and Phillips four; the prize-watch and prototype framings are treated as one population by some and two by others. The most expensive of them, an ex-John Goldberger steel example with case number 99,272, was sold by Monaco Legend in 2024 as a reference 6511, not a 6611, on the strength of its first-generation caliber 1055 and riveted Oyster bracelet. The steel Day-Date is best treated as a disputed branch shared between the two reference numbers rather than a settled 6611 variant.

Antiquorum's 2002 lot essay gives one more version of the steel story: it says the six steel watches followed a marketing test in which demand proved stronger for gold, after which Rolex stopped steel production and kept the Day-Date in precious metals. That explanation should be treated as an auction-house account, not Rolex archive, but it explains why steel 6611s sit awkwardly between prototype, school-prize watch, and aborted-commercial-reference categories.

===The 6611B===

[[File:Ref 6611 white-gold.webp|thumb|right|250px|alt=white-gold 6611B|A white-gold 6611B with a pale-champagne pie-pan dial and no diamonds — the rare plain configuration. Image via Phillips.]]

A late sub-variant, the 6611B, carries a movement plate about 0.1mm thicker than the standard 6611 — the same plate change that the 1055B caliber designation tracks. It is rare and turns up across metals: a plain white-gold example at Phillips, a Serpico y Laino-retailed yellow-gold example at Antiquorum. The external case is stamped 6611; the "B" appears in service paperwork and registries.

The Serpico y Laino example is more than a retailer signature. Antiquorum's 2017 lot records case no. 386,339, a matching Spanish day disc, and a "big logo" Rolex bracelet dated 1958, describing the package as made for Spanish markets. That gives the 6611B a documented export-market branch, not just a late movement-code branch.

==Auction record==

{| class="wikitable"
|-
! sale
! date
! metal
! result
! notes
|-
| Phillips, The Geneva Watch Auction TWO, lot 154
| 7 Nov 2015
| white gold (6611B)
| CHF 93,750
| case 401,546 (1958), pale-champagne pie-pan dial, no diamonds — prized for being plain
|-
| Antiquorum, Exceptional Horological Works of Art, lot 37
| 19 Oct 2002
| stainless steel
| CHF 50,600
| École d'Horlogerie de Genève prize watch, caseback engraved 1963, one of about six steel examples
|-
| Phillips, Glamorous Day-Date, Geneva, lot 50
| 9 May 2015
| yellow gold
| CHF 45,000
| case 214,124, German-script SCOC dial, probably unique; President clasp stamped 2.57
|}

A plain gold 6611 is a comparatively modest buy, with examples clearing in roughly the CHF 12,000–20,000 range; the white-gold 6611B and the steel prize watch are the clear exceptions on rarity. Pink-gold and yellow-gold 6611B examples appear in the record at Sotheby's, and a Serpico y Laino yellow-gold 6611B at Antiquorum documents the English-SCOC dial, but several of those lot pages are now delisted and their results are not confirmed. The ex-Goldberger steel example sold for EUR 1,196,000 in 2024, but it was catalogued as a 6511, and as a one-off prototype it sits outside any 6611 price band.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://mondanibooks.com/rolex-day-date-history/ ''Rolex Day-Date Volume (Mondani Editore)'' — Mondani Family, Guido Mondani Editore]
* [https://www.puccipapaleo.com/bookstore/day-date/ ''Day-Date — The Presidential Rolex'' — Pucci Papaleo Editore, Spin Edizioni, 2015-05]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]
* [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ Monochrome editorial, "In-Depth: The History of the Rolex Day-Date, The Presidential Watch", Monochrome Watches]
* [https://monochrome-watches.com/more-precious-than-gold-the-rolex-day-date-ref-6611-in-steel/ Monochrome editorial, "More Precious Than Gold! — The Rolex Day-Date ref. 6611 in STEEL", Monochrome Watches]
* [https://www.fratellowatches.com/rolex-day-date-historical-overview-of-rolexs-flagship/ Fratello editorial, "Rolex Day-Date — Historical Overview Of Rolex's Flagship", Fratello Watches]
* [https://watchbase.com/blog/2015/02/21/rolex-day-date-history WatchBase editorial, "Rolex Day-Date History", WatchBase, 2015-02-21]
* [https://watchbase.com/rolex/caliber/1055b WatchBase, "Rolex caliber 1055B (registry page)", WatchBase]
* [https://www.rolexmagazine.com/2010/09/1956-very-first-rolex-day-date.html Jake Ehrlich, "1956 — The Very First Rolex Day-Date", Rolex Magazine (Jake's Rolex World), 2010-09]
* [https://watchesbysjx.com/2016/09/hands-on-with-the-rolex-day-date-40-eastern-arabic-middle-east-edition-plus-a-brief-history-of-the-arabic-day-date.html Adel Al-Rahmani with Eric Ku, "A Brief History of the Arabic Day-Date (with the Day-Date 40 Arabic special edition hands-on)", SJX Watches, 2016-09]
* [https://www.rolexmagazine.com/2021/10/rolex-president-ad-from-1957-uncovered.html Jake Ehrlich, "Rolex President Ad From 1957 Uncovered", Rolex Magazine (Jake's Rolex World), 2021-10]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-31-37 Antiquorum, "Rolex Day-Date Ref. 6611 steel, École d'Horlogerie de Genève prize watch, Antiquorum lot 37", Antiquorum, 2002-10-19]
* [https://www.phillips.com/detail/rolex/CH080115/50 Phillips (in association with Bacs & Russo), "Rolex Ref. 6611 yellow gold, German-script SCOC dial, Phillips Glamorous Day-Date lot 50", Phillips, 2015-05-09]
* [https://www.phillips.com/detail/rolex/CH080515/154 Phillips (in association with Bacs & Russo), "Rolex Ref. 6611B white gold (no diamonds), Phillips The Geneva Watch Auction TWO lot 154", Phillips, 2015-11-07]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6611b-lot-307-136 Antiquorum, "Rolex Ref. 6611B yellow gold, Serpico y Laino, English SCOC dial, Antiquorum lot 136", Antiquorum, 2017-05-14]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-35/lot-110 Monaco Legend Auctions, "Rolex steel Day-Date prototype sold as Ref. 6511 (ex-Goldberger), Monaco Legend lot 110", Monaco Legend Auctions, 2024-10-19]

[[Category:Day-Date]]
[[Category:working-draft]]
[[Category:References]]

Reference:submariner

2026-06-29T01:23:22Z

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{{DISPLAYTITLE:Rolex Submariner}}
{{#seo:
|title=Rolex Submariner — Reference Guide to Every Model & Year | BezelBase
|description=Every Rolex Submariner reference from the 1953 original through the current 41mm generation. Production histories, dial variants, movement specs, and collector context.
|keywords=Rolex Submariner, vintage Submariner, 5512, 5513, 1680, 16610, 116610, 126610, dive watch, collector guide
|image=Submariner vintage poster.webp
|image_alt=Vintage Rolex Submariner advertising — the watch that defined the dive watch category
|type=Article
|og_type=article
|published_time=2026-04-14T19:18:33Z
|modified_time=2026-06-04T04:43:01Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Submariner ==
The Submariner is Rolex's core dive watch and the model that fixed the basic template every other dive watch later borrowed from. Rolex introduced the first Submariner, the 6204, in 1953, and the line has run continuously since. Four broad eras follow: pre-crown-guard watches through the late 1950s, the long acrylic crown-guard run led by the 5512 and 5513, sapphire-crystal five-digit references from 1979, and ceramic six-digit references from 2010.

[[File:Submariner vintage poster.webp|thumb|center|400px|alt=Vintage Rolex Submariner advertising — the watch that defined the dive watch category|Vintage Rolex Submariner advertising — the watch that defined the dive watch category]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a long-run vintage Sub with crown guards?'' '''[[Reference:5513|5513]]''' — twenty-seven years of production, four dial generations (gilt, matte, Bart Simpson, white-gold-surround). The mid-vintage benchmark.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching a Red Sub or the first date Submariner?'' '''[[Reference:1680|1680]]''' — first date Sub, first depth rating on the dial, the platform that hosts the Red Sub and White Sub eras.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a five-digit modern Sub?'' '''[[Reference:16610|16610]]''' — the twenty-three-year five-digit benchmark on caliber 3135, sapphire crystal, the canonical 1987–2010 Submariner.
|}

== Early Submariner (1953–1959) ==

Six years of unsettled design before the line found its shape. Crown sizes changed, depth ratings jumped from 100m to 200m, hands shifted from pencil to Mercedes, and the dial alternated between a clean three-line layout and an Explorer-style 3-6-9. The grouped sub-family page ([[Reference:submariner-early-family|early family]]) carries the cross-reference map across the 6204, 6205, 6200, 6536, 6536/1, and 6538.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Depth !! Case !! Key distinction
|-
| [[Reference:6204|6204]] || 1953–1954 || A260 || 100m || 36mm SS || First Submariner
|-
| [[Reference:6205|6205]] || 1953–1954 || A296 || 100m || 36mm SS || Parallel early production; minor case/dial variations
|-
| [[Reference:6200|6200]] || 1953–1954 || A296 || 200m || 36mm SS || "King Sub" — oversized 8mm crown, Explorer dial option
|-
| [[Reference:6536|6536]] || 1954–1958 || A296/1030 || 100m || 36mm SS || Transitional; smaller crown, Mercedes hands
|-
| [[Reference:6538|6538]] || 1957–1960 || 1030 || 200m || 38mm SS || James Bond Sub (Connery); large crown, no crown guards
|}

== Crown-guard era (1958–1990) ==

The Submariner takes the form it would carry for three decades. Crown guards arrived on the 5512 in 1959, the chronometer / non-chronometer split hardened into the 5512 / 5513 pairing, and the 1680 added the date complication in 1969. The 5512, 5513, 5514, and 5517 are tracked together on the [[Reference:submariner-5xxx-family|5xxx-family]] page.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date
|-
| [[Reference:5508|5508]] || 1958–1962 || 1530 || No-date || 38mm SS || Last pre-crown-guard no-date
|-
| [[Reference:5510|5510]] || 1958–1960 || 1530 || No-date || 38mm SS || Rare transitional; crown guard + no crown guard variants
|-
| [[Reference:5512|5512]] || 1959–1980 || 1530/1560/1570 || No-date || 40mm SS || Chronometer; crown guards; gilt and matte eras; 17,338 units
|-
| [[Reference:5513|5513]] || ~1962–1989 || 1520/1530 || No-date || 40mm SS || 27-year run; non-chronometer; gilt, matte, Bart Simpson variants
|-
| [[Reference:5514|5514]] || 1960–1978 || 1520 || No-date || 40mm SS || COMEX; helium escape valve
|-
| [[Reference:5517|5517]] || 1972–1979 || 1520 || No-date || 40mm SS || British Military; MOD markings, fixed spring bars
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date
|-
| [[Reference:1680|1680]] || 1969–1979 || 1575 || Date || 40mm SS || First date Sub; Red Sub (6 marks) and White Sub eras
|}

== Five-digit era (1979–2010) ==

Sapphire crystal replaced acrylic, the movement line advanced from caliber 3035 to 3135, and Rolex broadened the catalog with two-tone and full-gold variants running alongside the steel benchmark.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date (steel)
|-
| [[Reference:14060|14060]] || 1990–2000 || 3000 || No-date || 40mm SS || Sapphire crystal, caliber 3000
|-
| [[Reference:14060M|14060M]] || 2000–2012 || 3130 || No-date || 40mm SS || Superlative Chronometer certification
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (steel)
|-
| [[Reference:16800|16800]] || 1979–1986 || 3035 || Date || 40mm SS || Transitional; first sapphire crystal Sub Date
|-
| [[Reference:16610|16610]] || 1987–2010 || 3135 || Date || 40mm SS || 23-year benchmark; solid end links, Parachrom late
|-
| [[Reference:16610LV|16610LV]] || 2003–2010 || 3135 || Date || 40mm SS || "Kermit" — first green bezel, 50th anniversary
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (precious metal)
|-
| [[Reference:16803|16803]] || 1984–1988 || 3035 || Date || 40mm SS/YG || Two-tone; blue or black dial
|-
| [[Reference:16808|16808]] || 1984–1988 || 3035 || Date || 40mm YG || Full 18k yellow gold
|-
| [[Reference:16613|16613]] || 1988–2010 || 3135 || Date || 40mm SS/YG || Two-tone successor to 16803
|-
| [[Reference:16618|16618]] || 1988–2010 || 3135 || Date || 40mm YG || Full gold successor to 16808
|}

== Six-digit era (2010–2020) ==

Cerachrom ceramic bezels, Glidelock micro-adjust bracelets, and, for the 126 series that replaced these in 2020, the move from 40mm to 41mm. The six-digit Subs are the most technically refined the line has been, though many collectors still prefer how the five-digit era wears.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Type !! Case !! Key distinction
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | No-date
|-
| [[Reference:114060|114060]] || 2012–2020 || 3130 || No-date || 40mm SS || "Last small Sub" — ceramic bezel, maxi dial
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (steel)
|-
| [[Reference:116610LN|116610LN]] || 2010–2020 || 3135 || Date || 40mm SS || Cerachrom bezel, Glidelock bracelet
|-
| [[Reference:116610LV|116610LV]] || 2010–2020 || 3135 || Date || 40mm SS || "Hulk" — green dial + green ceramic bezel
|-
| colspan="6" style="background:#f5f5f5; font-weight:bold;" | Date (precious metal)
|-
| [[Reference:116613|116613]] || 2010–2020 || 3135 || Date || 40mm SS/YG || Two-tone, Cerachrom
|-
| [[Reference:116618|116618]] || 2010–2020 || 3135 || Date || 40mm YG || Full gold, Cerachrom
|-
| [[Reference:116619LB|116619LB]] || 2010–2020 || 3135 || Date || 40mm WG || "Smurf" — white gold, blue bezel
|}

== Special branches ==

Two institutional branches sit alongside the retail line. The [[Reference:comex|COMEX]] program issued seven references (5513, 5514, 1665, 16660, 16800, 16600, 16610) to Compagnie Maritime d'Expertises in Marseille between 1971 and 1997 for saturation diving; the 5514 was built as a dedicated COMEX product, the rest are retail references modified or marked at supply. The [[Reference:milsub|MilSub]] is the British military configuration of the 5513 and 5517 issued to Royal Navy and Army units between roughly 1971 and 1979, with fixed bars, a fully graduated 60-minute bezel, sword hands, T SWISS T tritium dial, and broad-arrow caseback engraving.

== Movement progression ==

{| class="wikitable"
|-
! Caliber !! Frequency !! Power reserve !! Used in !! Notes
|-
| A260/A296 || — || — || 6204, 6205, 6200, 6536 || Pre-1530 era
|-
| 1030 || — || — || 6536 (late), 6538 || Crown-guard transition
|-
| 1520 || 19,800 vph || — || 5513, 5514, 5517 || Non-chronometer path
|-
| 1530 || 18,000 vph || — || 5508, 5510, 5512 (early) || First crown-guard movements
|-
| 1560/1570 || 18,000/19,800 vph || — || 5512 || Chronometer path; hacking 1972
|-
| 1575 || 19,800 vph || — || 1680 || Date complication
|-
| 3000 || 28,800 vph || 48 hr || 14060 || First modern no-date movement
|-
| 3035 || 28,800 vph || 48 hr || 16800, 16803, 16808 || First sapphire-crystal era date
|-
| 3130 || 28,800 vph || 48 hr || 14060M, 114060 || Parachrom; Superlative Chronometer
|-
| 3135 || 28,800 vph || 48 hr || 16610–116619LB || The 3135 era; 23+ years
|}

== Related families ==

* [[Reference:sea-dweller|Sea-Dweller]] — the deeper-rated sibling, helium escape valve, depth rating to 1,220m. Covers 1665, 16660, 16600, 116600.
* [[Reference:gmt-master|GMT-Master]] — the parallel sports line. Same case-era splits (acrylic, sapphire, ceramic), GMT hand instead of the Submariner's elapsed-time bezel.
* [[Reference:explorer|Explorer]] — same 1953 launch year as the 6204, similar case construction, tool-watch restraint.

== Sources ==
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ History of the Rolex Submariner - Part 1] — Tom Mulraney, Monochrome
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ History of the Rolex Submariner - Part 2] — Tom Mulraney, Monochrome
* [https://monochrome-watches.com/rolex-submariner-history-part-4-modern-references/ History of the Rolex Submariner - Part 4] — Tom Mulraney, Monochrome
* [https://www.sothebys.com/en/articles/how-to-start-collecting-the-rolex-submariner Submariner Collector's Guide] — Stephen Pulvirent, Sotheby's
* [https://www.hodinkee.com/articles/rolex-submariner-reference-points Reference Points: The Rolex Submariner] — Stephen Pulvirent, Hodinkee

[[Category:Submariner]]
[[Category:Family Index]]

Reference:6610

2026-06-29T01:23:20Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex 6610 Explorer}}
{{#seo:
|title=Rolex Explorer 6610 — Cal 1030, Gilt Dial | BezelBase
|description=The 6610 is the second-generation Explorer, 1955–59 active production into 1963 leftover stock. Caliber 1030 chronometer, gilt chapter-ring dials with red-depth and no-depth variants, the "Albino" white-dial sub-branch.
|keywords=Rolex, 6610, Explorer, caliber 1030, red depth, Albino, tropical, Officially Certified Chronometer
|image=Ref 6610 hero 2.webp
|image_alt=Explorer 6610 — black Officially Certified Chronometer dial
|type=Article
|og_type=article
|published_time=2026-04-16T04:29:53Z
|modified_time=2026-06-29T01:21:58Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:explorer|Explorer]] -> '''6610'''

The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across major-house lots, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first bidirectional self-winding caliber, with the butterfly rotor that replaces the thicker uni-directional autowind module of the A296 used on the 6150 / 6350 / 6098 — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."



[[File:Ref 6610 hero 2.webp|thumb|right|250px|alt=Explorer 6610 — black Officially Certified Chronometer dial|Explorer 6610 — black Officially Certified Chronometer dial]]

== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6610
|-
| family
| Explorer
|-
| production
| 1955–1959 active manufacture (Hodinkee Reference Points; Phillips, Sotheby's, Bonhams catalogues); leftover stock cased into 1963. VRFM gives 1959 as start year — minority view
|-
| serial bands
| 113,092 → 360,272+ across documented lots; red-depth concentrated in 113,xxx (first-year batch)
|-
| case
| 36mm stainless steel, smooth fixed bezel with knurled outer edge, polished top
|-
| caseback
| flatter than the 6150's bubble-back profile — the cleanest visual differentiator
|-
| crystal
| acrylic
|-
| movement
| caliber 1030, 25 jewels, COSC chronometer-rated, adjusted to 5 positions and temperature
|-
| dial
| lacquered black gilt with chapter ring; Mercedes hour, baton minute, lollipop seconds; radium lume throughout (no tritium variants)
|-
| dial text
| "Explorer" + "Officially Certified Chronometer" (OCC); some early examples carry red "50m" depth print, dropped mid-run
|-
| bracelet
| 6636 expandable rivet or 7206 fixed-link rivet with 57/58 end-links — period-correct delivery; 9315 folded-link is post-1968 service replacement
|}


== Where it sits in the line ==

The 6610 replaces the pre-Explorer 6150 and the chronometer-rated 6350. Both predecessors ran the A296 — a full-rotor uni-directional Perpetual, thicker than what came after. The 6610's caliber 1030 is the first bidirectional self-winding Rolex, the butterfly-rotor architecture that runs forward through the 1530 series and into the 1560 that powers the early 1016. The Field Manual describes the 6150 and 6610 as "indistinguishable from one another" except for the movement (A296 versus 1030) and the flatter caseback on the 6610. Side by side the caseback profile is immediate.

The 6610 sits as the bridge between the early Explorer cluster (6098, 6150, 6350) and the long-running 1016 that succeeds it. Hodinkee's Reference Points piece on the Explorer (Bues, 2018) puts the 6610 between the 6350 (1953–55) and the 1016 (1959 onwards). The 1016 then runs for thirty years on caliber 1560 and eventually 1570, but the 6610 is where the modern Explorer dial settles.


== Production outline ==

Active production runs 1955 to 1959 across the Phillips, Sotheby's, Bonhams, and Antiquorum lot corpus surveyed. Hodinkee's Reference Points Explorer guide (Bues, 2018) gives the same window. Monochrome's Explorer family history (Geelen, 2024) extends the dispatch window to 1963, reading the late market presence as leftover stock dispatched after Rolex had moved to the 1016 in 1959. The Field Manual gives 1959 as the start year and does not specify an end — a minority view that the rest of the corpus does not corroborate. This stands as a date contradiction: 1955–59 active per the auction record + Hodinkee + Monochrome; 1959–63 per VRFM in start-only form.

Documented serial numbers run from 113,092 to 360,272+. Red-depth-printed dials concentrate in the first-year 113,xxx batch (Phillips Geneva 8 lot 95; Phillips Watch Auction One lot 167). Standard no-depth gilt examples populate the late-1950s bands. The serial-band evidence supports the 1955-active-production reading.


== Movement notes ==

The 6610 runs caliber 1030 — a 25-jewel automatic with self-compensating Breguet balance spring, monometallic balance with shock absorber, and 5-position chronometer adjustment with temperature compensation. The 1030 is Rolex's first bidirectional self-winding caliber and dropped the bubble-back caseback profile that the thicker A296 autowind module required for clearance. The Field Manual treats the movement as the primary distinguishing feature between the 6610 and the 6150; the two references are otherwise described as "indistinguishable."

The 1030 also runs concurrently on the 6536 / 6536-1 small-crown Submariner and on the 6538 big-crown Submariner — the same architecture serves Explorer and Submariner production through the late 1950s. COSC chronometer rating is universal on the 6610 (the dial reads "Officially Certified Chronometer"), distinguishing it from the non-chronometer 6150 that ran "Precision."


== Dial map ==

[[File:Ref 6610 hero.webp|thumb|right|260px|alt=6610 red depth rating dial|6610 red depth rating dial]]

Three named dial generations on the 6610. The auction corpus does not document an underline 6610 — the underline convention belongs to 1963-onwards 1016 production, by which point active 6610 production had ended.


=== Red depth 50m gilt (early) ===

The earliest 6610 dials carry a red-printed "50m=165ft" depth rating beneath the OCC line. Phillips Geneva 8 lot 95 (case 113,xxx) and Phillips Watch Auction One lot 167 anchor the variant; Antiquorum lot 368-493 documents another red-depth example. Red-depth dials concentrate in the 113,xxx serial cluster — first-year 1955 production. The red-depth signature is the cleanest dating anchor for an unrestored 6610. Documented red-depth examples populate the upper tier of the 6610 collector market.


=== Gilt, no depth (mid to late) ===

The mid- and late-run dial drops the depth-rating print, keeping the OCC line and the standard "Explorer" / 3-6-9 layout. Gilt printing on a glossy black lacquer ground; chapter ring on the perimeter; radium lume on the markers and Mercedes hands. Bonhams 29152 lot 24 and Bonhams 30669 lot 26 anchor the standard-gilt configuration; Sotheby's GE1904 lot 315 documents an unrestored gilt example with full-set provenance.


=== Tropical conversion ===

Black gilt that has shifted to brown under sustained UV. Documented but lower-frequency than the tropical 5512 / 6538 dials of the same period. Earlier examples (1955–1957) skew toward conversion. Sotheby's 2022 Fine Watches documented a tropical 6610 at the upper end of the conversion-dial market for Explorer references.


=== Albino (white dial) ===

The Albino is a white-dial 6610 — among the rarest of all Explorer dials in any reference. White ground with dark printing, in place of the black lacquered standard. Auction appearances are uncommon and surviving counts are not formally documented. How the Albino came to exist is not on public record. Whether it was a special order or a limited factory run has not been established, and Rolex has not published anything on it. The Albino sits at the apex of the 6610 collector market when examples surface.


=== Lollipop seconds hand evolution ===

The lollipop seconds hand — a circular aperture at the tip of the seconds hand — changes across the run. Early examples have a large circle aperture; later examples carry a noticeably smaller one. The transition has not been pinned to a specific serial range, but the small-vs-large lollipop is a useful corroborating dating cue alongside the case-back interior date stamp.


== Case, bezel, crystal, and crown ==

The 6610 case is 36mm stainless steel with a smooth fixed bezel — knurled outer edge, polished top, no insert. The bezel architecture is consistent across the entire run. The acrylic crystal sits in the standard Oyster mount. The caseback is the diagnostic — visibly flatter than the 6150's bubble-back profile, reflecting the slimmer caliber 1030 underneath. Side by side, the 6610's flatter caseback is immediate.

Crown markings follow the small-crown Brevet convention. The case carries radial brushing across the top with a polished bevel running along the lugs. Examples that have been over-polished show eroded lug chamfers — the cleanest single-point originality test on a vintage Explorer case.


== Bracelets, end links, and clasps ==

Period-correct delivery is the 6636 expandable rivet or the 7206 fixed-link rivet, both with 57 or 58 end-links. Both bracelets share the late-1950s Explorer / Submariner end-link cluster. The 9315 folded-link Oyster turns up frequently on cataloged 6610 examples but the clasp date codes prove these are post-1968 service replacements — not period-correct for any 6610. The 78360 folded-link Oyster (introduced in the 1970s) is a known service swap on later survivors.

Big Logo Swiss rivet bracelets surface on a small group of late 6610s; whether they were original-delivery or later fitments is not always clear from the surviving record. Specialist documentation records a 1958 6610 with service papers on a Big Logo bracelet, which suggests a service-era refit rather than original delivery.


== Historical market and auction record ==

{| class="wikitable sortable"
|-
! Sale !! Lot !! Year !! Serial !! Variant !! Hammer
|-
| Phillips Geneva 8 || 95 || 2018 || 113,xxx || red-depth gilt || CHF 30,000+
|-
| Phillips Watch Auction One || 167 || 2015 || — || red-depth gilt || —
|-
| Phillips Hong Kong XV || 1055 || 2022 || — || red-depth gilt || HK$ 302,000
|-
| Antiquorum || 368-493 || — || — || red-depth || —
|-
| Bonhams || 29152/24 || — || — || standard gilt OCC || —
|-
| Bonhams || 30669/26 || — || — || standard gilt OCC || —
|-
| Sotheby's GE1904 || 315 || 2019 || — || unrestored gilt, full set || —
|-
| Sotheby's Fine Watches || — || 2022 || — || tropical 6610 || —
|}

The 6610 trades in three tiers. Red-depth dials with original 113,xxx-cluster serials sit at the top of the standard market — Phillips Hong Kong's HK$ 302,000 result is the headline figure. Tropical and no-depth gilt examples populate the upper-middle. Service-dial and refit examples settle at the lower end. The Albino, when it surfaces, sits in its own tier above all of the above. The reference's narrow collector audience values the technical handoff from the uni-directional A296 6150 to the bidirectional 1030, and the dial-side handoff from the 6350 OCC layout to the 1016 standard that follows.

== Sources ==

* [https://www.hodinkee.com/articles/rolex-explorer-reference-points A Comprehensive Collector's Guide To The Rolex Explorer I] — Jon Bues (Hodinkee, 2018)
* [https://monochrome-watches.com/history-rolex-explorer-from-1953-36mm-1016-14270-114270-214270-124270-in-depth-review/ The History of the Rolex Explorer] — Frank Geelen (Monochrome Watches, 2024)
* [https://www.bobswatches.com/rolex-blog/rolex-info/rolex-explorer.html Rolex Explorer Guide] (editorial)
* [https://www.woundforlife.com/2015/08/12/under-the-loupe-rolex-explorer-reference-6610/ Under the Loupe — Rolex Explorer Reference 6610] (Wound For Life, 2015)
* [https://www.phillips.com/detail/rolex/CH080218/95 Rolex Explorer 6610 — Phillips Geneva 8, lot 95] (Phillips, 2018)
* [https://www.phillips.com/detail/rolex/CH080215/167 Rolex Explorer 6610 — Phillips Watch Auction One, lot 167] (Phillips, 2015)
* [https://www.phillips.com/detail/rolex/HK080222/1055 Rolex Explorer 6610 — Phillips Hong Kong XV, lot 1055] (Phillips, 2022)
* [https://www.bonhams.com/auction/29152/lot/24/ Rolex Explorer 6610 — Bonhams lot 29152/24] (Bonhams)
* [https://www.bonhams.com/auction/30669/lot/26/ Rolex Explorer 6610 — Bonhams lot 30669/26] (Bonhams)
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6610-explorer-lot-368-493 Rolex Ref. 6610 Explorer — Antiquorum lot 368-493] (Antiquorum)
* [https://www.sothebys.com/en/auctions/ecatalogue/2019/important-watches-ge1904/lot.315.html Sotheby's GE1904 lot 315] (Sotheby's, 2019)
* [https://www.sothebys.com/en/buy/auction/2022/fine-watches-2/reference-6610-explorer-a-stainless-steel Reference 6610 Explorer tropical — Sotheby's Fine Watches] (Sotheby's, 2022)
* [https://www.41watch.com/en/journal/buyers-guides/the-origins-of-the-rived-rolex-oyster-bracelets The Origins of Riveted Rolex Oyster Bracelets] (41Watch)
* [https://www.craftandtailored.com/products/1958-rolex-explorer-i-ref-6610-gilt-chapter-ring-dial 1958 Rolex Explorer I Ref. 6610 — gilt chapter-ring] (Craft and Tailored)
* [https://tropicalwatch.com/watches/1958-rolex-explorer-6610-gilt-dial-with-service-papers/bwnd 1958 Rolex Explorer 6610 — gilt dial with service papers] (Tropical Watch)
* [https://bulangandsons.com/products/rolex-explorer-gilt-dial-6610 Rolex Explorer 6610 gilt dial]
* [https://rolexpassionmarket.com/watches/rolex-explorer-ref-6610/ Rolex Explorer Ref. 6610] (Rolex Passion Market)
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Explorer]]

Reference:sea-dweller

2026-06-29T01:23:19Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex Sea-Dweller}}
{{#seo:
|title=Rolex Sea-Dweller — Complete Reference Guide — BezelBase
|description=Every pre-2020 Rolex Sea-Dweller reference, from the 1967 Single Red prototypes through the 2014–2017 116600 reissue. Production histories, dial mark generations, COMEX deliveries, movement specs, and collector context.
|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar
|image=Sea-dweller vintage poster.webp
|image_alt=Rolex Sea-Dweller 1979 magazine advertisement
|type=Article
|og_type=article
|published_time=2026-05-16T03:28:48Z
|modified_time=2026-06-04T04:42:59Z
|robots=index,follow,max-image-preview:large
}}

= Rolex Sea-Dweller =

The Sea-Dweller is the Rolex reference built for saturation diving — the Submariner with a helium escape valve. The line opens in 1967 with a small batch of Single Red prototypes hand-made in Geneva for the US Navy's SEALAB 3 programme and the Tektite I saturation experiment. Civilian retail begins in 1971 with the 1665 Double Red. The line runs through four canonical references over fifty years, with the 116600 closing the pre-2020 small-case era in 2017.

The operational distinction sits at 9 o'clock on the case. A one-way helium release valve, Swiss patent CH492246 (filed November 1967, granted June 1970), lets helium dissolved in the watch during long mixed-gas chamber dives escape during decompression without popping the crystal off the case. The Submariner has no valve. Saturation divers need one. The Sea-Dweller is what Rolex built to give it to them.

This index covers every pre-2020 Sea-Dweller reference. The current-production 126600 (2017 onward) and 126603 (2019 onward) sit outside scope.

[[File:Sea-dweller vintage poster.webp|thumb|center|400px|alt=Rolex Sea-Dweller 1979 magazine advertisement|Rolex Sea-Dweller 1979 magazine campaign: "Why the Rolex Sea-Dweller never gets the bends"]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a vintage acrylic-crystal SD?'' '''[[Reference:1665|1665]]''' — caliber 1575 without quickset, three dial generations — Single Red prototypes, Double Red Mk I–IV, Great White Mk 0–IV — and the 1976–1981 COMEX 300-unit run.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching a Triple Six?'' '''[[Reference:16660|16660]]''' — first sapphire-crystal Sea-Dweller, depth doubled to 1,220m, Andrea Piccinini's eight-tier dial taxonomy.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a long-run modern SD?'' '''[[Reference:16600|16600]]''' — the twenty-year long run on caliber 3135, three lume eras (tritium, Luminova, Super-LumiNova), and the last Sea-Dweller with an aluminum bezel insert.
|}

== Vintage acrylic-crystal era ==

The 1665 is the only Sea-Dweller with an acrylic crystal. Caliber 1575 with date but no quickset. Helium escape valve introduced. The reference runs through three dial generations across sixteen years — Single Red, Double Red Mk I–IV, and Great White Mk 0–IV.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:1665|1665]] || 1967 prototypes; 1971 civilian; 1983 end || 1575 || Acrylic || 610m / 2000ft || First Sea-Dweller. Three dial generations: Single Red (12 surfaced), Double Red Mk I–IV (Patent Pending caseback Mk I in 1.7M and 2.1M batches), Great White Mk 0–IV. COMEX 300 units 1976–81 with issue numbers 2000–2300. Asprey Khanjar branch with Sultan Qaboos crest.
|}

== Triple Six — sapphire crystal, cal 3035 (1978–1988) ==

The 16660 is the first sapphire-crystal Sea-Dweller, the first with a unidirectional bezel, and the first with quickset date. Depth rating doubled to 1220m / 4000ft. Caliber 3035 replaces the cal 1575. Production overlaps the 1665 for five years (1978 to 1983).

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:16660|16660]] || 1978–1988 || 3035 || Sapphire || 1220m / 4000ft || "Triple Six". Andrea Piccinini's 8-tier dial taxonomy (MK0 / MK1 / MK1 bis / MK2 Beyeler matte "Pallettoni" → MK3 Stern glossy spider dial → MK4 / MK4 bis Lemrich → MK5 Beyeler "Bicchierini"). Caseback typology external Mk1–4 + internal Mk1–3. COMEX ~200 units 1980–84 issue 3000–3199 in two batches. Tiffany-signed branch the rarest retailer-signed Sea-Dweller.
|}

== Long-run cal 3135 (1989–2008) ==

The 16600 carries the 16660 case forward and replaces the movement. Caliber 3135 with full balance bridge. White-gold-surround applied indices throughout. Production spans three lume eras — tritium MK1, Luminova MK2 (short window late 1998 to early 2000), Super-LumiNova MK3. The 16600 is the last Sea-Dweller with an aluminum bezel insert and the last to wear tritium.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:16600|16600]] || 1989–2008 || 3135 || Sapphire || 1220m / 4000ft || The long-run Sea-Dweller. 20 years of continuous production — longest of any SD reference. MK1 tritium → MK2 Luminova "SWISS" → MK3 Super-LumiNova "SWISS MADE" → MK4 short-FT. 93160 bracelet throughout (not 93150 — strip-on-sight). COMEX 16600 ~200 units in 1992 first batch (issue 32XX, straight caseback engraving) + 1997 second batch (issue 33XX, curved engraving — final Rolex–COMEX delivery). Theo Mavrostomos #3379 case U139'751 the most-documented SD example. Polipetto Polizia di Stato 78-unit 2008 commission.
|}

== Modern reissue — 116600 (2014–2017) ==

After the 116660 Deepsea moved the Sea-Dweller line to 44mm in 2008, the 116600 returns the reference to its canonical 40mm Oyster case. Three-year production. Caliber 3135 with Parachrom Blu hairspring (first Parachrom on a Sea-Dweller). Cerachrom ceramic bezel insert with platinum-coated graduations. Maxi dial with applied white-gold-surround indices and Chromalight lume. The "4000" depth designation drops from the dial despite the watch being marketed as "Sea-Dweller 4000".

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
|-
| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Blu || Sapphire || 1220m / 4000ft || Three-year reissue. First Cerachrom-bezel Sea-Dweller. Maxi dial, Chromalight lume, 97200 bracelet with Glidelock + Fliplock. Last 40mm Sea-Dweller before the 126600 took the line to 43mm. No mark generations — single dial, single bracelet, cleanest variant set in the SD line. Random scrambled serials throughout.
|}

== Helium escape valve ==

The HEV sits at 9 o'clock on every Sea-Dweller. Swiss patent CH492246, filed 6 November 1967, granted June 1970. The concept emerged from SEALAB diver Bob Barth's feedback on lost crystals during chamber decompression. Helium dissolves through case gaskets at saturation pressure; on ascent, the trapped gas expands and pops crystals off the case if it cannot escape. The valve is a one-way spring-loaded relief mechanism: internal pressure above the spring threshold opens it, the spring re-seats against water and dirt ingress on the way back down.

The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating. The 16600 and 116600 inherit the larger valve.

== Historical anchors ==

* 1967 — first Single Red prototypes delivered. Hand-made in Geneva for SEALAB 3 and Tektite I aquanauts. ~10 prototypes per T. Walker Lloyd (Rolex USA).
* 15 February 1969 — Berry Cannon SEALAB 3 death. Wore a valved Single Red during the fatal DDC decompression.
* Late 1971 — first co-branded Rolex–COMEX delivery. Batch of ten in the 2.6M serial range, double-signed and numbered 1 through 10.
* 17 February 1972 — formal Rolex–COMEX exclusivity letter. From Rolex Geneva to John M. Kelly, Singapore.
* 24 May 1972 — Physalie 6 record. Robert Gauret and Patrice Chemin reach 2000 feet / 610 metres wearing DRSDs. 233-hour, 17-day decompression schedule.
* 1992 — Theo Mavrostomos Hydra X dive. Reaches 701 metres over 43 days breathing Hydeliox. His 16600 caseback carries the inscription "Theo Mavrostomos – Hydrax – 701 M".

== Special branches ==

The four main Sea-Dweller references host institutional and retailer-signed branches whose provenance and authentication warrant separate treatment in the per-ref articles:

* Patent Pending caseback DRSD (1665 Mk I) — ~100 examples, hand-engraved caseback, 1.7M and 2.1M serial bands. Marcello Pisani's batch tables identify the canonical anti-fake checks (inside-back last-three-digits stamp present from 2.117M onward).
* COMEX 1665 — 300 numbered units 1976–81, issue 2000–2300, serial 5.14M–6.76M, "600m" depth on the dial. Three dial sub-generations track the Great White Mk system.
* COMEX 16660 — ~200 units 1980–84, issue 3000–3199, two batches matching the matte→glossy transition.
* COMEX 16600 — ~200 units in two batches, 1992 (issue 32XX, straight caseback engraving) and 1997 (issue 33XX, curved engraving). Final Rolex–COMEX delivery.
* Asprey Khanjar 1665 (Oman, Sultan Qaboos) — Red Khanjar with Qaboos signature in 3,566,9xx batch (~80–90 examples), gold Khanjar in 5.0M batch (4–5 known). Battle of Mirbat (July 1972) context.
* Single Red Sea-Dweller — ~10 hand-made prototypes 1967–69. ~12 surfaced. SEALAB 3 (Cousteau #1602920), Tektite I (Koblick #1602915, Waller), Deepstar (Bradley #1602913), COMEX Physalie (Brauer #1820177).
* US Navy Experimental Diving Unit — Patent Pending batch 2 (2.128M) loaned to USN EDU. Charles E. Gross #2128225 in a 28-day saturation simulation to 1000ft, June-July 1970.
* Polipetto 16600 (Polizia di Stato Sommozzatori, 2008) — 78 units for the 50th anniversary of the Italian State Police Diving Corps. 28 personalised with diver patent number on the caseback. Octopus emblem on the dial.
* Tiffany & Co retailer-signed 16660 — handful of surviving examples, barely surfaces on the public market.

== Reference guides ==

Cross-family material that applies across the Sea-Dweller line:

* [[Reference:Bracelets|Bracelets]] — the 9315, 93150, 93160, 78360, 97200 fitments and clasp date-code key
* [[Reference:Movements|Movements]] — caliber 1575 (1665), 3035 (16660), 3135 (16600 + 116600 with Parachrom Blu)
* [[Reference:Serial-numbers|Serial numbers]] — numeric 1967–1987, letter prefix 1987–2010, random alphanumeric 2010 onward

== Related families ==

* [[Reference:submariner|Submariner]] — the parent line. Same case, same bezel template — the Sea-Dweller is the Submariner with a helium escape valve.
* [[Reference:milgauss|Milgauss]] — the other specialist tool. Different threat (magnetism, not pressure), same purpose: a Rolex built for one specific working environment.
* [[Reference:gmt-master|GMT-Master]] — the parallel sports line. Same Cerachrom transition arrives on both lines in the late 2000s.

[[Category:Sea-Dweller]]
[[Category:Family]]

Reference:6552

2026-06-29T01:23:17Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex 6552 Air-King}}
{{#seo:
|title=Rolex 6552 Air-King — The First Automatic Air-King, Cal 1030 | BezelBase
|description=The 6552 is the first automatic Air-King — 1953 to 1957, 34mm steel Oyster, Cal 1030 (Rolex's first bidirectional self-winding caliber). The bridge between the hand-wound 4925 and the long-running 5500. "Super Precision" dial text despite chronometer-grade movement adjustment.
|keywords=Rolex, 6552, Air-King, Cal 1030, butterfly rotor, Super Precision
|image=Ref 6552 hero.webp
|image_alt=Rolex 6552 Air-King silvered dial
|type=Article
|og_type=article
|published_time=2026-05-02T00:07:44Z
|modified_time=2026-06-29T01:21:55Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:air-king|Air-King]] -> '''6552'''

The 6552 is the first automatic Air-King — a four-year reference (1953–1957) that sits between the hand-wound 4925 and the long-running 5500. Inside the case is Cal 1030, Rolex's first bidirectional self-winding caliber, with the butterfly rotor stamped ROLEX PERPETUAL PATENTED. The dial reads AIR-KING / SUPER PRECISION rather than the chronometer-rated OYSTER PERPETUAL text the contemporary Submariner and Explorer carried, even though the movement underneath was being adjusted to chronometer grade. The 6552 is where the Air-King first becomes the entry-tier Rolex with a flagship-tier movement underneath.

The reference is rare at major-house auction. Antiquorum's Mondani Collection lot 108-89 (Geneva, 14 May 2006) is the strongest single anchor; Dorotheum, Monaco Legend Group, and a handful of European weekly sales round out a documented record of four named-house lots in total. Phillips, Sotheby's, and Christie's have no standalone 6552 catalogue lot in the auction record through 2025 — the 5500 absorbs the major-house attention, and the four-year production window left fewer 6552s in circulation to anchor headline essay material.



[[File:Ref 6552 hero.webp|thumb|right|250px|alt=Rolex 6552 Air-King silvered dial|Rolex 6552 Air-King, silvered dial with applied baton indices, alpha hands, c.1958]]

== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6552 (caseback inside often stamped 6565 — period-correct, see Production outline)
|-
| family
| Air-King
|-
| common name
| "the Cal 1030 Air-King," "the first automatic Air-King"
|-
| production
| 1953–1957 active production; case-stock completion documented through 1959
|-
| case
| 34mm × 12.5mm stainless steel Oyster, smooth bezel, drilled lugs (19mm)
|-
| crystal
| acrylic plexiglass, domed
|-
| crown
| screw-down (Twinlock-era; Twinlock patent dates to 1953 but lot text on 6552s reads simply "screw-down")
|-
| movement
| Cal 1030, 25 jewels, 18,000 vph, ~42 hour reserve, bidirectional butterfly rotor, Breguet balance spring, monometallic balance adjusted to five positions and temperature
|-
| dial text
| "AIR-KING" + "SUPER PRECISION" — dial sub-chronometer-grade despite movement adjustment
|-
| chronometer
| no — dial text is "Super Precision" (entry-tier), not "Officially Certified Chronometer"
|-
| bracelet
| 19mm Oyster — period-correct rivet 7205 + 57 end-link (Craft + Tailored 1958 example)
|-
| water resistance
| 50m (Marcus Siems and Robb Report consensus); Time-Wire reads 100m — the 50m figure is better-sourced
|-
| caseback
| screw-down threaded Oyster; inside stamped 6565 (case-only ref shared with the chronometer-grade Oyster Perpetual sibling), 6552 stamped between the lugs
|-
| predecessor
| 4925 (1945–53, hand-wound Cal 10½ Hunter)
|-
| successor
| 5500 (1957–89, Cal 1530 then 1520)
|}


== Where it sits in the line ==

The 6552 closes the founding vintage Air-King trilogy. The 4925 (1945) introduced the Air-King name on a hand-wound 34mm Oyster. The 6552 (1953) carried the same case envelope forward but replaced the Cal 10½ Hunter with the bidirectional Cal 1030 — Rolex's first in-house designed chronometer-grade automatic caliber. The 5500 (1957) inherits the case again and runs Cal 1530 then 1520 across 32 years. The architecture handoff at each step is the same: keep the 34mm Oyster, swap the movement.

The 6552's Cal 1030 sits at the centre of an architecturally important moment. The same caliber powers the contemporary 6534 / 6536 small-crown Submariner (1955–58), the 6610 Explorer (1955–59), and the 6202 Turn-O-Graph at the end of its production. These four references — 6552 Air-King, 6536 Submariner, 6610 Explorer, 6202 Turn-O-Graph — share the Cal 1030's architecture and run roughly in parallel through the mid-1950s. The 6552 is the Air-King's only true Cal 1030 reference; by the 5500's introduction in 1957 the line is already moving onto the Cal 1530 / 1520 era.

The 1002 Oyster Perpetual that some sources identify as a 6552 sibling actually arrives later (1959 onward) and overlaps with the 5500 rather than the 6552. The 5504 (36mm oversized Air-King with an Explorer-case profile) sits parallel to the 5500 from 1958, post-dating the 6552.


== Production outline ==

The 1953 introduction year is consensus across Goldammer (Marcus Siems byline), Monochrome (Erik Slaven, January 2025), Robb Report's Air-King guide, ''Rolex Magazine'' (Jake Ehrlich), and Watch-Wiki. The 1957 retirement year — when the 5500 takes over — is similarly consensus. The four-year window is shorter than any other Air-King reference; the line moved fast through this caliber generation before settling on the 1530 family for the 5500.

One general-family editorial source conflates the 6552 with a non-existent 6652 throughout, dating "6652" to roughly 1954 and describing it as "12 months before the GMT." The reference number is wrong — there is no 6652 Air-King.

Surviving 6552s often carry case numbers that date to 1958 or 1959 — past the 1957 active-production end. Antiquorum lot 108-89 (case 437,255) is dated 1959; Monaco Legend Group July 2024 lot 72 (case 376,058) is 1958; Dorotheum lot 145-051401/0001 (case 376,310) is c.1958. The pattern is the same as the 6610 Explorer (active production ends 1959, retail through 1963) — leftover cases continued to be assembled and dispatched to dealers after the catalogue end-date, often with later parts and movement service swaps already in place.

Total production output is not published by Rolex. The four-year production window plus the 6552's modest profile in its day suggests substantially smaller output than the 5500. The reference is rare at major-house auction not because it was inherently scarce in production but because most surviving examples sit in the dealer market or in private collections rather than circulating through Phillips / Sotheby's / Christie's headline sales.

The caseback stamping deserves explicit attention. Inside the caseback the 6552 typically reads 6565 — the case-only reference shared with the chronometer-grade Oyster Perpetual sibling that ran in parallel and used the same case middle. The 6552 designation appears stamped between the lugs as the model reference. This duality is correct and original, confirmed across Antiquorum lot 108-89 ("the back is stamped 6552, the case is stamped 6565") and the Relojes Vintage Mexico Patrizzi-documented 1958 example. A 6552 caseback stamped only "6552" inside is unusual; "6565" inside with "6552" between the lugs is the period-correct configuration.


== Movement notes ==

The 6552 runs Cal 1030 — Rolex's first bidirectional self-winding caliber, introduced in 1950 with the butterfly rotor that succeeded the uni-directional thicker-rotor A-series Perpetuals (A260 / A290 / A295 / A296). The 1030 is the architectural fork in the Rolex movement timeline: every Rolex automatic before it was uni-directional and required the bubbleback caseback dome for rotor clearance; the 1030's slimmer butterfly rotor eliminated the need for the dome and powered the post-1950 generation of slim-cased Oysters.

Specifications across documented examples: 25 jewels, 18,000 vph, approximately 42-hour power reserve, Breguet balance spring, monometallic balance adjusted to five positions and temperature. The Antiquorum lot 108-89 catalogue text quotes the canonical spec: "Cal.1030, rhodium-plated with decoration. 25 jewels, straight line lever escapement, monometallic balance adjusted to five positions and temperature, with Breguet balance spring." Dorotheum's lot describes movement N809,993 with the same spec.

The chronometer status is the interesting question. The 6552's Cal 1030 movement was being adjusted to chronometer grade in many examples — the Antiquorum lot's "five positions and temperature" adjustment is itself the COSC adjustment standard. But the dial reads "AIR-KING / SUPER PRECISION" rather than "OFFICIALLY CERTIFIED CHRONOMETER," which keeps the watch in the entry tier despite the underlying movement quality. Marcus Siems makes the distinction explicit: "in contrast to other Oyster Perpetuals these Air-Kings weren't Chronometer certified and marked Super Precision." The 6552 walks the line — chronometer-grade movement, sub-chronometer dial designation. Both can be true simultaneously and frequently are on the same watch.

Eric Wind, writing at Wind Vintage in his Perpetual Movement Part 2 piece, describes the 1030's red-anodized aluminium wheels in the self-winding module as the first time Rolex's own self-winding architecture appeared, and frames the 1030 as the first in-house designed chronometer-grade calibre. The 1030 begins the line that runs forward through the 1530 / 1520 (5500 era), the 1560 (early 1016 Explorer), and the 1565 / 1570 (Submariner / Sea-Dweller). Reading the 6552 as the Air-King's only Cal 1030 reference puts it in the same architectural moment as the small-crown Submariners and the early Explorer.


== Dial map ==

Five documented dial variants surface in the major-house auction record. The 6552 dial map is narrower than the 5500 — fewer surfaced examples, less variation — but the variation that exists is real and well-anchored.


=== Silvered with applied baton indices ===

The production-volume dial. Silvered or matte-grey ground, applied dart or baton hour markers, alpha hands, central seconds, "AIR-KING" at twelve and "SUPER PRECISION" above six. The dial sits as the standard configuration across the four-year production window. Antiquorum Mondani lot 108-89 (1959, case 437,255), Dorotheum lot 145-051401/0001 (c.1958, case 376,310), Monaco Legend Group lot 72 (1958, case 376,058) all wear this dial.


=== Explorer 3-6-9 with applied coronet ===

A documented early-run dial layout — silvered ground with 3-6-9 Arabic numerals at three, six, and nine, spear-faceted indices at the other hours, applied coronet at twelve. The same Explorer-style 3-6-9 layout that runs across the 5500's later production already appears on the 6552 in its first years. The Goldammer Air-King family history names "spear indices and Explorer(ish) Arabics" as the early-run configuration, and a RolexForums archive thread (936946) catalogues an early 6552 with a 3-6-9 dial as "fairly rare." Time-Wire confirms the same layout for the early run. No major-house lot anchors the 3-6-9 6552 in the auction record, leaving the variant well-supported by editorial but light on auction-house provenance.


=== Black gloss / black gilt step-dial ===

A third documented variant surfaces in marketplace listings catalogued as "EXTREMELY RARE ROLEX AIRKING 6552 SUPER PRECISION w/ BLACK GILT STEP-DIAL". Glossy black lacquer or gilt-on-glossy ground, stepped dial profile with the indices and AIR-KING / SUPER PRECISION text on a raised inner section. A documented 1958 example (signed "Oyster Perpetual" only at six rather than carrying AIR-KING text) wears the same dial type aged to a tropical chocolate-brown — the original and the tropicalised version of the same configuration. The black gloss step-dial 6552 is dealer-grade evidence; corroboration from a major-house lot would lift the variant from "documented at marketplace" to "auction-anchored."


=== Tropical chocolate ===

A documented 1958 6552 surfaces with a "glossy deep brown tropical dial" — the gloss black step-dial above aged through decades of UV exposure to a uniform chocolate-brown. The dial is signed "OYSTER PERPETUAL" only at six rather than carrying AIR-KING text, suggesting either a sister 1002-class dial or a service-replacement dial swap. The configuration is the only documented tropical 6552 in documented examples — the rate of tropical conversion appears low compared to later Cal 1530 / 1520 5500s.


=== Patrizzi two-tone (creamy outer + sunburst silver inner) ===

The most book-grade rarity in the 6552 dial map. A 1958 example documented in Osvaldo Patrizzi's ''Rolex, Collecting Wristwatches'' (2001 edition, page 184) carries a two-tone dial — creamy outer ring with a sunburst silver inner section — and is unsigned (no "OFFICIALLY CERTIFIED CHRONOMETER" text). The same watch's documented record notes the caseback duality (6552 between the lugs, 6565 inside) explicitly. The Patrizzi-book documentation is the strongest provenance anchor in the 6552 dial map; the configuration itself is rare.

The honeycomb / clous-de-Paris, all-Arabic UK-market, and retailer-signed (Tiffany / Cartier / Beyer / Asprey / Joyería Riviera) 6552 configurations have not surfaced in the auction record. Honeycomb dials of this era live on the 6305 Datejust, 6202 Turn-O-Graph, 6350 / 6298 Explorer / Bubbleback rather than on the 6552. Tiffany-signed Air-Kings are a 5500-era story (Wind Vintage's Tiffany 5500 is the documented anchor); no 5500-era retailer signature has been documented on a 6552. Their absence is not proof — additional variants may surface as auction catalogues digitise older sales — but the documented record does not currently carry them.


== Case and construction ==

34mm × 12.5mm stainless steel three-piece Oyster — case middle, threaded caseback, threaded crown. The case profile reads slimmer than the pre-1950 Bubbleback architecture that the 4925 inherited; the Cal 1030's butterfly rotor is the architectural reason the case middle could come down to ~12.5mm without rotor clearance issues. Lugs are 19mm with drilled spring-bar holes. The bezel is fixed and steel and smooth.

The crown is a screw-down. Twinlock — Rolex's two-gasket sealed-crown patent — was filed in 1953, the same year the 6552 launched, but no surfaced 6552 lot text specifically marks the watch as "Twinlock-equipped." The convention reads simply "screw-down crown." Twinlock branding becomes formally consistent on Rolex sport references later in the 1950s; 6552-era crowns may or may not carry the patent markings depending on production date within the four-year window.

The 6552 is steel-only across documented examples. No two-tone, no gold-capped, no precious-metal 6552 has surfaced. The two-tone gold-capped Air-Kings live on adjacent reference numbers — 5501 (Rolesor with gold fluted bezel), 5502 / 5506 (gold-capped 40-micron) — that post-date the 6552 and run alongside the 5500 rather than alongside the 6552.

Water resistance reads at 50m on the Marcus Siems and Robb Report sources (and on most period dial markings reading "50m = 165ft"); Time-Wire reads 100m, which is the 5500-era specification. The 50m figure is better-sourced and consistent with the period rating Rolex used on the entry-tier Oyster line.


== Bracelets, end-links, and clasps ==

19mm lug width across the production. The period-correct delivery configuration on a 6552 is a riveted Oyster bracelet 7205 with end-link 57 — A documented 1958 6552 (white dial, serial 37x,xxx, original radium hands) carries this fitment. The 7205 / 57 combination is also the early-run configuration on the 5500 that succeeds the 6552, so the bracelet-end-link pairing carried straight across the reference transition without a generation change.

Most surviving 6552s wear later bracelets — service-era refits with the 7835 folded-link (1969+) or 78350 solid-link (1976+) Oysters succeeding the original 7205. Bracelet originality on a 6552 needs case-and-clasp-date verification rather than relying on the bracelet reference number alone. A 6552 on a 7835 or 78350 is service refit, not original delivery.


== Special branches ==

The 6552 era pre-dates the documented Air-King special-branch programs. Domino's Pizza, Pool Intairdril, Circle Bar Drilling, Winn-Dixie, Levi's, the Royal Saudi Armed Forces / UAE / Bahrain / Kuwait government-crest commissions are all 5500-era — they begin no earlier than 1977 (Domino's) and concentrate in the 1980s. No documented military-issue 6552, no retailer-signed Joyería Riviera or Tiffany 6552, no commissioned-engraved 6552 has surfaced in the auction record through 2025.

What does qualify as a special branch on the 6552 is the dial-variant rarity captured above: the Patrizzi-documented two-tone, the Explorer 3-6-9 early-run, the black gilt step-dial, and the tropical chocolate. These are the 6552's distinguishing variants, not commemorative commissions.


== Historical market and auction record ==

{| class="wikitable"
|-
! Sale !! Lot !! Year !! Reference details !! Result
|-
| Antiquorum Mondani Collection (Geneva) || 108-89 || 2006 || 6552 / 6565 case 437,255, 1959, silvered two-tone with alpha hands, Cal 1030 || Hammer CHF 7,080 (est. CHF 2,000–3,000)
|-
| Dorotheum (Vienna) || 145-051401/0001 || c.2024 || 6552 c.1958, case 376,310, movement N809,993, silvered with applied indices || EUR 4,096
|-
| Monaco Legend Group July Online Sale || 72 || 2024 || 6552 1958, case 376,058, silvered || USD 1,478 (est. USD 1,083–2,167)
|-
| (Subscriber-gated European weekly sale, attribution via EveryWatch) || 25 || — || 6552 1959, case 437,256, two-tone silvered || USD 1,306–1,958 sold band
|-
| (Subscriber-gated, attribution via EveryWatch) || 181 || — || 6552 1956, silvered || est. USD 1,200–1,500, sold
|}

The 6552 trades in roughly the USD 1,500–8,000 band for clean original examples. The Antiquorum Mondani Collection example at CHF 7,080 sits at the top of the range — its Mondani Collection provenance and clean originality drove the result. Rare dial branches (Explorer 3-6-9, black gilt step-dial, Patrizzi two-tone, tropical) carry premiums into the USD 6,000+ range based on dealer-side asks. Phillips, Sotheby's, and Christie's have no documented standalone 6552 lots through 2025 — the 5500 absorbs the major-house attention.


== Authentication ==

The 6552 is 70 years old. The first question on any 6552 is originality across the case, dial, movement, and crown, and most surviving examples have been serviced multiple times in that span. The dial restoration window of the 1980s–2000s caught many 6552s; a perfectly clean original-looking dial reads as suspect; dials with even minor period patina are the originality positive.

The caseback stamping is the cleanest single authentication anchor: 6552 between the lugs, 6565 inside the caseback, both correct on a period-original 6552. A caseback stamped only with the model reference inside (no 6565) is unusual and worth examining; conversely a caseback stamped only with 6565 (no 6552 between the lugs) suggests a service replacement caseback or case-middle swap. The Antiquorum lot 108-89 catalogue text describes the configuration explicitly — period-original 6552s carry both stampings.

The case-number band runs roughly 350,000–440,000 across documented examples, with the latest dated examples from 1959 carrying numbers in the 437,000–438,000 range. A 6552 with a case number well outside this band — particularly anything above 600,000 — should be examined as a potential service-replacement case middle. The Roman-quarter date code inside the caseback (II.55, III.57, IV.58, etc.) should be period-consistent with the case-number band.

The movement number versus the case number is the standard authentication anchor. Both should be period-consistent and both should match the catalogue's recorded ranges. A 6552 with a Cal 1530 or Cal 1520 (5500-era) movement is service-replacement and not original — the 6552 should always carry a Cal 1030 with its butterfly rotor stamped ROLEX PERPETUAL PATENTED. A non-1030 movement on a 6552 case is a service event, not a rare configuration.

The bracelet usually doesn't help. Most surviving 6552s wear bracelets that post-date the 6552's own production window — 7835 folded-links from the 1970s or 78350 solid-links from the 1980s. Authenticate the head and movement first, read the bracelet as supplementary evidence rather than as an originality anchor.

== Sources ==
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://www.rescapement.com/blog/rolex-air-king-history Tony Traina, "Rolex Air-King History: The Forgotten King", Rescapement]
* [https://monochrome-watches.com/history-of-the-rolex-air-king-the-underrated-pilots-watch/ Erik Slaven, "History of the Rolex Air-King, the underrated pilots watch", Monochrome Watches, 2025]
* [https://goldammer.me/blogs/articles/rolex-airking-origin-history-and-design-evolution Marcus Siems, "Rolex Air-King Origin History and Design Evolution", Goldammer]
* [https://beckertime.com/blog/rolex-decades-the-40s-air-king-versus-the-50s-air-king/ "Rolex Decades The 40s Air-King Versus The 50s Air-King", Beckertime]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-108-89 "Rolex Oyster Perpetual Ref 6552/6565 Case 437255 1959 Mondani Collection", Antiquorum, 2006]
* [https://everywatch.com/rolex/6552/watch-11375345 "Rolex Air-King Ref 6552 1958 Monaco Legend Group July Online Sale Lot 72", Monaco Legend Group, 2024]
* [https://everywatch.com/rolex/6552/watch-2093482 Günter Eichberger, "Rolex Oyster Perpetual Super Precision Air King Ref 6552 c.1958", Dorotheum]
* [https://relojesvintagemexico.com/products/oyster-perpetual-two-tone-dial "Rolex Oyster Perpetual Ref 6552 Two-Tone Dial 1958 Patrizzi-documented", Relojes Vintage Mexico]
* [https://www.visionvintagewatches.com/product-page/rolex-1600-tropical "Rolex 6552 Oyster Perpetual Tropical Dial 1958", Vision Vintage Watches]
* [https://www.craftandtailored.com/products/1958-rolex-air-king-ref-6552-white-dial "1958 Rolex Air-King Ref 6552 White Dial", Craft and Tailored]
* [https://www.windvintage.com/blog/how-rolex-became-rolex-the-automatic-perpetual-movement-part-2 Eric Wind, "How Rolex Became Rolex - The Automatic Perpetual Movement Part 2", Wind Vintage]
* [https://www.rolexmagazine.com/2013/07/the-complete-history-of-rolex-air-king.html Jake Ehrlich, "The Complete History Of The Rolex Air-King", Rolex Magazine, 2013]
* [https://www.watch-wiki.net/doku.php?id=rolex_air-king "Rolex Air-King", Watch-Wiki]

[[Category:Air-King]]

Reference:prince

2026-06-29T01:23:16Z

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{{DISPLAYTITLE:Rolex Prince}}
{{#seo:
|title=Rolex Prince — Art-Deco Reference Guide to Every Model | BezelBase
|description=The Rolex Prince family, 1928 to mid-1940s. Rectangular Art-Deco "Brancard" stretcher cases, duo-dial architecture with sub-seconds at six, Aegler shaped chronometer movements (Cal. 300 / 350 / T.S. 300) in Prima, Extra Prima, and Ultra Prima grades. References 971, 1490, 1491, 1527, 1862, 3361, and 3937, with retailer signatures spanning Bucherer, Beyer, Beguin, Cooke & Kelvey, and the Eaton 1/4 Century Club.
|keywords=Rolex Prince, Brancard, Chronometer, Doctor's Watch, 971, 1490, 1491, 1527, 1862, 3361, 3937, Aegler, Cal. 300, T.S. 300, Ultra Prima, Extra Prima, Beyer, Bucherer, Eaton 1/4 Century Club, Art Deco, vintage Rolex, observatory chronometer
|image=Ref 1490 hero.webp
|image_alt=Rolex Prince Brancard Chronometer 1490 — Beyer-double-signed steel
|type=Article
|og_type=article
|published_time=2026-04-28T04:25:49Z
|modified_time=2026-06-04T04:42:58Z
|robots=index,follow,max-image-preview:large
}}

== Rolex Prince ==

The Rolex Prince is the rectangular Art-Deco family that ran from the 1928 launch into the mid-1940s. It was Rolex's bid for the men's chronometer market, built around an Aegler-patented (1927) shaped movement that placed the winding barrel at one end of the case and the balance at the other. The dial layout that defined the line is the duo-dial: hours and minutes in the upper register, sub-seconds at six, two visually separated tracks on the same plate. Marketing positioned the Prince as "the watch for men of distinction" — a 1930 advertisement reproduced by Rolex Magazine puts it in those exact words — and the chronometer-grade movement made the claim defensible.

The family runs across seven catalog references in the active scope of this wiki: 971 (the original Brancard), 1490 (the canonical larger Brancard), 1491 (Brancard sibling), 1527, 1862, 3361, and 3937. Production tapered through WWII as Rolex consolidated around the Oyster Perpetual platform; the latest documented Prince case carries a 1947 caseback dedication. The Prince does not return to the Rolex catalog until the 2005 Cellini Prince revival, which sits on a different platform and is not part of the vintage Prince story this page covers.

[[File:Ref 1490 hero.webp|thumb|center|400px|alt=Rolex Prince Brancard Chronometer 1490 — Beyer-double-signed steel|The 1490 in steel, Beyer-double-signed, found 1998 in the Beyer Zurich shop after sitting unsold from approximately 1928]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a Brancard?'' '''[[Reference:1490|1490]]''' — the canonical Brancard. Larger flared stretcher case, Cal 300 / 350 / T.S. 300 across the run, documented examples in steel, 9K through 18K gold, pink gold, two-tone, Tiger Stripe, and a single platinum.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching the earliest Prince?'' '''[[Reference:971|971]]''' — the original Brancard. Friedberg's 2001 Timezone article assigns the nickname here — the earliest version of the flared stretcher case, c.1928, the reference the 1490 evolves from.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a non-Brancard Prince?'' '''[[Reference:1343|1343]]''' — the Prince Classic. The unflared sister to the Brancards, suffix system A and B for metal and dial branches, and one of the two candidates (with 971 or 1490) for the 1928 launch pair.
|}

== References ==

The active-scope Prince references covered on this wiki:

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case shape !! Movement family !! Key distinction
|-
| [[Reference:1343|1343]] || c.1928/1929–c.1935 || Unflared rectangular Classic || Aegler 7½ ligne shaped, 15j Observatory Quality || The Prince Classic; the unflared sister to the 971/1490 Brancards. Suffix system: 1343 (silver), 1343A (standard, multiple metals), 1343B (Tiger Stripe two-colour gold). Friedberg/Beckertime read 1343 + 971 as the 1928 launch pair; Everest Bands and Rolex Magazine 2017 read 1343 + 1490
|-
| [[Reference:971|971]] || c.1928–early 1930s || Early Brancard "stretcher" || Aegler shaped (early variants) || The original Brancard; Friedberg's 2001 Timezone article assigns the Brancard nickname here, while modern auction-house convention has shifted the nickname to the 1490
|-
| [[Reference:1490|1490]] || c.1928–c.1945 || Larger flared Brancard, ~36–37×22–23mm body || Cal. 300 / Cal. 350 / Cal. 7¾′′′ T.S. 300 || The canonical Brancard; the most heavily catalogued Prince reference, with documented examples in steel, 9K/10K/14K/18K gold, pink gold, two-tone, Tiger Stripe bi-color, and a single platinum example (Bonhams 2017, GBP 32,500)
|-
| [[Reference:1491|1491]] || c.1930s || Brancard sibling || Aegler shaped || Brancard variant, smaller production
|-
| [[Reference:1527|1527]] || c.1930s || Rectangular || Aegler shaped || Prince variant
|-
| [[Reference:1862|1862]] || c.1930s–1940s || Rectangular || Aegler shaped || Prince variant; surfaces alongside the 1490 in Christie's group lot 1395-307 (18K, case 16,663, c.1938)
|-
| [[Reference:3361|3361]] || c.1930s–1940s || Rectangular || Aegler shaped || Late Prince variant
|-
| [[Reference:3937|3937]] || c.1930s–1940s || Rectangular || Aegler shaped || Late Prince variant
|}

Articles are added incrementally; references without a linked article are researched but not yet published.

== The Brancard nickname ==

A naming dispute runs through the literature. Auction houses uniformly call the 1490 a Brancard — Phillips, Sotheby's, Bonhams, Antiquorum, and Christie's all use the word in their catalog titles for the reference. Editorial sources are split. Michael Friedberg's [http://people.timezone.com/mfriedberg/articles/RolexPrince.html 2001 Timezone article] assigns the Brancard name specifically to the earlier reference 971, treating the 1490 as a separate larger Prince. Coronet Magazine's 2021 doctor's-watch piece follows Friedberg.

The reconciliation most consistent with published evidence is that 971 was the first Brancard — the earliest version of the flared stretcher case — and the 1490 is the larger evolution of the same case shape. Both qualify as Brancard cases by their flared profile. Modern auction-catalog convention treats the 1490 as the headline Brancard reference, and that convention dominates collector search. The reference number is unambiguous; the nickname is contested.

== Movement family ==

The Prince runs on Aegler shaped movements, manufactured in Bienne under H. Wilsdorf's exclusive supplier arrangement (a relationship that remained a supplier-only contract until Rolex purchased Aegler outright from the Borer family in April 2004, per Tim Mosso's Quill & Pad reporting). The shaped-movement family includes:

* '''Cal. 300''' — 15 jewels, 18,000 vph, approximately 50 hours of power reserve, produced 1928–1937. The base Prince caliber. Architecturally identical to the Gruen Cal. 877 used in the Gruen Techni-Quadron — the two are sibling movements in the same Aegler family, sold under different brands. Some early Prince literature lists "Cal. 877" for the Rolex Prince; this is a misattribution traceable to the Gruen-Rolex sibling relationship and should be excluded from canonical Prince caliber listings, per Oren Hartov's [https://www.analogshift.com/blogs/transmissions/a-brief-history-of-the-doctor-s-watch Analog/Shift Doctor's Watch piece].
* '''Cal. 350''' — 15 jewels (some examples 18 jewels). Documented on multiple 1490 examples at Phillips and Monaco Legend.
* '''Cal. 7¾′′′ T.S. 300''' — Très Soigné, 18 jewels, lateral lever escapement, monometallic balance with micrometer regulator, Breguet overcoil hairspring, rhodium-plated, adjusted in 6 positions, produced 1932–1938. The Ultra Prima movement variant.

Movement grading is a separate axis from caliber number. Aegler / Rolex used a tiered finishing hierarchy on the Prince calibers — '''Prima''', '''Extra Prima''', '''Ultra Prima''' — corresponding broadly to ascending levels of regulation, hand-finishing, and chronometer testing. The "Chronometer" or "Observatory" dial designation corresponds to Extra Prima or Ultra Prima grading; a Prima-grade movement does not earn the dial mark.

The Kew-Teddington observatory testing tradition runs through the Prince era. Rolex submitted Prince movements to the National Physical Laboratory at Kew for independent rate certificates against the Swiss Bureaux Officiels Suisse de Contrôle. The Kew protocol was a 45-day test against the Swiss bureau's 15 days; James Dowling has cited Rolex pass rates of 136 out of 145 Class A submissions in the 1940s and 1950s. The 1914 Class A Kew certificate that Rolex commonly cites as their first official chronometer rating was issued for an earlier ladies' wristwatch movement; the Prince calibers extend the observatory-testing lineage from 1928 forward, but the 1914 milestone predates the Prince family.

== Reference guides ==

Cross-family material that applies across multiple Prince references:

* [[Reference:Movements|Movements]] — the Aegler shaped-movement family (Cal. 300, Cal. 350, Cal. 7¾′′′ T.S. 300) and the Prima / Extra Prima / Ultra Prima grading tiers.
* [[Reference:Serial-numbers|Serial numbers]] — Rolex serial conventions across the Prince era, including Glasgow and London assay date letters that often pin a 9K example to a single year.

== Related families ==

* [[Reference:bubbleback|Bubbleback]] — the parallel Oyster line. The same 1928–1948 window, same Aegler-supplier relationship, same Wilsdorf catalogue. Different case shape, different brief.
* [[Reference:air-king|Air-King]] — the post-war successor. The 1945 4925 / 4365 / 4499 originating Air-Kings open the line that effectively replaces the Prince in the catalogue.

[[Category:Prince]]
[[Category:Family]]

Reference:6542

2026-06-29T01:23:14Z

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{{DISPLAYTITLE:Rolex 6542 GMT-Master}}
{{#seo:
|title=Rolex GMT-Master 6542 — First GMT, Bakelite Pepsi, 1955–1959 | BezelBase
|description=The 6542 is the first GMT-Master and still the strangest one to collect. Launched in the Pan Am era with an unguarded Oyster case and a bakelite 24-hour…
|keywords=Rolex, 6542, GMT-Master, specifications, reference guide
|image=6542 Dial.png
|image_alt=6542 Dial
|type=Article
|og_type=article
|published_time=2026-04-18T03:21:17Z
|modified_time=2026-06-29T01:21:52Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:gmt-master|GMT-Master]] -> '''6542'''

The 6542 is the first GMT-Master and still the strangest in the line to collect. The steel watch carries the Pepsi bezel that became the family signature, the gold watch shows that the GMT-Master was a two-metal proposition from the catalogue's first page, and the bakelite insert that defined both makes originality unusually hard to read on any surviving example.

Crown guards and aluminum inserts came later. Much of the surviving market has to be read through service replacement rather than factory-original purity.



[[File:6542 Dial.png|thumb|340x340px]]

== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| [[Reference:6542|6542]]
|-
| family
| GMT-Master
|-
| production
| broadly 1955-1959, though the Field Manual table uses 1954-1959
|-
| movement
| early movement picture unresolved; direct lots show 1030, the Field Manual lists 1036, 1065, and 1066
|-
| case
| about 38-39mm Oyster, no crown guards
|-
| crystal
| acrylic with Cyclops
|-
| water resistance
| 50m / 165ft in the Field Manual
|-
| steel branch
| black gilt dial, red-and-blue bakelite bezel
|-
| gold branch
| brown bakelite bezel, alpha hands, lighter gold or champagne-tone dial family
|-
| main survival issue
| original bakelite often replaced by later service aluminum inserts
|}


== Where it sits in the line ==

The 6542 opens the line and hands almost every later GMT-Master theme down by inheritance. The Pan Am association and the airline-travel framing start here. So does the red-and-blue bezel that became the steel branch's signature. The steel-and-gold split was in place from the first catalogue, and the bakelite insert nobody could keep intact set up the service-replacement reading that still defines the market for surviving examples.

On the wrist the 6542 sits smaller and less settled than what comes next. The [[Reference:1675|1675]] is where the GMT-Master arrives at its mature vintage form. The 6542 still reads as the experiment.


== Production outline ==

[[File:Ref 6542 gold-brown.webp|thumb|right|250px|alt=Gold 6542 with brown bakelite|Gold 6542 with brown bakelite]]
[[File:Ref 6542 service-example.webp|thumb|right|280px|alt=Service-path 6542 with metal insert|Service-path 6542 with metal insert]]
The 6542 reads in three paths rather than as a single chronology: the steel bakelite watch, the gold bakelite watch, and the service-path survivor. The run was short enough that a year-by-year generation map would invent precision the production record does not support.


=== Steel bakelite watch ===

The classic early GMT-Master: black gilt dial, no crown guards, red-and-blue bakelite insert, Mercedes hands, and a red GMT hand tipped with a small lume triangle. A brief lume-plot shift around 1958 turns up in the family histories, but the steel watch still reads as one compact early branch rather than a long sequence of formal generations.


=== Gold bakelite watch ===

The gold branch runs in parallel from the start. Brown bakelite bezel, alpha hands, lighter dial palette: under the same reference number the gold watch reads as a separate model.


=== Service-path watch ===

Bakelite cracks. Later service cycles replaced inserts wholesale, and often took the dial and hands along with them. A 6542 carrying a metal insert is not automatically a lesser watch, but it is a different watch from an untouched bakelite example and has to be priced and read on those terms.

Launch year is contested. Broad family histories use 1955, and Sotheby's collector guide treats the 6542 as the first GMT-Master without pinning a month. The Vintage Rolex Field Manual sets the range at 1954-1959, especially in the gold-GMT context. Two dates sit behind the split. Some early casebacks carry an internal 1954 date stamp, while the GMT-Master name was not registered as a trademark until 21 April 1955, which is the date Rolex reaches for when asked. The watch belongs to the 1954-1955 launch window; forcing it cleaner than that goes beyond what the sources support.


== Movement notes ==

Caliber attribution on the 6542 is layered. Sotheby's steel lots from 1956 and 1958 show the 1030. ''The Vintage Rolex Field Manual'' lists 1036, 1065, and 1066. Monochrome treats 1065 and 1066 as the GMT-specific path.

The practical reading is that early watches used 1030-family architecture, with 1036 as the GMT-adapted bridge and 1065/1066 as the mature production caliber. The handover points have not been mapped to year with confidence.

On a specific watch, the movement has to be checked directly.


== Dial map ==

The steel and gold dials sit in separate lanes from the start.


=== Steel dial ===

The core steel dial is glossy black gilt with Mercedes hands and a red GMT hand tipped with a small lume triangle. Monochrome notes a brief 1958 shift toward larger lume plots before the smaller plots return.


=== Gold dial ===

The gold dial family is lighter in tone and paired with alpha hands rather than Mercedes. The gold GMT was given its own visual language from the launch catalogue rather than being treated as a steel watch executed in another metal.


=== White-dial Albino ===

The Albino 6542 is a steel GMT-Master with a white dial in place of the normal black gilt. Two photographed examples anchor the branch, but Rolex never listed it as a standard option. The watches are real. Whether they left the factory that way has not been settled.


== Case, bezel, crystal, and crown notes ==

The case is the defining physical clue. No crown guards, an acrylic crystal with Cyclops, and a 24-hour bezel that originally carried a bakelite insert rather than aluminum.

Recorded case size floats by a millimetre depending on the source. Monochrome frames the steel watch at 38mm. One direct Sotheby's steel lot measures 39mm. The difference does not change how the watch wears, but it is wide enough that any decimal-point claim about the case is overreach.

The bezel is the bigger story. Original bakelite inserts are scarce because the material cracked and most went back to Rolex during service for metal replacements. A service-insert watch is not automatically a lesser watch, but insert originality sits at the centre of how the 6542 gets read and priced. An untouched bakelite insert on a matching radium dial is the defining shape of a first-tier 6542, and surviving examples of that standard reach the mid-five-figure GBP range at retail. Most surviving 6542s do not look like that, which is exactly why the ones that do form a separate collector tier.

The Vintage Rolex Field Manual gives 50m / 165ft water resistance and ties the 6542 back to the Turn-O-Graph 6202 in the early family table. The first GMT-Master still belongs to Rolex's mid-1950s tool-watch experimentation rather than the fully resolved professional-line language of the 1960s.


== Bracelets, end links, clasps, and packaging notes ==

Bracelet documentation on the 6542 is genuinely thin. Sotheby's collector guide pairs the steel watch with a matching stainless Oyster but does not split end-link or clasp variation by year. Surviving examples point at a riveted Oyster (reference 6636) with a folding steel clasp as the default steel fitment, but the surviving population is not deep enough to fix a universal end-link or clasp rule across the full run.

Documented steel lots show more than one survival pattern. The Captain Warren lot carries provenance weight but is too thin on bracelet detail to set a fitment rule. The Serpico y Laino lot shows an Oyster USA bracelet, useful as observed evidence on a single watch rather than universal delivery logic.

The gold branch is thinner still. One serious listing shows a gold-bracelet example, another shows the same gold branch on leather, and having both blocks any single surviving configuration from being read as the rule. Sotheby's collector guide treats the solid-gold 6542 as a separate 1958 proposition with its own dial, bezel, and hand vocabulary, but does not publish a gold-bracelet fitment standard either.


== Special branches ==

[[File:Ref 6542 gold-bonanno.webp|thumb|right|280px|alt=Gold 6542/8 on gold bracelet|Gold 6542/8 on gold bracelet]]
[[File:Ref 6542 albino-white.webp|thumb|right|280px|alt=White-dial Albino outlier|White-dial Albino outlier]]

=== Gold 6542/8 ===

Brown bakelite bezel, alpha hands, lighter dial palette: the gold watch is separated from the steel one from launch.

Sotheby's collector guide dates the solid-gold 6542 to 1958 and reads it as a deliberate second proposition rather than a late coda. The package: brown bakelite bezel, alpha hands in place of Mercedes, and a nipple dial with raised conical metal markers. The narrower collector reading places the full gold run across 1958 and 1959 with caliber 1065, though no primary source publishes a firm production figure or a year-by-year caliber mapping for the branch. What is not disputed is that the gold watch shipped with a brown or champagne dial and that the gold GMT vocabulary (alpha hands, nipple markers, warm dial) was in place from the catalogue's first appearance rather than emerging into the reference later.

Originality is the place to slow down on the gold branch. Surviving gold 6542 dials turn up in champagne, brown-gilt, and more rarely white configurations, with gold-on-gold and even black-bakelite-on-gold pairings circulating in the market. A Hindman auction lot of a gold 6542 with a white dial shows that these exotic pairings reach serious salerooms, though none has been certified as factory original by a top-tier house. A direct gold lot from Phillips, Sotheby's, or Christie's that would settle gold-branch fitment logic has not yet appeared in the auction record.


=== Captain Warren provenance watch ===

The strongest steel 6542 anchor is the Captain Clarence Warren lot sold by Sotheby's. Warren was a Pan Am captain, and the lot carried period accessories alongside the watch, which ties the 6542 directly back to the Pan Am commission rather than leaving the airline association as generic brand myth. Provenance of this quality is rare on the reference.


=== Serpico y Laino retailer-signed watch ===

Retailer-signed 6542s matter because the dial signature and the caseback marks can survive together on a single watch and give later examples a documented comparison point.

Serpico y Laino-signed 6542s are best read as individual data points rather than a separate production class. At least one documented example left Rolex for the Caracas market with the co-signature intact; that single anchor is what lets the rest of the candidates be argued at all.


=== Service-path watch ===

A documented service-path 6542 shows how the reference often survives in practice: a later gloss service dial, a metal insert, matching service hands, and a watch that remains compelling on the wrist even though it no longer represents the original radium-and-bakelite configuration.


=== White-dial Albino ===

The Albino 6542 is a steel GMT-Master with a white dial where the reference is otherwise known for glossy black gilt. Rolex has never catalogued it, and the configuration appears in neither ''The Vintage Rolex Field Manual'' reference table nor Sotheby's collector guide dial list. It exists because a small handful of watches keep turning up with factory-style printed white dials, on cases, bezels, and movements that specialists read as period-correct.

Modern acceptance of the Albino runs through Stefano Mazzariol's 2010 study of a white-dial 6542 and Ben Clymer's 2015 Hodinkee write-up of a second example from East Crown. Those two studies moved the watch from rumour to documented oddity without settling the originality question. The Mazzariol watch is dated 1958 by the caseback stamp.

Albino 6542s are not resolved. Theories range from a Pan Am-linked special request to service-era dial swaps to tiny pre-production output. The often-repeated "maybe 100 pieces" line does not square with what is known about period allocation numbers. The honest reading: a small handful of white-dial 6542s exist, and their factory-original status has not been settled.

The Albino stays contested because the authentication ladder is steep. Bakelite inserts, dials, and hands routinely moved on the 6542 in service, so the default read on any anomaly starts at service-swap or redial. A white dial with factory-grade printing on a period-correct case does not separate from that default until the watch is opened, and the number of specialists comfortable adjudicating the specific prints is small. The examined population today is a handful of watches, and any new candidate has to clear the same ladder before joining them.


== Historical market and auction record ==

The steel side of the 6542 now has a documented market layer. The 1958 Sotheby's Captain Warren lot gives the strongest provenance anchor among surviving examples. A 1956 Sotheby's steel lot sits alongside it as a cleaner non-provenance control. The Serpico y Laino lot adds retailer-signed depth rather than another generic steel example.

The service side is documented too. A service-path example illustrates why originality on the 6542 is read as a spectrum rather than a yes-or-no category.

The gold side is better evidenced than it was, but it remains the weak point in the auction layer. Two serious gold listings (one on bracelet, one on leather) carry enough weight to write the branch with confidence; neither replaces a direct gold auction lot from a top-tier house, which is what the documented record still needs.

== Sources ==
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://monochrome-watches.com/history-rolex-gmt-master-and-gmt-master-ii-1955-2024-iconic-traveller-watch-in-depth-review/ In-Depth: The History of the Rolex GMT-Master and GMT-Master II] — Monochrome
* [https://www.sothebys.com/en/articles/the-rolex-gmt-master-the-complete-collectors-guide The Rolex GMT-Master: A Complete Collector's Guide] — Stephen Pulvirent, Sotheby's
* [https://www.sothebys.com/en/buy/auction/2023/important-watches-part-i/gmt-master-captain-warren-reference-6542-an-advert?locale=en GMT-Master 'Captain Warren', Reference 6542, circa 1958] — Sotheby's
* [https://www.sothebys.com/buy/745d2d21-14d8-464a-a867-6b8517decd36/lots/f0420f6d-a407-49ea-bb06-95d1e6cd13ea GMT-Master, Reference 6542, circa 1956] — Sotheby's
* [https://www.sothebys.com/en/auctions/ecatalogue/2008/important-watches-including-property-from-the-time-museum-n08474/lot.135.html Rolex 6542 retailed by Serpico y Laino] — Sotheby's
* [https://greyandpatina.com/product/1957-rolex-6542-tropical-service-gilt-chapter-ring-gmt-2/ 1957 Rolex 6542 Tropical Service Gilt Chapter-Ring GMT] — Grey and Patina
* [https://www.gioielleriabonanno.it/prodotto/rolex-gmt-master-6542-18k-gold-bakelite-bonvintage/ Rolex GMT-Master 6542 18k Gold Bakelite] — Gioielleria Bonanno
* [https://www.maurideangelis.com/prodotto/rolex-gmt-master-6542-brown-dial-with-bakelite-bezel-excellent-condition/ Rolex GMT-Master 6542 – Brown Dial with Bakelite Bezel – Excellent Condition] — Deangelis

[[Category:GMT-Master]]

Reference:pre-daytona-chronographs

2026-06-29T01:23:13Z

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{{DISPLAYTITLE:Rolex pre-Daytona chronographs}}
{{#seo:
|title=Rolex Pre-Daytona Chronographs — 1937–1963 Guide | BezelBase
|description=The Rolex chronograph line before the 1963 Cosmograph Daytona launch. Antimagnetique 2508, Monoblocco 3525 and the WWII POW watches, the 4xxx tonneau Oysters, the 6034 anti-magnetic, and the 6234 / 6238 Pre-Daytona references that hand off to the 6239.
|keywords=Rolex chronograph, Pre-Daytona, Antimagnetique, Monoblocco, Barilotto, 2508, 3525, 3668, 3833, 4099, 4500, 4537, 4767, 5034, 6034, 6234, 6238, Valjoux 23, Valjoux 72, vintage Rolex
|image=Pre-daytona chronographs vintage poster.webp
|image_alt=Rolex pre-Daytona chronograph reference photograph
|type=Article
|og_type=article
|published_time=2026-04-30T03:24:59Z
|modified_time=2026-06-04T04:42:56Z
|robots=index,follow,max-image-preview:large
}}

== Rolex pre-Daytona chronographs ==

The Cosmograph Daytona name arrives in 1963 with the [[Reference:6239|6239]]. Rolex had been building chronographs for thirty years by then. This page covers the line that runs into the Daytona — from the late-1930s Antimagnetique chronographs through the Oyster chronograph references of the 1940s and 1950s, ending with the [[Reference:6238|6238]] Pre-Daytona that hands the layout to the 6239 with two cosmetic changes.

The thread that ties the line together is the chronograph movement, not the case. Every reference here runs a Valjoux base — Cal. 23 VZ in the Antimagnetique era, Cal. 72 in the late references — finished by Rolex and catalogued under a Rolex caliber number. The case work is what changed: from non-Oyster snap-back cases in the late 1930s, to the one-piece ''Monoblocco'' Oyster of the 3525, to the tonneau Oyster of the 4xxx series, to the screw-down-pusher 6034, and finally to the round 36mm Oyster that defined the Daytona.

[[File:Pre-daytona chronographs vintage poster.webp|thumb|center|400px|alt=Rolex pre-Daytona chronograph reference photograph|Rolex pre-Daytona chronograph featured in Phillips' "Rolex Milestones: 38 Legendary Watches That Shaped History" (Hong Kong 2016, lot 828).]]

== Antimagnetique era (late 1930s to mid-1940s) ==

The earliest Rolex chronographs sit in non-Oyster cases with snap-back construction. They carry the ''Antimagnetique'' designation on the dial, signalling a soft-iron inner case that shielded the movement from magnetic fields — the same protection later watches would carry under the Milgauss line. Two-register layout, Valjoux 23 VZ base, tachometer and telemeter scales, blued steel hands. This is also the era that produced the WWII POW-watch trade: Rolex shipped chronographs on credit to British and Allied officers held in German prisoner-of-war camps under Hans Wilsdorf's pay-after-the-war policy.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 2508 || c.1935–1939 || ~32mm round, snap-back, non-Oyster || Cal. 13 (Valjoux 23 base) || Pre-Oyster Antimagnetique chronograph; small steel and gold examples surface periodically at major-house auction
|-
| [[Reference:3525|3525]] || 1939–1945 || ~35mm Monoblocco Oyster, screw-down crown and pushers || Rolex Cal. 13 (Valjoux 23 VZ base) || First Oyster chronograph; one-piece upper case (''Monoblocco'' / ''Barilotto''); the WWII POW reference, with Corporal Clive James Nutting's Stalag Luft III watch sold at Antiquorum 2007 for £66,000
|-
| 3668 || c.1942–1946 || ~36mm Oyster, reeded gold bezel || Rolex Cal. 13 (Valjoux 23 VZ base) || Sister reference to the 3525 with a fluted gold bezel; produced in tiny numbers
|-
| 3833 || c.1942–1946 || Oyster || Cal. 13 (Valjoux 23 VZ base) || Less-documented sibling of the 3525; appears in the Pucci Papaleo and Mondani catalogues alongside the Monoblocco
|}

== Tonneau Oyster chronographs (late 1940s) ==

After the war, Rolex moved the Oyster chronograph from the round Monoblocco case to a tonneau-shaped Oyster with conventional three-piece construction. The 4xxx and 5034 references all run the Valjoux 23 base but in a softer, more ergonomic case shape. Production was small across all of them; the 4500 is the most regularly catalogued example. None of these references reached the volume the 3525 had managed, and the period documentation is thinner than for the references on either side.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 4099 || c.1946–1948 || Tonneau Oyster, ~35mm || Cal. 13 (Valjoux 23 base) || Earliest of the post-war tonneau Oyster chronographs; very small production
|-
| 4500 || c.1947–1950 || Tonneau Oyster, ~36mm || Cal. 13 (Valjoux 23 base) || Most regularly catalogued of the tonneau-case generation; appears in steel and yellow gold
|-
| 4537 || c.1947–1950 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Sibling reference; thin published record
|-
| 4767 || c.1948–1950 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Late tonneau-era reference; surfaces only occasionally at major-house auction
|-
| 5034 || c.1949–1952 || Tonneau Oyster || Cal. 13 (Valjoux 23 base) || Last of the tonneau Oyster chronographs; bridges into the 6034 generation
|}

== Pre-Cosmograph round Oyster chronographs (1950–1968) ==

The case work returns to a round Oyster in the early 1950s, and the chronograph base shifts from Valjoux 23 to Valjoux 72. The 6034 is the technical pivot — first round-Oyster Rolex chronograph, screw-down pushers, anti-magnetic inner case — and the 6234 then runs that configuration through the bulk of the 1950s in steel volume. The 6238 is the immediate predecessor of the Cosmograph: same 36mm Oyster case, same Valjoux 72 base, same dial-printed tachymetre. The 6239 in 1963 took the layout, moved the tachymetre to the bezel, and added the Cosmograph signature.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Case !! Movement !! Key distinction
|-
| 6034 || c.1950–1955 || 36mm round Oyster, anti-magnetic inner case, screw-down pushers || Valjoux 72 base (early variants Valjoux 23) || First round-Oyster Rolex chronograph; screw-down pushers carry forward to the 6240 in 1965
|-
| [[Reference:6234|6234]] || 1955–1961 || 36mm round Oyster, pump pushers || Cal. 72B (Valjoux 72 base) || ~500 watches per year through the run, retailing at roughly USD 200 in period; the immediate predecessor of the 6238
|-
| [[Reference:6238|6238]] || 1962–1968 (overlap with the 6239) || 36mm Oyster, smooth bezel, pump pushers || Cal. 72B then Cal. 722 (Valjoux 72 base) || Pre-Daytona / Pre-Cosmograph; ~3,965 produced (Dewitte) across steel, 14k, and 18k yellow gold; the layout the 6239 inherits
|}

== Triple-calendar parallels (not in the chronograph-only lineage) ==

Two related references are sometimes grouped with the pre-Daytona chronographs but sit on a different mechanical platform. Both are triple-calendar watches, and the 6236 carries a chronograph alongside the calendar work, but neither sits in the direct line that hands off to the Cosmograph Daytona.

The 6036 and 6236 carry the ''Jean-Claude Killy'' nickname, after the French Olympic skier who owned a 6236, and run the Valjoux 72C — the calendar variant of the Valjoux 72. The 6036 came first (c.1951–1957), then the 6236 (1958–1962). They are chronograph triple-calendar watches, technically demanding, and rare. Pucci Papaleo's ''I Cronografi Rolex – La Leggenda'' treats them as their own family rather than a step in the Daytona lineage.

The 8171 ''Padellone'' is a triple-calendar moonphase but is not a chronograph. It belongs in the pre-Daytona historical context only as a sibling complication.

== Movement and case lineage ==

{| class="wikitable" style="width:100%;"
|-
! Era !! Movement !! Case construction !! Pushers !! References
|-
| Pre-Oyster (mid-1930s) || Cal. 13 (Valjoux 23) || Snap-back, soft-iron Antimagnetique inner case || Pump || 2508
|-
| Monoblocco Oyster (1939–1946) || Rolex Cal. 13 (Valjoux 23 VZ) || One-piece upper case, screw-down caseback || Screw-down (Oyster) || 3525, 3668, 3833
|-
| Tonneau Oyster (late 1940s) || Cal. 13 (Valjoux 23) || Three-piece Oyster, tonneau silhouette || Pump on most || 4099, 4500, 4537, 4767, 5034
|-
| Round Oyster, Valjoux 72 (1950–1968) || Cal. 72B / 722 (Valjoux 72 base) || 36mm round Oyster, anti-magnetic inner case || Screw-down on 6034; pump on 6234 / 6238 || 6034, 6234, 6238
|}

The Cal. 72B → Cal. 722 transition runs through the [[Reference:6238|6238]] itself. First-series 6238 production carried the unstamped Cal. 72B held over from the late 6234; the second-series redesign brought the Rolex-stamped Cal. 722 that then powered the 6239 and 6241. Russell Sheldrake documents the transition in his ''Is the Rolex Pre-Daytona a Forgotten Classic?'' for A Collected Man.

The frequency stays at 18,000 vph (2.5 Hz), 17 jewels, no hack and no quickset, all the way through to Cal. 727 in 1970 — two references downstream of where this page ends.

== Why the line matters ==

Every technical move that defines the Daytona was solved on a pre-Daytona reference. The 3525 made the chronograph waterproof. The 4xxx-generation references softened the case shape. The 6034 brought screw-down pushers. The 6234 carried the line through the 1950s in steel volume. The 6238 fixed the 36mm round Oyster, the pump pushers, the dial-printed tachymetre, and the Valjoux 72 movement that the 6239 then inherited. Aurel Bacs, in Russell Sheldrake's A Collected Man interview, described the 6238 as "almost a sibling of the Daytona, not a Pre-Daytona": the production windows of the 6238 and 6239 overlap by roughly four years, and the gap between them is two cosmetic changes rather than a clean break.

The market sorts the line accordingly. The 3525 trades on its WWII history and the Monoblocco case, with POW-provenance examples reaching the £60,000–100,000 band at Antiquorum and Sotheby's. The 4xxx tonneau references trade on rarity and case design rather than provenance; documented examples surface only occasionally at major-house sales. The 6034 trades on its position as the first round-Oyster Rolex chronograph. The 6234 and 6238 trade on Daytona-adjacency, with clean steel examples consistently above the rest of the pre-Cosmograph line.

== Related family pages ==

* [[Reference:daytona|Daytona]] — the Cosmograph line that begins where this page ends, from the 1963 [[Reference:6239|6239]] through the in-house cal 4130 generation.
* [[Reference:Movements|Movements]] — the Valjoux 23 family, the Valjoux 72 progression (Cal. 72B / 722 / 727), and the eventual move to Zenith and in-house calibers.
* [[Reference:Bracelets|Bracelets]] — the early rivet bracelets (6635, 7205) and end links fitted to the chronograph case across the line.

== Sources ==

* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Is the Rolex Pre-Daytona a Forgotten Classic?] — Russell Sheldrake, A Collected Man (2020). Most thorough English-language Pre-Daytona survey, built on first-hand interviews with Aurel Bacs, Edmond Saran, and Teddy Dewitte.
* [https://www.acollectedman.com/blogs/journal/interview-aurel-bacs Interview: Aurel Bacs] — A Collected Man (October 2017). Bacs's framing of the 6238 as a Daytona sibling rather than a clean predecessor.
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona, The Emblematic Racing Chronograph] — Erik Slaven, Monochrome (December 2024). Family-level long-form covering the Pre-Daytona handoff.
* [https://le-monde-edmond.com/in-depth-review-rolex-6238-pre-daytona/ In-Depth Review: Rolex 6238 Pre-Daytona] — Edmond Saran, Le Monde Edmond (June 2016). First major scholarly examination of the 6238; cataloged 14 distinct dial / case iterations.
* ''I Cronografi Rolex – La Leggenda'' — Pucci Papaleo. Italian-language reference catalogue covering the full chronograph line including the Antimagnetique era and the Jean-Claude Killy 6036 / 6236.
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra. Comprehensive vintage Rolex reference covering 1442 references, including the pre-Daytona chronograph line.
* [https://catalog.antiquorum.swiss/ Antiquorum — Rolex 3525 Nutting POW lot] (2007). Corporal Clive James Nutting Stalag Luft III watch with full archive, sold £66,000.
* [https://www.sothebys.com/en/ Sotheby's — 3525 Monoblocco lot] (2019). Glossy black gilt steel example, case 186,144, c.1942.
* [https://www.sothebys.com/en/ Sotheby's — 3525 Monoblocco lot] (2020). Silvered dial steel example, case 372,822, c.1945.
* [https://catalog.antiquorum.swiss/ Antiquorum — 3525 Mondani Collection lot] (2006). 18K pink gold case 147,854, illustrated in Mondani.
* [https://catalog.antiquorum.swiss/ Antiquorum — 3525 Brownlee POW lot] (2023). USAAF 1st Lt Leon W. Brownlee, Stalag 7A Moosburg.
* [https://www.phillips.com/auctions/watches Phillips — 3525 Dickins POW lot]. RAF Wing Commander Douglas S. Dickins.
* [https://www.phillips.com/auctions/watches Phillips — 3666 Valjoux chronograph lot]. Sister reference to the 3525 with reeded gold bezel.
* [https://alpha-hands.com/ Alpha Hands — 3525 case-number research]. Project recording case-number bands across the 1939–1945 production window.
* [https://www.windvintage.com/ Wind Vintage — 3525 POW research].

[[Category:Chronograph]]
[[Category:Daytona]]
[[Category:Family Index]]

Reference:6541

2026-06-29T01:23:11Z

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{{DISPLAYTITLE:Rolex 6541 Milgauss}}
{{#seo:
|title=Rolex Milgauss 6541 — Lightning-Bolt Hand, 1956–1960 | BezelBase
|description=The 6541 is the cataloged Milgauss: 1956 catalog debut, lightning-bolt seconds added 1957, run ends 1960. Caliber 1066M to 1080, soft-iron Faraday cage, honeycomb gilt dial, 1,000 gauss CERN-verified rating. Phillips Geneva XVII May 2023 record CHF 2,238,000, Bonhams 2009 no-MILGAUSS-text Wolverhampton lot, PerezCope Bull-Gauss authentication canon.
|keywords=Rolex 6541, Milgauss, cal 1066M, cal 1080, honeycomb gilt, lightning-bolt seconds, CERN, Faraday cage, Phillips Geneva XVII 2023, Bonhams 2009 no-MILGAUSS-text, PerezCope Bull-Gauss, Mondani Milgauss
|image=Ref 6541 hero.webp
|image_alt=Rolex Milgauss 6541 — honeycomb black dial, lightning-bolt seconds, smooth fixed polished-steel bezel of the US-market "ROW" variant. Image via Monochrome.
|type=Article
|og_type=article
|published_time=2026-05-17T05:54:08Z
|modified_time=2026-06-29T01:21:49Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:milgauss|Milgauss]] -> '''6541'''

[[File:Ref 6541 hero.webp|thumb|right|250px|alt=Rolex Milgauss 6541 — honeycomb black dial, lightning-bolt seconds, smooth fixed polished-steel bezel of the US-market "ROW" variant. Image via Monochrome.|Rolex Milgauss 6541 — honeycomb black dial, lightning-bolt seconds, smooth fixed polished-steel bezel of the US-market "ROW" variant. Image via Monochrome.]]
[[File:Ref 6541 smooth bezel american.webp|thumb|right|300px|alt=Rolex Milgauss 6541 smooth-bezel American-market variant. Smooth polished bezel was the alternative factory bezel option to the heavier engine-turned bezel; documented across late-production examples.|6541 smooth-bezel American-market variant — alternative factory bezel to the engine-turned signature.]]
[[File:Ref 6541 phillips-record.webp|thumb|right|320px|alt=Honeycomb gilt 6541 — the Phillips Geneva XVII May 2023 record example (case 412'399, CHF 2,238,000). Image via Monochrome / Phillips.|Honeycomb gilt 6541 — the Phillips Geneva XVII May 2023 record example (case 412'399, CHF 2,238,000). Image via Monochrome / Phillips.]]

The 6541 is the cataloged Milgauss. It enters the Rolex catalog at Baselworld 1956 with a straight seconds hand inherited from the proto-reference 6543, the lightning-bolt seconds is added in 1957, and the configuration that defines the reference stabilises from that point. Production ends in 1960. Fewer than 200 examples were produced across the 6543 and 6541 combined, with the 6541's own count constrained to roughly 75–150 once the 6543's share is subtracted. Every documented surviving case sits in a single 412xxx batch, the most concentrated serial-band production in vintage Rolex sport-line history. The reference was engineered for laboratory environments. CERN became operationally commissioned in 1956 and independently verified Rolex's 1,000-gauss anti-magnetic rating against the soft-iron Faraday cage that defines the 6541's case architecture. Rolex's contemporary marketing tagged the reference "Guaranteed Radium Safe" alongside the magnetic-resistance copy. The watch sells slowly through its production years, drifts for decades, then becomes the most-traded vintage Milgauss in the modern auction era, culminating in the Phillips Geneva XVII May 2023 lot 25 result of CHF 2,238,000 against a CHF 500,000–1,000,000 estimate, with the bid widely understood to have been placed by Rolex itself for the brand's museum archive.

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6541
|-
| family
| Milgauss
|-
| production
| catalog intro 1956; lightning-bolt seconds added 1957; run ends 1960
|-
| documented serial range
| case 412'075 (lowest documented, Bonhams 2009 lot 133) to 412'479 (highest documented, Sotheby's NY 2018 lot 256) — every surfaced case sits in the 412xxx batch
|-
| movement
| caliber 1066M (early run, "M" engraved on bridge) transitioning to caliber 1080 (purpose-built Milgauss caliber, later run) — 25 jewels, ~18,000 vph, soft-iron movement cover integrated
|-
| case
| 38mm three-body steel Oyster; 20mm lug width (vs the 6543's 19.5–19.7mm)
|-
| crown
| Twinlock screw-down, reference 21
|-
| Faraday cage
| inner soft-iron ring around movement + soft-iron bell cover — moves the magnetic shielding inward, enabling a refined sport-line caseback (the 6543 used a thick caseback to handle the shielding)
|-
| antimagnetic rating
| 1,000 gauss (independently verified at CERN)
|-
| bezel variants
| rotating engraved bidirectional aluminium insert with red triangle at 12 + single-unit 1-5 markings across six 10-minute sectors (standard, Euro/ROW market) + smooth fixed polished steel (US-market, movements stamped "ROW")
|-
| dial variants
| honeycomb gilt with applied steel triangular indices at 3-6-9 + lume plots elsewhere + red MILGAUSS at 12 (standard); honeycomb tropical (aged black to brown, red MILGAUSS frequently faded to pink); non-luminous "CERN" honeycomb; no-MILGAUSS-text honeycomb (sub-five known, English Midlands provenance cluster)
|-
| hands
| lightning-bolt centre seconds from 1957; dauphine hour and minute (Mercedes hands on the no-MILGAUSS-text trial cluster only)
|-
| bracelet
| reference 6636 riveted Oyster, 80 end-links, "Big Logo" clasp
|-
| period marketing copy
| "Guaranteed Radium Safe" + anti-magnetic 1,000-gauss certification
|-
| auction record
| Phillips Geneva XVII, 13 May 2023, lot 25 — case 412'399, mvt N782694, full papers + 14 June 1960 secondary chronometer cert + hang tag + box, CHF 2,238,000 incl. premium (asterisked: Rolex-buyer market spike, not a clean collector-market comp)
|-
| cleanest market clearing comp
| Antiquorum Monaco, 18 January 2022, lot 111 — case 412'278, EUR 221,000 against EUR 130k–230k estimate
|-
| predecessor
| 6543 (proto-reference, 1954–1956) — same Milgauss family, the 6543 is the 6541's predecessor not a different reference
|-
| successor
| 1019 (1960–1988, cal 1580 — not cal 1066 as occasionally misattributed)
|}

==Where it sits in the line==

The 6541 is the first cataloged Milgauss. The 6543 came earlier as a proto-reference: straight seconds, no lightning bolt, non-standard 19.5–19.7mm lug width that prevented bracelet compatibility (the 6543 shipped exclusively on leather straps), thick one-piece caseback that handled the magnetic shielding directly, and a smaller production run (Watchguys cites 75–200 examples across 1954–1956). The 6541 supersedes the 6543 architecturally. The lug width moves to the 20mm sport-line standard that allows the 6636 Oyster bracelet, the internal soft-iron Faraday cage and soft-iron bell cover push the shielding inward and free up the caseback, and the lightning-bolt seconds hand added in 1957 becomes the reference's external signature.

The 6541's contribution to the Milgauss line is the lightning bolt, the honeycomb dial, and the rotating engraved bezel. The 1019 strips those signatures back for its 1960–1988 dress-coded successor silhouette. The 2007 116400 revival quotes them back, with the 116400's orange lightning-bolt seconds a deliberate visual lift, though the original 6541's hand is luminous-tipped rather than orange.

The 6541 is the rarest sport-line Milgauss by a wide margin. The 1019 has its 28-year run and survivor count in the low thousands. The 116400 has its 16-year revival and survivor count in the tens of thousands. The 6541 has 412xxx-batch production capped at roughly 75–150 examples once the 6543's share of the combined <200 figure is subtracted. The rarest sub-variant, the no-MILGAUSS-text dial, surfaces in fewer than five known cases. Two of the documented examples share English Midlands provenance: Bonhams Dec 2009 lot 133 case 412'075 from Wolverhampton, and a Sotheby's London 2007 lot from Coventry approximately 35 miles distant. The geographic cluster suggests a small trial run hitting a single UK retail point.

Goldberger's ''100 Superlative Rolex Watches'' (Damiani Editore, 2008, ISBN 9788862080392) does include the 6541. Goldberger's Le Monde Edmond interview about the Phillips Hong Kong Milestone sale describes how hard a nice 6541 is to source, but the watch is in the book, not omitted as occasionally restated in tertiary collector chatter.

==Production outline==

===Catalog introduction (1956)===

The 6541 enters the Rolex catalogue at Baselworld 1956. CERN became operationally commissioned the same year, and the timing aligns with the reference's commercial brief. Rolex built a watch specifically for the laboratory environment that CERN was about to open, and CERN independently verified the 1,000-gauss anti-magnetic rating against the soft-iron Faraday cage architecture. Rolex's own statement on the relationship: "CERN was the first institution to confirm that the Milgauss would indeed resist magnetic fields of 1,000 gauss." Early 1956 production carries the straight seconds hand inherited from the proto-reference 6543, visually a 6543 with the new 20mm lug width and revised caseback.

===Lightning-bolt seconds (1957)===

The lightning-bolt seconds hand is added in 1957. The exact intra-year cutoff is not documented. Specialist secondary sources read the 1956 catalog year as the formal launch and the 1957 lightning-bolt addition as the configuration that defined the reference. WatchProZine puts it as "according to Rolex, the first Milgauss was launched in 1956. This almost certainly refers to the second series of Milgauss, the 6541." Some dealer-tier sources push the effective production start to 1957 on this reading. The cleanest framing in the canonical record is the 1956–1960 production window with the lightning bolt arriving in 1957.

===Production batch finalised (1958)===

The IV.1958 + "Patented" caseback stamp is the dating anchor for the majority of surfaced cases. The fourth-quarter-1958 caseback stamp appears on documented examples including Sotheby's Nov 2024 lot 137 (case 412'283), Phillips Geneva XIX Mondani Collection lot 142 (case 412'424), and Sotheby's Nov 2025 lot 182 (an IV.1958 caseback with cataloger-database-error "circa 1976" dating that should be corrected on sight to 1958). PerezCope's authentication canon, the "Bull-Gauss" five-test set, includes the IV.1958 + Patented stamps as one of five forensic markers; their absence on a claimed 6541 caseback is a franken-watch flag.

===Run ends (1960)===

Production ends in 1960. The 1019 succeeds the 6541 the same year with a different caliber generation: cal 1580 at 19,800 vph against the 6541's ~18,000 vph, a 25-jewel-to-26-jewel architecture change, fixed engine-turned bezel, and silver or black dial options without honeycomb texture. The smooth-bezel US-market 6541 sub-variant clears late in the run. Eric Ku's reading restated in Rolexmagazine: "the best scholarship suggests Rolex replaced the spinning bezels with plain steel bezels to make the Milgauss look different as they didn't originally sell well. That is why you never see Rolex collateral material showing the smooth bezel. It was like a blowout at the end."

==Dial variants==

The honeycomb dial is a 6541 signature but is not 6541-exclusive; the 6543 prototype already carried the honeycomb texture. The dial itself functions as the inboard half of the magnetic shielding architecture. Two crossed laminated copper layers under the gilt surface create the honeycomb geometry, and the geometry is functional first, decorative second (Phillips, PerezCope, Sotheby's catalog text). Italian Watch Spotter occasionally describes the construction as "two-layer laminated aluminum"; the specialist consensus settles on copper.

===Honeycomb gilt with luminous indices — production default===

Black honeycomb gilt, applied steel faceted triangular indices at 3, 6, and 9, lume plots at the other positions, dauphine hour and minute hands, lightning-bolt seconds, "MILGAUSS" printed in red at 12. The launch configuration. The dial-side anchor for the standard production-volume configuration is Phillips Geneva XVII May 2023 lot 25 (case 412'399, mvt N782694), full papers plus the 14 June 1960 secondary chronometer cert plus hang tag plus box, CHF 2,238,000 incl. premium against estimate CHF 500k–1M.

===Honeycomb tropical===

Aged from black to brown, red MILGAUSS frequently faded to pink. Documented across multiple anchor lots: Sotheby's London 2020 lot 365 (case 412'351, mvt DN903318), Antiquorum HK Jun 2023 lot 150 (case 412'149, mvt DN903495), Sotheby's Nov 2024 lot 137 (case 412'283), Sotheby's Dec 2023 lot 102 (case 412'159, mvt N872810, smooth-bezel US-market combined with tropical honeycomb dial), Monaco Legend Auctions Exclusive Timepieces 31 lot 32 (case 412'375, "charm brown" tropical smooth-bezel US-market, EUR 143,000), and Antiquorum Geneva Nov 2022 "PINK" lot 481 (case 412'254, rotating bezel, US collector consignment, est CHF 100k–200k).

===Non-luminous "CERN" dial===

Honeycomb pattern with the lume plots omitted on the indices. The attribution to CERN is editorial inference rather than documented procurement. The practical rationale is solid: tritium beta-decay would create scintillation background in radiation detectors, and removing the lume plots eliminates that interference. The historical relationship to CERN is real. But no CERN-issuance roster, no caseback engraving, and no provenance chain links a specific non-luminous 6541 to CERN procurement. The unpolished CERN-spec example most recently in the editorial record traced through a Canadian collector's family inheritance, not a CERN chain. Defensible phrasing: "non-luminous sub-variant reportedly developed for the CERN environment", not "issued to CERN scientists."

===No-MILGAUSS-text dial===

Standard "Oyster Perpetual" upper line, no "MILGAUSS" below the centre. Sotheby's London 2020 lot 365 essay frame: "with less than a handful of pieces known to exist." Bonhams Dec 2 2009 lot 133 (case 412'075, mvt DN911451, cal 1066M) is the canonical sub-five example, and carries Mercedes hands rather than the standard dauphines, suggesting a small no-MILGAUSS-text trial run with Submariner-style hands. A second comparable sold at Sotheby's London 2007. Both originated from the English Midlands: Bonhams from Wolverhampton, Sotheby's 2007 from Coventry, approximately 35 miles apart, suggesting a small no-MILGAUSS-text production trial that hit a single UK retail point. The Sotheby's London 2020 lot 365 example confirms the configuration repeats; sub-five total examples publicly documented.

===White dial===

Repeated in dealer-summary tertiary pages; no auction-house lot or specialist essay surfaces a documented white-dial 6541. The white dial belongs to the 1019, not the 6541. Treat the white-dial 6541 attribution as apocryphal pending a Mondani 2011 or Goldberger 2008 page-level cross-check.

==Case, bezel, crystal, and crown notes==

===Case===

38mm three-body Oyster, polished and brushed finishes, screw-down Twinlock crown (Rolex ref 21), screw-down caseback with IV.1958 + "Patented" stamps on documented production examples. Lug width is 20mm. The move from the 6543's non-standard 19.5–19.7mm to the sport-line standard 20mm is the architectural change that enables bracelet compatibility with the reference 6636 riveted Oyster. The 6541's lugs are visibly thicker than the 6543's. Sotheby's New York 2018 lot 256 measured the case at 37mm; Sotheby's Nov 2024 lot 137 and Nov 2025 lot 182 both cataloged at 39mm; Artcurial M1015 lot 214 cataloged at 38mm. The discrepancy is measurement-method (across bezel vs across midcase), not a production variation. Best practice in published prose: 38mm with a measurement-method note.

===Faraday cage===

An inner soft-iron ring around the movement combined with a soft-iron bell cover sitting between the movement and the caseback. The architecture moves the magnetic shielding inward from the caseback (the 6543's approach) and frees up the caseback geometry. The Faraday cage rates the watch to 1,000 gauss, independently verified at CERN, and is the engineering reason the reference exists. PerezCope's "Bull-Gauss" forensic canon includes the soft-iron cage components as test 4: a brass cage in place of soft-iron is a franken-watch flag.

===Bezel — two factory variants===

The standard configuration is a rotating engraved bidirectional bezel, predominantly Euro/ROW market: black aluminium insert, red triangle at 12, bidirectional rotation, single-unit 1-5 markings inside six 10-minute sectors. The 1-2-3-4-5 reading omits the trailing zero on each ten-minute mark; the bezel reads as 60 minutes divided into six sectors with single-unit refinement. The 1-5 layout has no published Rolex rationale and remains one of the open questions of the early Milgauss design language. PerezCope's authentication test 5: serifed numerals are factory original; non-serif numerals indicate service or aftermarket bezel insert.

The US-market variant is a smooth fixed polished steel bezel with no graduation. Movements are stamped "ROW" (Rolex's export marking for non-Swiss-domestic destination). Eric Ku quoted in Rolexmagazine: "Rolex replaced the spinning bezels with plain steel bezels to make the Milgauss look different as they didn't originally sell well... it was like a blowout at the end." Documented smooth-bezel cases include 412'108 (Antiquorum lot 576), 412'159 (Sotheby's Dec 2023 lot 102), and 412'375 (Monaco Legend lot 32, "charm brown" tropical).

===Crown and crystal===

Screw-down Twinlock crown, Rolex reference 21, the standard sport-line crown of the period shared with Submariner and GMT-Master siblings. Acrylic crystal. No sapphire variant exists; the 6541's crystal is acrylic throughout the run.

==Movement — caliber 1066M to caliber 1080==

The cleanest reading of the caliber sequence is cal 1066M (early run, lower 412 serials, M-engraved bridge) transitioning to cal 1080 (later run, higher 412 serials, purpose-built Milgauss caliber). The "M" engraving on the movement bridge is the Milgauss-specific anti-magnetic spec marker.

Cal 1066M documentation runs through Antiquorum Monaco Jan 18 2022 lot 111 (case 412'278, mvt 872818) cataloged "Rolex 1066"; Sotheby's Nov 2024 lot 137 (case 412'283) cataloged as "M-engraved bridge"; Phillips Geneva XVII May 2023 lot 25 (case 412'399, mvt N782694, the record-setter) cataloged "automatic, caliber 1066, 25 jewels"; and Bonhams Dec 2 2009 lot 133 (case 412'075) cataloged "Cal:1066M nickel-finished lever movement with anti-magnetic cap." Cal 1080 documentation runs through Sotheby's NY 2018 lot 256 (case 412'479, mvt N726507) and Sotheby's June 2023 lot 75 (case 412'370, mvt 866560, full Rolex USA 2008 authentication letter plus complete box and certificate). Watchguys: "the 6543 was equipped with a unique caliber reference 1080, which was modified from the base caliber 1030. Calibre 1080 was based on the first in-house Rolex calibre 1030 from 1950, and both beat at 18,000 vph."

PerezCope's reading: "Cal. 1066M was later replaced with Cal. 1080 which was specifically produced for the Milgauss." The exact case-serial cutoff between the two calibers is not documented.

Common spec across the caliber generations: 25 jewels, ~18,000 vph (2.5 Hz), automatic with Borer 1931-architecture perpetual rotor, soft-iron movement cover integrated into the caliber, ~42–45 hour power reserve, no hacking seconds and no quickset.

Against the 1019's caliber, a correction: the 1019 (1960–1988 successor) carries cal 1580, a different caliber generation, running at 19,800 vph against the 6541's 18,000 vph, with 26 jewels against 25. The "cal 1066" attribution to the 1019 that circulates in some tertiary sources is a misattribution. The 1019 ran cal 1580 throughout production.

==Bracelet, clasp, packaging==

Reference 6636 riveted Oyster bracelet. 80 end-links. "Big Logo" clasp. The 6636 is the period sport-line standard, shared with Submariner 6538, GMT-Master 6542, and other 1956–1960 sport siblings. Documented date codes on surfaced clasps cluster around the production-period quarters (II.57, IV.58, III.59); clasps far ahead or behind the case serial typically indicate later service-replacement bracelets.

The 6543, the proto-reference, shipped exclusively on leather straps due to its 19.5–19.7mm non-standard lug width that prevented bracelet compatibility. The 6541's move to the 20mm sport-line standard lug width is the change that enables the 6636 fitment.

==Auction record==

The 6541's modern auction record runs from a first six-figure benchmark in 2013 to the 2023 Phillips Geneva XVII record-setter, with multiple anchor lots in between.

===Phillips Geneva Watch Auction XVII, 13 May 2023, Lot 25 — the record===

Case 412'399, movement N782694, caliber 1066, 25 jewels. Honeycomb gilt dial. Full papers plus Rolex secondary chronometer certificate dated 14 June 1960 plus original hang tag plus original box. Estimate CHF 500,000–1,000,000. Hammer CHF 2,205,000; total with premium CHF 2,238,000. The buyer was publicly described as a representative bidding for "the Crown". Philipp Stahl (Rolex Passion Report) interpreted this as a Rolex representative acquiring for the brand's future-museum archive, noting the result is "almost 50 percent higher than we see in regular auction" and reasoning Rolex spent CHF 10 million-plus across multiple lots that day. Robb Report and Italian Watch Spotter both framed the day as "Rolex Just Bought 3 Rolex Watches For 8.3 Million Euros."

The CHF 2.2M result therefore carries an asterisk: it is a Rolex-driven market spike, not a clean collector-market comp.

===Antiquorum Monaco, 18 January 2022, Lot 111 — the cleanest market comp===

Case 412'278, movement 872818, caliber 1066. Honeycomb black dial, dauphine hands, rotating engraved bezel. Estimate EUR 130,000–230,000. Hammer EUR 221,000. The cleanest modern regular-market clearing comp for a standard-configuration 6541, free of the museum-spike asterisk.

===Christie's Geneva Important Watches, 11 November 2013 — first six-figure benchmark===

Honeycomb gilt. Hammer USD 345,034 (approximately USD 354,000 with premium). The lot that established the 6541 as a six-figure collector category and inflected the modern market cycle.

===Bonhams Fine Watches & Wristwatches, London (New Bond Street), 2 December 2009, Lot 133===

Case 412'075 (lowest documented surfaced serial), movement DN911451, cal 1066M nickel-finished lever movement with anti-magnetic cap. The no-MILGAUSS-text plus Mercedes hands rarity. Wolverhampton (English Midlands) provenance. Estimate £25,000–30,000. The sister Coventry example sold Sotheby's London 2007. The two documented English Midlands no-MILGAUSS-text examples sit ~35 miles apart and suggest a small UK trial production hitting one retail point.

===Sotheby's Important Watches Part I, 10 November 2024, Lot 137===

Case 412'283, M-engraved bridge cal 1066. Tropical honeycomb dial. Rolex Atelier of Restauration restored. Provenance: Important Asian Private Collector. Estimate CHF 150,000–250,000.

===Sotheby's Important Watches, 7 December 2023, Lot 102===

Case 412'159, movement N872810, cal 1066. Smooth-bezel US-market combined with tropical honeycomb dial, the canonical US-market tropical 6541. Estimate USD 180,000–360,000.

===Sotheby's Important Watches, 9 June 2023, Lot 75===

Case 412'370, movement 866560, cal 1080. Honeycomb black. Full Rolex USA 2008 authentication letter plus complete box and certificate. Estimate USD 80,000–120,000.

===Antiquorum HK, 13 June 2023, Lot 150===

Case 412'149, movement DN903495, cal 1066. Tropical honeycomb. Estimate HKD 700,000–1,000,000.

===Phillips Geneva XIX (Mondani Collection), 11–12 May 2024, Lot 142===

Case 412'424, cal 1066. Honeycomb. IV.1958 caseback stamp. Estimate CHF 100,000–200,000.

===Antiquorum Geneva, November 2022, Lot 481 — the "PINK"===

Case 412'254, cal 1066. Tropical honeycomb with the red MILGAUSS faded to pink, rotating engraved bezel, US collector consignment. Estimate CHF 100,000–200,000.

===Sotheby's London Important Watches, 2020, Lot 365===

Case 412'351, movement DN903318. Tropical plus no-MILGAUSS-text sub-five rarity. Estimate £35,000–65,000.

===Artcurial Horlogerie de Collection M1015, Lot 214===

Case 412'179, cal 1066. Honeycomb black, single-owner provenance since 1965. Hammer EUR 109,200 against estimate EUR 90,000–120,000. A clean single-owner-since-period clearing comp.

===Antiquorum (US-market variant), Lot 576===

Case 412'108 (one of the lowest documented surfaced serials), cal 1065 cataloging (likely a looser cataloging of cal 1066M or an earlier-still designation). Brown tropical honeycomb, smooth-bezel US-market, "ROW" movement stamp, sold 30 January 1959. Hammer CHF 105,750 against estimate CHF 70,000–90,000.

===Sotheby's New York Important Watches (N09952), 2018, Lot 256===

Case 412'479 (highest documented surfaced serial), movement N726507, cal 1080. Honeycomb black, Rolex guarantee dated 1966 (later papers, not original to the production year). Estimate USD 100,000–150,000.

===Sotheby's Important Watches Part I, 9 November 2025, Lot 182===

Cataloger transcription "4'121'168", almost certainly a transcription error for 412'168, with cataloger-database-error "Circa 1976" dating that conflicts with the lot's own IV.1958 caseback reference. Movement N872244, cal 1066. Tropical honeycomb. Estimate CHF 60,000–100,000. Treat the 1976 date as a cataloging error to be corrected on sight.

==Authentication — the PerezCope "Bull-Gauss" canon==

Jose Pereztroika's July 2023 PerezCope exposé "Incorrigible Antiquorum — A Rolex 'Bull-Gauss' And Other Shenanigans" establishes the canonical forensic test set for 6541 authentication. Five markers, in order:

# An M suffix engraved on the movement bridge under the "1066" caliber designation. The "M" is the Milgauss-specific anti-magnetic spec marker. Its absence on a claimed 6541 movement is a franken flag.
# Milgauss-spec balance cock geometry. The shape and finishing of the balance cock differ from standard cal 1066 (non-Milgauss) production. Substitution with a standard cal 1066 balance cock is a franken flag.
# IV.1958 plus "Patented" caseback stamps. The fourth-quarter-1958 production stamp and the "Patented" marking sit together on documented production casebacks. Their absence is a franken flag.
# Soft-iron Faraday cage components. The inner cage ring and bell cover are soft-iron magnetic. Brass substitution, sometimes seen on franken builds where a standard cal 1066 movement has been dropped into a 6541 case without the period-correct cage components, is a franken flag.
# Serifed bezel-insert numerals. Factory bezel inserts carry serifed numerals. Non-serif numerals indicate service or aftermarket replacement.

Case 412'320 (Antiquorum Geneva November 2017 lot 230, CHF 81,250 hammer; re-offered Luxembourg 2019 and Antiquorum again 2023) failed all five tests in the PerezCope exposé and is the canonical "Bull-Gauss", a constructed franken with a standard cal 1066 movement, non-period bezel insert, and brass cage components. The wider argument PerezCope makes: a meaningful fraction of high-priced 6541 lots in the modern auction record are franken builds, and the Bull-Gauss canon is the forensic toolkit a serious collector needs before bidding.

==Race-prize tradition — Daytona Continental and NASCAR==

Jake Ehrlich's 2014 Rolexmagazine archive (restated by aBlogtoWatch and Hodinkee community editorial) documents a 6541 race-prize tradition through the late 1950s and early-to-mid 1960s. The narrative is single-source from Ehrlich; the named recipients carry varying levels of physical corroboration.

Pedro Rodriguez took the 1963 3-Hour Daytona Continental and the 1964 2000 km Continental in Ferrari 250 GTO N.A.R.T. entries. Ehrlich's archive carries photographs of Rodriguez receiving the watch and wearing it while posing for the camera.

Ken Miles and Lloyd Ruby won the 1965 Daytona Continental 2000 km in Ford GT40 #73, the GT40's first victory anywhere and the architectural ancestor of the 1966 Le Mans triumph that ''Ford v Ferrari'' was built around. Both received smooth-bezel US-market 6541s as race prizes. Ruby was photographed in 2002 still wearing his (by then tropical brown) Milgauss, the best-documented continuous-wear photograph in the tradition.

Edward "Fireball" Roberts, NASCAR driver, was photographed in a 1962 or 1963 Rolex print advertisement wearing his 6541. The strongest period documentation of NASCAR-driver Milgauss ownership.

Bobby Allison, NASCAR driver, owned a smooth-bezel US-market 6541 with the caseback engraved "Bobby Allison / 1st", strongly suggesting a race-prize commemorating a first-place victory. Surfaced via aBlogtoWatch's "Race Car Driver Bobby Allison's Flat Bezel Tropical Dial Rolex Milgauss Ref. 6541 Watch." The caseback engraving is the strongest physical evidence in the tradition.

Richard Petty is the softest attribution. A reader-tier community claim circulates in Rolexmagazine comment threads that Petty "purchased a 6541 brand new in 1958". Apocryphal-feeling and third-hand.

The Daytona Continental race results themselves are independently confirmed by NBC Sports, The Henry Ford archive, supercars.net, and Motor Sport Magazine. The 6541-as-race-prize claim itself is Jake Ehrlich single-source; no motorsport archive corroborates the race-prize tradition independently of Ehrlich's chain.

==CERN provenance==

The Rolex-CERN relationship is well-attested. CERN became operationally commissioned in 1956. CERN scientists approached Rolex in the early 1950s requesting a wristwatch capable of maintaining precision in strong magnetic fields. CERN independently verified Rolex's 1,000-gauss rating against the 6541's soft-iron Faraday cage architecture. Rolex's own contemporary statement: "CERN was the first institution to confirm that the Milgauss would indeed resist magnetic fields of 1,000 gauss." Phillips's editorial "What's the Legacy Of The Rolex Milgauss?" frames the relationship as foundational testing partnership rather than procurement contract.

No public roster of CERN-issued 6541 serials exists, since CERN's Scientific Information Service does not host watch-issuance records online; no named CERN scientist linked by provenance to a specific 6541 case (Wolfgang Pauli was at CERN and died in 1958, chronologically open, but no Pauli/Milgauss link surfaces in any record; Pierre Auger, founding figure at CERN, has no documented 6541 attribution); and no caseback-engraved CERN-presented example has surfaced in any major-house catalog. Engraved casebacks that have surfaced are commemorative (Bobby Allison's "1st") rather than CERN-issued.

The closest the public record comes to a documented CERN-adjacent scientist provenance is Martin Skeet's 2016 prototype thesis. Skeet's "The Rolex Milgauss 6541 prototype - the rarest production Rolex ever?" documents a putative 6541 prototype belonging to a Swiss scientist working on hydroelectric dam projects in the early 1950s, later moving to Egypt's Aswan Dam project. The watch carries gold Submariner hands rather than the lightning-bolt plus dauphine combination, with "Milguass" (misspelled) printed in red at the bottom of the dial. Skeet attributes authentication to Rolex Geneva, who described the example as a field-test prototype "issued to people to test in the field." Sold Christie's 2001 for just over £28,000. Treat as Skeet single-source with Rolex Geneva authentication.

The best-documented operator-provenance 6541 in the public auction record is Roberto Pichardo's CIA Bay of Pigs example. Pichardo was a CIA operator at the Bay of Pigs invasion (1961), Brigade 2506 member, radio technician for B-26 aircraft. His 6541, case 412'206, circa 1958, tropical dial, surfaced with attestation from the Pichardo family documenting his Bay of Pigs involvement.

The strongest "scientist" association for the 6541 remains institutional (CERN tested the rating) rather than individual (no documented CERN-issued example exists). Defensible prose framing: "tested at CERN, marketed for the laboratory environment, with a non-luminous dial sub-variant reportedly developed for the CERN environment", not "issued to CERN scientists in documented batches."

==Print bibliography==

The principal print authorities on the Milgauss line:

* Mondani, Guido + Mondani, Franca + Spinello, Paolo + Vittozzi, Gabriele. ''Rolex: Milgauss, Yacht-Master, Turn-O-Graph, Explorer.'' Guido Mondani Editore, 2011. ISBN 9788890372384. 276 pages, format 31×41 cm (described as "the world's biggest book on Rolex watches"). Bilingual English/Italian hardback. Cover price EUR 620. Limited edition 2,000 copies. Photographs of dials, hands, bezels, casebacks, crowns, bracelets, and calibers across every Milgauss reference including the 6541. The most-cited print authority on the Milgauss in dealer and auction-catalog citations. A 2022 successor edition exists (ISBN 9788894972122) and a 2025 bilingual hardback successor (216 pages), both updated to include 116400 modern coverage and post-2011 production data.
* Papaleo, Pucci. ''I Cronografi Rolex – La Leggenda.'' Pucci Papaleo Editore, December 2004. ISBN 9788880000518. 416 pages, ~1,000 original images. Italian with bilingual content in places. Covers Rolex chronographs from 1930s–1990s; the 6541 is illustrated in the volume. The Milgauss is not Papaleo's primary subject; his canon leans Daytona and Day-Date. The 6541 entry is a corroborating cross-reference.
* Goldberger, John. ''100 Superlative Rolex Watches.'' Damiani Editore, 2008. ISBN 9788862080392. 287 pages. The 6541 is illustrated.
* Skeet, Martin + Urul, Nick. ''Vintage Rolex Sports Models.'' Schiffer Publishing. First edition ISBN 9780764314964; expanded edition ISBN 9780764322488; revised 3rd edition ISBN 9780764329814; 4th edition (2019/2020) ISBN 9780764358449. Covers Submariner, Sea-Dweller, GMT-Master, Explorer, Turn-O-Graph, Milgauss, Cosmograph from 1952–1990. ~140 vintage models.
* White, Colin A. ''The Vintage Rolex Field Manual: An Essential Collectors Reference Guide.'' Morningtundra, 2020. ISBN 9780578630823. Covers 1,483 references including the 6541.

==Sources==

===Primary and specialist===

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* ''Rolex: Milgauss, Yacht-Master, Turn-O-Graph, Explorer'' — Guido Mondani, Franca Mondani, Paolo Spinello, Gabriele Vittozzi, Guido Mondani Editore, 2011
* ''I Cronografi Rolex - La Leggenda'' — Paolo Gobbi, Pucci Papaleo Editore, 2004
* ''100 Superlative Rolex Watches'' — John Goldberger, Damiani Editore, 2008
* ''Vintage Rolex Sports Models: A Complete Visual Reference & Unauthorized History'' — Martin Skeet and Nick Urul, Schiffer Publishing, 2019
* [https://perezcope.com/2023/07/25/incorrigible-antiquorum-a-rolex-bull-gauss-and-other-shenanigans/ Jose Pereztroika, "Incorrigible Antiquorum - A Rolex "Bull-Gauss" And Other Shenanigans", Perezcope, 2023]
* [https://www.martinskeet.com/rolex-valuation-authentication-news/2016/rarest-prototype-rolex Martin Skeet, "The Rolex Milgauss 6541 prototype - the rarest production Rolex ever?", martinskeet.com, 2016]
* [https://revolutionwatch.com/rolex-milgauss-one-in-a-thousand/ Ross Povey, "Rolex Milgauss: One in a Thousand", Revolution Watch, 2019]

===Editorial and market===

* [https://www.phillips.com/article/122097700/rolex-milgauss-vintage-1019-6541-discontinued Phillips Watches, "What's the Legacy of the Rolex Milgauss?", Phillips]
* [https://www.phillips.com/detail/rolex/CH080123/25 Phillips, "The Geneva Watch Auction XVII, Lot 25 - Rolex Milgauss Ref. 6541 (record example)", Phillips, 2023]
* [https://monochrome-watches.com/history-rolex-milgauss-collection-in-depth-review/ Monochrome Watches, "In-Depth: The Complete History of the Rolex Milgauss", Monochrome Watches]
* [https://italianwatchspotter.com/the-history-of-rolex-milgauss/?lang=en Italian Watch Spotter editorial, "The History of Rolex Milgauss", Italian Watch Spotter]
* [https://www.rolexmagazine.com/2014/04/the-complete-history-of-rolex-milgauss_8.html Jake Ehrlich, "The Complete History Of The Rolex Milgauss", Rolex Magazine, 2014]
* [https://www.rolexencyclopedie.nl/english/models/the-milgauss-a-missed-opportunity/ Jaap Bakker, "The Milgauss: a missed opportunity", Rolexencyclopedie]
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-n09952/lot.256.html Sotheby's, "Rolex Milgauss Ref. 6541 - Sotheby's Important Watches (2018-2025 lots)", Sotheby's]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6541-milgauss-lot-347-111 Antiquorum, "Rolex Ref. 6541 Milgauss - Antiquorum lots (2017-2025)", Antiquorum]
* [https://www.bonhams.com/auctions/16896/lot/133/ Bonhams, "Rolex Milgauss Ref. 6541, honeycomb dial with no MILGAUSS designation - Bonhams London, lot 133", Bonhams, 2009]
* [https://www.artcurial.com/en/sales/M1015/lots/214-a Artcurial, "Rolex Milgauss ref. 6541 (n.412179) - Artcurial M1015, lot 214", Artcurial, 2017]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-31/lot-32 Monaco Legend Group, "Rolex Milgauss Ref. 6541, brown tropical honeycomb dial - Monaco Legend Exclusive Timepieces 31, lot 32", Monaco Legend Auctions, 2023]
* [https://www.windvintage.com/rolex-milgauss-reference-6541-unpolished Eric Wind, "Rolex Milgauss Reference 6541 Unpolished (non-luminous "CERN" dial)", Wind Vintage]
* [https://www.ablogtowatch.com/race-car-driver-bobby-allisons-flat-bezel-tropical-dial-rolex-milgauss-ref-6541-watch/ aBlogtoWatch, "Race Car Driver Bobby Allison's Flat Bezel Tropical Dial Rolex Milgauss Ref. 6541 Watch", aBlogtoWatch]
* [https://le-monde-edmond.com/john-goldberger-explaining-the-hk-milestone-sale-in-more-detail/ Edmond Saran, "John Goldberger: Explaining the Phillips HK Rolex Milestone sale in more detail", Le Monde Edmond, 2016]

[[Category:Milgauss]]
[[Category:working-draft]]
[[Category:References]]

Reference:paul-newman-daytona

2026-06-29T01:23:10Z

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{{DISPLAYTITLE:Rolex paul-newman-daytona}}
{{#seo:
|title=Rolex 'Paul Newman' Daytona — Exotic Dial Buyer's Guide | BezelBase
|description=Everything about the Rolex Paul Newman Daytona — the exotic dial's Mk1 through Mk4 progression, the five color types, RCO Oyster Sotto, JPS, Lemon, and the six host references (6239, 6241, 6262, 6263, 6264, 6265). Newman's own 6239 sold for USD 17.75M at Phillips in 2017; his Big Red 6263 sold for USD 5.48M at Phillips in 2020.
|keywords=Paul Newman Daytona, Paul Newman Rolex, exotic dial, Singer dial, MK1 Paul Newman, Big Eyes, RCO, Oyster Sotto, JPS Daytona, Lemon dial, 6239, 6241, 6263, 6265, Winning Icons
|image=Paul Newman wearing 6239.webp
|image_alt=Paul Newman wearing his 6239 Cosmograph Daytona
|type=Article
|og_type=article
|published_time=2026-04-19T14:02:30Z
|modified_time=2026-06-04T04:42:54Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> '''Paul Newman Daytona'''

= Paul Newman Daytona =

The Paul Newman Daytona is the best-known exotic dial in vintage Rolex. The name describes a dial — a Singer-made Cosmograph layout with block markers, sub-dial cross-hairs, and 15/30/45 numerals instead of the standard 20/40/60 — fitted to six manual-wind Daytona references between 1963 and 1988. The dial was unpopular when new and sat on dealers' shelves for years. A half-century later Paul Newman's own watches fixed the type at the top of the vintage Rolex market.

This page covers the dial across all six host references. The host references each have their own article, linked in the table below.

[[File:Paul Newman wearing 6239.webp|thumb|right|250px|alt=Paul Newman wearing his 6239 Cosmograph Daytona|Paul Newman wearing his 6239 Cosmograph Daytona]]

== What defines a Paul Newman dial ==

A Paul Newman dial is defined by four things: block markers, cross-hairs in each sub-dial, 15/30/45 numerals on the 30-minute register, and a contrasting outer chapter ring. The 15/30/45 register is the fastest authentication tell.

Paul Newman dials are made by Singer, the Geneva dial supplier behind the majority of period Cosmograph dials. The Singer stamp on the dial back reads "Singer" in period-correct typography, and the stamp style shifts across the Mk1 to Mk4 progression. The stamp alone is not diagnostic — Singer also supplied the standard Cosmograph dial of the same era — but the stamp style is routinely cross-checked against the Mk-mark the dial purports to be.

The printed text matches the standard dial of the period: "ROLEX COSMOGRAPH" at 12 o'clock in the early years, "DAYTONA" added above the 6 o'clock sub-register from 1964 onward, unit-per-hour bezel graduation, "T SWISS T" or "T SWISS T<25" at the dial base for tritium lume, and the reference number printed between the lugs on the 6263 / 6265 era.

== Mark 1 through Mark 4 progression ==

Rolex never documented a Paul Newman Mk progression. The typology is collector consensus, first formalised by Italian dealer Stefano Mazzariol in the 1990s and later carried into English-language editorial by Ross Povey at Revolution, Benjamin Clymer and Paul Boutros at Hodinkee, and the Phillips catalogue text across Daytona Ultimatum (2018) and James Marks's Made for Racing essay. The four-mark scaffold below is the commonly-cited progression; transition dates between marks are approximate and overlap heavily across host references.

{| class="wikitable"
|-
! Mark !! Period !! Distinguishing features !! Notes
|-
| MK1 || 1963–1967 || Gilt-printed text on early 6239 versions; square block markers with no outline; "Daytona" not yet added to dial; 300 unit-per-hour bezel; "T SWISS T" at dial base || The foundation Paul Newman. The earliest 6239 examples are the "Double Swiss Underline" variants documented by Benjamin Clymer at Hodinkee in 2013: a line under "SWISS" at the dial base with a second "SWISS" printed just above, from the brief period when radium-era markings were transitioning out
|-
| MK2 || 1966–1969 || "Daytona" script added in red above the 6 o'clock sub-register; block markers with subtle outline; 200 or 300 unit-per-hour bezel depending on late transition; cross-hairs retained || Dominates the 6241 / 6262 / 6264 era production. Tri-colour variants in panda and reverse-panda formats are most populous here
|-
| MK3 (Big Eyes) || 1969–1972 || Sub-dial outer rings proportionally larger than MK1/MK2; "Daytona" red script retained; block markers squared-off with clear outline; T<25 markings || Named for the visually larger sub-dials. "Big Eyes" is not a separate variant but a sub-mark of the MK3 generation
|-
| MK4 || 1972–1988 || Block markers narrower than MK3; sub-dial rings recalibrated; Sigma dials (gold indices flanked by σσ either side of SWISS) fall inside this mark; tritium lume with "T<25" || Runs through the 6263 / 6265 final production. Sigma-dial Paul Newman examples are the late-production sub-branch
|}

Sub-mark labels (MK1.5, MK1.75 and finer) surface in the deeper collector literature; Jose Pereztroika of Perezcope works at MK1.75 granularity in his forensic analysis of the Phillips "Neanderthal" 6240. The four-mark scaffold above remains the consensus framing in most auction catalogues and editorial treatments.

== The five colour types ==

Beyond the Mk progression, Paul Newman dials classify into five colour types based on dial and sub-dial colour combinations. Each colour type appears across multiple Mk generations.

{| class="wikitable"
|-
! Colour type !! Dial base !! Sub-dials !! Common host refs !! Notes
|-
| Tri-colour standard || Silver || Black with white rings || 6239, 6241 || The most common Paul Newman layout; white outer chapter ring
|-
| Tri-colour reverse || Black || Silver with black rings || 6239, 6241 || Black outer chapter ring; sometimes called "reverse panda PN"
|-
| Panda || White || Black with white rings || 6239, 6263 || Similar to tri-colour standard without the outer chapter-ring contrast
|-
| Reverse panda || Black || White with black rings || 6239, 6263 || Black dial with three stark white sub-dials
|-
| Lemon || Yellow lacquer || Black or dark || Gold-case 6263, 6265 || Yellow-lacquer full-dial finish fitted to rare gold 6263 and 6265 cases. Bob Ridley's 2017 bench dissection in Revolution records that the gold-case Paul Newman is always the Lemon variant; the rare RCO exception is documented on a small number of late-era gold 6263 / 6265 examples
|}

The colour-type label is cross-referenced against the Mk-mark label in most auction catalogues. "MK2 panda Paul Newman on 6241" uniquely identifies a dial by generation, colour scheme, and host case.

== RCO — Rolex Cosmograph Oyster / Oyster Sotto ==

RCO (Rolex Cosmograph Oyster), also called Oyster Sotto, is the rarest standard-production Paul Newman layout. The tell is simple: "ROLEX COSMOGRAPH OYSTER" instead of the standard text order. Documented examples sit only on 6263 and 6265 host watches.

The Oyster Sotto Paul Newman 6263 took the headline at Christie's "Lesson One: The Legendary Rolex Daytona" (Geneva, 10 November 2013) and again at Phillips Daytona Ultimatum (Geneva, 12 May 2018), and has consistently traded as the second-most-expensive Paul Newman variant behind Newman's own examples. The RCO Mk1 is the earliest sub-generation, with a tighter text layout than later RCOs, and commands a further premium within the RCO category. RCO 6265s surface less frequently than RCO 6263s and are rarer still.

== JPS — John Player Special ==

JPS denotes a Paul Newman dial on a yellow gold case where the dial is black and the sub-dial surrounds and hour markers are gold-toned, echoing the black-and-gold livery of the John Player Special-sponsored Lotus Formula 1 team of the 1970s. Mario Andretti won the 1978 Drivers' Championship in the Lotus 79 wearing that livery. The JPS nickname is a collector invention applied retroactively; Rolex never used it.

The 6241 in 14k yellow gold is the main JPS host and the watch most collectors mean when they say JPS Daytona. Fewer than 400 were produced for the North American market. The same look also appears on some gold 6263s, though those are more often described under the Lemon branch.

== Six host references ==

Paul Newman dials appear on six manual-wind Cosmograph Daytona references. Each is documented in its own reference article.

{| class="wikitable"
|-
! Reference !! Production !! Paul Newman Mks !! Notes
|-
| [[Reference:6239|6239]] || 1963–1969 || MK1, MK2, MK3 || The first Cosmograph Daytona and the most populous Paul Newman host overall. Newman's own watch, with "Drive carefully me" engraved on the caseback (gifted by Joanne Woodward circa 1968), is a 6239 MK1 and holds the Rolex auction record
|-
| [[Reference:6241|6241]] || 1966–1969 || MK1, MK2 || Black acrylic bezel pump-pusher sibling of the 6239. The 14k yellow gold JPS 6241 is the most populous Paul Newman gold variant
|-
| [[Reference:6262|6262]] || 1970–1972 || MK2, MK3 || Brief transitional metal-bezel pump-pusher reference. Paul Newman dials on the 6262 are less populous than on 6239 / 6263
|-
| [[Reference:6263|6263]] || 1969–1988 || MK2, MK3, MK4 || The longest-running Paul Newman host and the reference that carries the rare RCO / Oyster Sotto variant. Newman's own "Big Red" 6263, engraved "Drive slowly Dad", sold at Phillips New York for USD 5,475,000 in December 2020
|-
| [[Reference:6264|6264]] || 1970–1972 || MK2, MK3 || Acrylic black bezel sibling of the 6262. Paul Newman dials on the 6264 are among the rarest Newman host combinations
|-
| [[Reference:6265|6265]] || 1971–1988 || MK2, MK3, MK4 || Engraved metal tachymetre bezel sibling of the 6263. Paul Newman 6265s are less populous than Paul Newman 6263s across every Mk generation
|}

== Landmark sales ==

Paul Newman dials have redrawn the vintage Rolex market three times in the 2010s and 2020s. The sales below are the records that shifted the category.

{| class="wikitable"
|-
! Date !! Watch !! Sale !! Price (USD incl. premium) !! Significance
|-
| 26 October 2017 || Paul Newman's own 6239 MK1 || Phillips "Winning Icons", New York || 17,752,500 || The highest price paid for any Rolex at public auction at that time. Caseback engraved "Drive carefully me", gifted by Joanne Woodward to Paul Newman circa 1968
|-
| 10 November 2013 || Oyster Sotto 6263 || Christie's "Lesson One: The Legendary Rolex Daytona", Geneva || ~1,089,000 || First Paul Newman to breach the seven-figure USD mark at auction. The RCO / Oyster Sotto layout documented as a confirmed factory variant
|-
| 12 May 2018 || Various Paul Newman lots including Oyster Sotto 6263, Neanderthal 6240, RCO 6265 || Phillips "Daytona Ultimatum", Geneva || Multiple seven-figure results || A 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum. Reset the market ceiling across the Paul Newman category. The Oyster Sotto 6263 hammered at CHF 1,662,500 (USD ~1.66M)
|-
| 12 December 2020 || Paul Newman's own "Big Red" 6263 || Phillips, New York || 5,475,000 || The second Newman-owned Paul Newman to surface at auction. Caseback engraved "Drive slowly Dad" from Newman's daughter Nell; that engraving is the authentication pivot
|-
| 2017–present || Reference auction lots || Phillips, Sotheby's, Christie's || Standard panda PN 6239: USD 150K–500K range; RCO 6263: USD 500K–1M+ range || The standard Paul Newman has appreciated from pre-2013 five-figure prices into six-figure territory across the 2017–2020 reset. The RCO sub-branch trades at roughly 3–5x the standard Paul Newman of the same mark
|}

== Authentication ==

Paul Newman authentication is the densest forensic category in vintage Rolex. The canonical English-language treatments are the Phillips Made for Racing essay by James Marks (2018) and the Hodinkee Reference Points piece by Benjamin Clymer (2013). Jose Pereztroika's Perezcope dossiers on the Neanderthal 6240, the Albino 6263, and the Unicorn 6265 cover disputed authenticity cases in adjacent categories, and the failure modes they document apply to Paul Newman authentication as well.

Authentication starts at the dial back and the print. The Singer stamp style has to match the mark period it claims, the sub-dial crosshairs and 15/30/45 numerals have to be original printing rather than later additions, and the case serial range has to line up with the dial generation. The catch is that service-replacement Paul Newman dials exist as factory product, so a correct service dial reads identically to an original-delivery dial under the loupe; provenance documentation does the rest of the work.

== Disputed examples ==

The Paul Newman category carries several examples whose authenticity or provenance is disputed in the published literature. The full treatment of each sits in the host reference article.

The "Neanderthal" 6240 was the headline lot at Phillips Daytona Ultimatum (2018), presented by the auction house as the earliest documented Paul Newman prototype. Jose Pereztroika's 2022 forensic dossier at Perezcope argues the dial is a late-1990s construction from a 6238 donor dial, using period evidence from the April 1998 issue of ''Orologi & Market''. Both positions stay on record. See [[Reference:6240]].

The "Albino" 6263 has three known examples. Hodinkee's 2013 coverage treated the variant as factory Rolex; Perezcope's December 2025 dossier argues it is a Tom Bolt construction of 1990s origin. Sotheby's Abu Dhabi sold a third Albino in December 2025 with "origins unknown" catalogue language. See [[Reference:6263]].

Lemon dial attribution on gold Paul Newmans is the third open question. Bob Ridley's 2017 Revolution bench dissection records that gold-case Paul Newman Daytonas (6263 / 6265) are always the Lemon variant, while some auction catalogues continue to list gold-case PNs under other colour-type labels. Whether "Lemon" is Rolex's own factory designation or a collector-settled retroactive label has not been resolved in the published literature.

== Gallery ==

<gallery widths="200" heights="200">
File:Ref 6239 Newman watch.webp|Newman's own 6239 — the exotic dial that named the type. (Phillips)
File:Paul Newman dial steel panda 6263.webp|Archetypal steel exotic dial: silver base, black registers, 15/30/45 sub-dial. (Phillips)
File:Paul Newman dial Oyster Sotto 6263.webp|RCO "Oyster Sotto" — the rarest steel Paul Newman. (Phillips)
File:Paul Newman dial JPS gold 6241.webp|"John Player Special" — black-and-gold exotic dial in gold. (Phillips)
File:Paul Newman dial Lemon gold 6263.webp|Gold-case exotic dial, "The Legend". (Phillips)
</gallery>

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made For Racing: Rolex and the Daytona] — James Marks, Phillips
* [https://www.phillips.com/auctions/auction/CH080318 Phillips — Daytona Ultimatum (Geneva, 12 May 2018)] — Pucci Papaleo (curator); Aurel Bacs (auctioneer), Phillips in Association with Bacs & Russo
* [https://www.phillips.com/article/163220169/rolex-daytona-golden-pagoda-paul-newman-6239-phillips-decade-one The Golden Pagoda: An Incredible Rolex Daytona Paul Newman Ref. 6239] — Logan Baker, Phillips
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona, Explained (Or, What Is A Double-Swiss Underline Daytona?)] — Benjamin Clymer, Hodinkee
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-part-1-3 In-Depth: A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Past to Present (Part 1/3)] — Paul Boutros, Hodinkee
* [https://www.hodinkee.com/articles/a-vintage-watch-nerds-critical-dissection-of-the-rolex-daytona-past-to-present-pt-23 In-Depth: A Vintage Watch Nerd's Critical Dissection of the Rolex Daytona, Past to Present (Part 2/3)] — Paul Boutros, Hodinkee
* [https://revolutionwatch.com/rolex-john-player-special-paul-newman-daytona-ref-6241/ The Rolex "John Player Special" Paul Newman Daytona Ref. 6241] — Bob Ridley (Watchmakers International), Revolution Watch
* [https://revolutionwatch.com/a-movement-in-history-the-zenith-driven-rolex-daytona/ A Movement in History: The Zenith-driven Rolex Daytona] — Ross Povey, Revolution Watch
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona, The Emblematic Racing Chronograph] — Erik Slaven, Monochrome
* [https://watchesbysjx.com/2020/12/paul-newman-rolex-daytona-6263-big-red-auction.html Breaking News: Paul Newman's Rolex Daytona 6263 "Big Red" Sells for US$5.48m] — JX Su, SJX Watches
* [https://watchesbysjx.com/2013/11/spectacular-results-at-christies-rolex-daytona-lesson-one-auction-in-geneva-including-a-million-dollar-paul-newman.html Spectacular Results at Christie's Rolex Daytona "Lesson One" Auction in Geneva] — JX Su, SJX Watches
* [https://watchesbysjx.com/2018/05/penultimate-picks-from-daytona-ultimatum-at-phillips.html Penultimate Picks from Daytona Ultimatum at Phillips] — JX Su, SJX Watches
* [https://perezcope.com/2022/11/03/rolex-daytona-6240-paul-newman-neanderthal-a-myth-goes-extinct/ Rolex Daytona 6240 Paul Newman "Neanderthal" — A Myth Goes Extinct] — Jose Pereztroika, Perezcope
* [https://perezcope.com/2025/12/03/not-quite-whiter-than-white-the-reality-of-the-rare-rolex-albino-daytona-ref-6263/ Not Quite Whiter Than White: The Reality of the Rare Rolex 'Albino' Daytona Ref. 6263] — Jose Pereztroika, Perezcope
* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Is the Rolex Pre-Daytona a Forgotten Classic?] — Russell Sheldrake, A Collected Man
* [https://www.acollectedman.com/blogs/journal/interview-aurel-bacs Interview: Aurel Bacs] — A Collected Man
* [https://www.sothebys.com/en/articles/vintage-rolex-daytona-the-gold-standard Vintage Rolex Daytona: The Gold Standard] — Karyn Orrico, Sotheby's
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Daytona]]
[[Category:Paul Newman]]
[[Category:Family]]

Reference:6538

2026-06-29T01:23:08Z

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{{DISPLAYTITLE:Rolex 6538 Submariner}}
{{#seo:
|title=Rolex Submariner 6538 'Big Crown' — James Bond, 1956–1959 | BezelBase
|description=The 6538 is the big-crown Goldfinger Submariner. 1956–1959 production, no crown guards at any point, two-line gilt and rare four-line OCC dials, Connery on-screen across four films, A/6538 SBS military sub-branch,
|keywords=Rolex, 6538, Submariner, Goldfinger, Bond, big crown, four-line, A/6538, MilSub
|image=Ref 6538 hero.webp
|image_alt=Rolex Submariner Ref. 6538
|type=Article
|og_type=article
|published_time=2026-04-14T16:13:46Z
|modified_time=2026-06-29T01:21:46Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> '''6538'''

The 6538 is the big-crown Submariner of the late 1950s and the most famous vintage Rolex outside the Daytona Paul Newman category. Sean Connery wore a two-line gilt 6538 on a 16mm striped NATO across 20mm lugs in ''Dr. No'' (1962), ''From Russia with Love'' (1963), ''Goldfinger'' (1964), and ''Thunderball'' (1965), and that on-screen run turned the reference into the most recognised early Submariner on the planet. The Bond association is half the story. The 6538 is also the mature no-crown-guard big-crown Submariner: 200m depth rating, caliber 1030 (Rolex's first bidirectional automatic), and the oversized 8mm Brevet crown that gives the case its silhouette. When collectors say "big crown Sub" or "Bond Sub," this is the watch they mean.



[[File:Ref 6538 hero.webp|thumb|right|250px|alt=Rolex Submariner Ref. 6538|Rolex Submariner Ref. 6538]]

== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6538
|-
| family
| Submariner
|-
| production
| 1956–1959 auction-house consensus (Phillips, Sotheby's, Christie's, Antiquorum); Wind Vintage, 41Watch push the launch year to 1955
|-
| total examples
| genuinely contested. Blackbird Watch Manual's serial-range model implies ~1,500–2,000 across four series; Bob's editorial mirror gives "estimated 40,000 examples" — the 40,000 figure is anomalously high vs every auction-house claim and almost certainly conflates broader serial-range data
|-
| serial-range series (Blackbird)
| First series ~140,300–140,500 (~200 watches); Second series ~158,100–158,400; Third series 307,100–307,600 plus a 383,000 group; Fourth series ~426,000–449,300
|-
| case
| 37mm without crown
|-
| crown
| 8mm Brevet — engraved "BREVET" (Swiss-French for "patent")
|-
| crown guards
| none, throughout the run. Crown guards arrive with the 5512 in late 1959; the "four-liner" descriptor on this reference is a dial designation, not a crown-guard format
|-
| movement
| caliber 1030, 25 jewels, 18,000 vph, ~42-hour reserve. Rolex's first bidirectional automatic. Chronometer-rated only on the four-line dial variants
|-
| depth rating
| 200m / 660ft
|-
| dial versions
| two-line (common, ~10–20:1 majority per Wind Vintage); four-line OCC chronometer (~30% premium when new)
|-
| crystal
| acrylic
|-
| Connery films
| ''Dr. No'' (1962), ''From Russia with Love'' (1963), ''Goldfinger'' (1964), ''Thunderball'' (1965)
|}


== Where it sits in the line ==

The 6538 is the direct successor to the 6200 on the big-crown side and the first big-crown Submariner produced at meaningful volume. It runs alongside the small-crown 5508 and is paralleled briefly by the transitional 5510 before the crown-guard 5512 changes the line in late 1959. The 6200 introduced the big crown and the 200m rating, but only 303 units were built. The 6538 is where that specification scaled into a recognisable production reference — still short-lived by later standards, but far broader than the 6200 experiment.

The crown-guard transition often misattributed to the 6538 is in fact the 6538-to-5512 transition. Phillips's 2025 article on the four-line 6538 reads it as "the last of the pure, no-guard Submariners, before Rolex transitioned to the more familiar Ref. 5512 and Ref. 5513." 41Watch and Bob's editorial both read the no-crown-guard format as universal across the 6538 run. Articles that describe "four-liner crown guards" on later 6538s confuse two different evolutions — the four-line dial (mid-run, see Dial map) and the 5512 crown guards (late 1959, after the 6538). The 6538 carries no crown guards at any point.


== Production outline ==

Production ran 1956 to 1959 across the auction-house consensus. Monochrome's Altieri (2017) writes "manufactured from 1955 until about 1959"; Wind Vintage gives "the latter part of the 1950s"; 41Watch reads "less than six years from 1955 to the end of 1959"; Bob's editorial reads ca. 1955 through ca. 1959. Phillips, Sotheby's, and Christie's lots cluster the launch in 1956. Capture the 1955 reading as the dealer-trade minority view; the auction-house consensus reads 1956–1959.

Total production is the noisiest gap. Blackbird Watch Manual (Biebuyck, December 2019) gives case-number ranges by series rather than a single total: First Series ~140,300–140,500 (~200 watches); Second Series ~158,100–158,400; Third Series 307,100–307,600 plus a 383,000 group; Fourth Series ~426,000–449,300. The four series add to roughly 1,500–2,000 examples — the strongest direct evidence in the auction record. Aggregator dealer copy quotes "estimated 40,000 examples" with "barely 30%" surviving. The 40,000 figure is anomalously high vs every auction-house claim and almost certainly conflates broader serial-number range with reference-specific output. Both extremes deserve mention; the Blackbird four-series model is the better-grounded reading.


== Movement notes ==

The 6538 runs caliber 1030 — Rolex's first bidirectional automatic, 25 jewels, 18,000 vph, ~42-hour reserve. The 1030 first appears on the 6098 in 1952 and runs across the no-crown-guard Submariner family (6536 / 6536-1 / 6538) into the early Explorer 6610 era. On the 6538, chronometer rating tracks the dial: only four-line "Officially Certified Chronometer" examples carried the chronometer regulation and Bureau Officiels Suisse de Contrôle (the Swiss official chronometer testing body, BO; later COSC) certification. The standard two-line dial is the same caliber without the chronometer pass. Wind Vintage notes the four-line examples underwent additional Rolex regulation and Swiss Government testing, earning a roughly 30% chronometer premium when new.

A296 — used on the 6098 / 6150 / 6350 line that runs alongside the small-crown Submariners — is a full-rotor uni-directional Perpetual, not a bumper. Rolex's 1931 Perpetual patent designed the rotor for 360° rotation from the start; the 1030 of 1950 introduced bidirectional winding via the butterfly rotor and a thinner autowind module, which is what dropped the bubble-back caseback profile. Earlier Rolex articles describing A296 as bumper-style mistook the autowind-module thickness for a bumper architecture (Phillips Geneva Watch Auction FOUR lot 146, November 2016, frames the A296→1030 swap explicitly as a thickness change rather than an architectural one).


== Dial map ==

[[File:Ref 6538 dial-detail.jpg|thumb|right|220px|alt=6538 dial close-up|6538 dial close-up]]
[[File:Ref 6538 four-line-chronometer.jpg|thumb|right|220px|alt=Four Line Chronometer|Four Line Chronometer]]


=== Two-line gilt ===

The standard 6538 dial. Glossy black lacquer ground with gilt printing, "Submariner" above and the depth-rating line below. The dominant configuration across the run, including the Connery on-screen watch. Wind Vintage estimates a 10–20:1 ratio of two-line to four-line surviving examples.


=== Four-line gilt chronometer (OCC) ===

The four-line dial adds two further lines of "Superlative Chronometer Officially Certified" text. Phillips New York 2018 lot 77 (NY080118/77) is the canonical four-line auction record — a 1957 example with full set including a chronometer certificate dated 12 August 1957. The Sotheby's tropical four-line lot, circa 1958 (already-cited), anchors the variant in the auction record. Blackbird places four-line dials predominantly in the second series (case range ~158,100–158,400), US market.


=== Tropical variants ===

Tropical dials appear in both two-line and four-line configurations. Aging patterns vary — even brown in some examples, dramatic chocolate or reddish tones in others. Tropical change is irreversible. A tropical four-line 6538 with an honest case, original bezel, and documented provenance is among the most valuable vintage Rolex watches on the market — four-line rarity, tropical irreversibility, and Bond-era production converging on a single configuration.


=== Red depth text ===

Some 6538 dials carry the depth rating in red rather than gilt or white. Phillips (Logan Baker, 2019) has sold both MK I and MK II Red Sub lots at its Geneva sales. The most famous red-depth 6538 in the public record is the Christie's June 2018 example (see auction record below): an Explorer dial with red meters-first "200/660" depth rating,.


=== Explorer dial ===

[[File:Ref 6538 explorer-369.jpg|thumb|right|220px|alt=Explorer 369|Explorer 369]]
[[File:Ref 6538 explorer-dial.jpg|thumb|right|220px|alt=Explorer Dial|Explorer Dial]]

Explorer-dial 6538 examples carry the 3-6-9 numeral layout (numerals at three, six, and nine o'clock in place of the usual baton markers) most associated with the 6200. The prevailing reading among collectors and auction catalogs is that Rolex used Explorer dials as substitutes when supplies of the standard Submariner dial ran short during early production. Of the fifteen Explorer-dial Submariners Phillips has sold across all references (6200, 6538, 5510, 5512, 5513), only a handful are 6538s. The Christie's June 2018 record-setter combines an Explorer dial with red meters-first depth text — the configuration Hodinkee's Pulvirent called "a perfect storm Submariner."


== Case, bezel, crystal, and crown ==

[[File:Ref 6538 crown-detail.jpg|thumb|right|250px|alt=8mm Brevet crown detail|8mm Brevet crown detail]]

The defining feature is the oversized 8mm Brevet crown — larger than the 6mm crowns of the 5508 and 6536 and the source of the reference's nickname. The case measures 37mm without crown, with a domed acrylic crystal. No crown guards across the entire run; the unguarded case profile is one of the cleanest single visual identifiers. The 5512 introduces full crown guards in late 1959 and runs alongside the early 5513.

Bezel inserts evolve across the run. Early production carries a red-triangle insert with the twelve-o'clock marker filled in red enamel or lacquer and no minute graduations between 0 and 15. "Long 5" bezels — where the numeral 5 has a long descending tail — surface frequently and are tracked by specialists as a sub-variant. Later production adds the 0–15 minute hashes that carry into the 5512 / 5513 era.


== Bracelets, end links, clasps, and packaging notes ==

[[File:Ref 6538 hero 2.webp|thumb|right|250px|alt=Rolex Submariner Ref. 6538|Rolex Submariner Ref. 6538]]

Period-correct delivery splits across two rivet bracelet families. The 7206 is the fixed-link rivet Oyster, found with end-links 80 (7206/80). The 6636 is the expandable rivet Oyster, with end-links 64 or 65 (6636/64, 6636/65) — the same fitments documented across the 5508, 5510, 6536, 6542, and earliest 5512 / 1675 production. Reference-number stamping on the bracelets only appears from 1961 onwards, so 6538-era bracelets are typically unstamped — an important authentication tell. The "Big Logo" deployant clasp is characteristic of the late-1950s / early-1960s rivet runs and turns up frequently on cataloged 6538 examples.

The 9315 folded-link Oyster is post-rivet, primarily a 1968-onwards service replacement. A 9315 on a 6538 is a swap, not original delivery. Connery's on-screen Bond 6538 wore a 16mm striped NATO across 20mm lugs rather than a bracelet; that NATO presentation is what most viewers picture, but the factory delivery configuration was the rivet Oyster.


== Bond on-screen attribution ==

The Christie's June 2018 record-setting 6538 (USD 1,068,500) is not Connery's actual screen watch. Editorial coverage confirms the lot was an Explorer dial 6538, "meters-first, reading '200/660' with no actual units present, and printed in red instead of white or gilt," sold without bezel on a too-small NATO. The lot came from the family of an original-owner painter. Bonhams's December 2020 sale carried an explicit disclaimer: "the watches on auction have NOT appeared in the films but are the same model" (via Bond Lifestyle).

The whereabouts of the actual Connery screen watches are not publicly documented. The on-screen configuration is consistently described as a two-line gilt 6538 on a striped NATO; that combination drives much of the modern collector demand for documented two-line 6538s. The Bond connection drives a meaningful premium across the reference, but no public lot has been credibly tied to the screen watches themselves.

[[File:Ref 6538 bonhams-explorer.jpg|thumb|right|250px|alt=Bonhams Explorer|Bonhams Explorer]]


== A/6538 Special Boat Service military variant ==

The A/6538 (sometimes written 6538A) is a Royal Marines Special Boat Service military issue, not a civilian sub-variant with a chapter ring. Revolution's 2016 "MilSub Before the MilSub" piece and the parallel Rolex Passion Report article are the canonical sources. Initial order: 21 watches, originally referenced 6540, restamped A/6538 by Rolex because of the small run. Estimated total production up to ~50 examples.

The A/6538 carries an Explorer dial — radium 3/6/9 with red "200/660" depth printing, the first red text on a Rolex sports dial — alongside a German-silver bezel (a copper-nickel-zinc alloy, distinct from the standard brass or aluminum production bezels), fixed lug bars rather than spring-bar lugs, no serial number between the lugs (the case-back carries the serial), and the H.S.10 CD case-back marking. Manufactured Q3 / Q4 1957, issued to Royal Marines SBS.

Only three examples with original dials are documented; most surviving A/6538 dials were reprinted "Burford" tritium in the early 1960s after the MoD radium withdrawal. The A/6538 is the earliest documented intersection of the big-crown Submariner and British military diving, predating the 5517 MilSub program by nearly fifteen years. With ~50 surviving examples — and only a handful with original dials — it sits among the rarest military Submariner configurations in existence.


== Historical market and auction record ==

{| class="wikitable sortable"
|-
! Sale !! Lot !! Year !! Serial / config !! Variant !! Hammer
|-
| Christie's New York || — || Dec 2017 || four-line, original || Wind Vintage featured example || USD 492,500
|-
| Christie's New York || Rare Watches and An Important Diamond || Jun 2018 || Explorer dial, red meters-first 200/660, no bezel, original-owner painter provenance || record-setting Explorer dial || USD 1,068,500
|-
| Phillips New York 080118 || 77 || 2018 || four-line, Aug 1957 chronometer cert, transitional bezel, full set || four-line OCC || USD 567,000
|-
| Sotheby's Online || 4 || 2019 || four-line tropical, red triangle || tropical four-line ||
|-
| Sotheby's Important Watches || 44 || 2020 || Long 5 bezel, Big Logo bracelet || two-line gilt ||
|-
| Bonhams London Fine Watches New Bond Street || 43 || Dec 2020 || gilt dial, gilt hands, c.1956 || two-line gilt || est. GBP 50,000–90,000
|-
| Bob's Watches (specialist sale) || — || Nov 2020 || 1957 two-line gilt || two-line gilt || USD 180,000
|-
| Antiquorum Geneva || 368 || May 2024 || former property of Guido Mondani || Big Crown two-line || est. ~USD 33,000–56,000
|-
| Sotheby's Important Watches / Olmsted Complications || 170 || Dec 2024 || black gilt with chapter ring, serial 449,004, fourth series late 1958 / 1959 || black gilt chapter ring || est. USD 100,000–200,000
|-
| Phillips New York || — || Dec 2025 || four-line, article-tied lot || four-line OCC ||
|}

The Christie's June 2018 USD 1,068,500 result for the Explorer-dial red-depth 6538 is the public record price ceiling and shows dial rarity plus original-owner provenance rather than any direct Bond link. The Phillips USD 567,000 four-line is the canonical four-line OCC benchmark. Tropical four-line examples in clean condition trade at the upper-middle of the market alongside Bond-era two-line gilts in original condition. The 6538 holds its market position across both dial configurations — condition, dial character, and presence of original components drive the spread far more than sub-variant rarity does.

== Sources ==

* [https://www.hodinkee.com/articles/rolex-submariner-reference-points Reference Points: Understanding The Rolex Submariner] — Stephen Pulvirent (Hodinkee, 2019)
* [https://www.hodinkee.com/articles/rolex-submariner-6538-christies-new-york-most-expensive-ever Rolex Submariner Sells For Over $1,000,000, Becoming The Most Expensive Sub Ever] — Stephen Pulvirent (Hodinkee, 2018)
* [https://monochrome-watches.com/historical-perspective-original-bond-rolex-submariner-reference-6538-big-crown/ Historical Perspective: The Original Bond Rolex Submariner Reference 6538 Big Crown] — Paul Altieri (Monochrome Watches, 2017)
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ History of the Rolex Submariner — Part 1, The Early References] — Tom Mulraney (Monochrome, 2020)
* [https://rolexpassionreport.com/2932/the-history-of-the-rolex-small-and-big-crown-james-bond-submariner/ The History of the Rolex Small and Big Crown James Bond Submariner] — Philipp Stahl (Rolex Passion Report, 2019)
* [https://www.windvintage.com/rolex-submariner-reference-6538-james-bond Rolex Submariner Reference 6538 James Bond] — Eric Wind (Wind Vintage)
* [https://www.41watch.com/en/journal/buyers-guides/rolex-submariner-6538-aka-submariner-james-bond Rolex Submariner 6538 — aka Submariner James Bond] (41Watch, 2021)
* [https://www.blackbird-watchmanual.com/manual/icons/the-rolex-reference-6538-submariner/ The Rolex Reference 6538 Submariner] (Blackbird Watch Manual, 2019)
* [https://revolutionwatch.com/the-milsub-before-the-milsub-part-2-rolex-milsub-a6538a-a-special-edition-for-the-special-boat-service/ The MilSub Before the MilSub: Part 2 — Rolex MilSub A/6538] — James Dowling (Revolution Watch, 2016)
* [https://rolexpassionreport.com/20008/unique-rolex-a6538-uk-military-big-crown-submariner/ Unique Rolex A/6538 UK Military Big Crown Submariner] — Philipp Stahl (Rolex Passion Report, 2016)
* [https://www.phillips.com/article/164272805/rolex-submariner-big-crown-four-liner-ref-6538-auction-phillips-new-york-dec-2025 Rolex Submariner Big Crown Four-Liner Ref. 6538 — Phillips New York Dec 2025] (Phillips, 2025)
* [https://www.phillips.com/article/144608770/rolex-submariner-explorer-dial-6200-big-crown-5512-vintage-auction In-Depth: A Review of Vintage Rolex Submariners with Explorer Dials] — Logan Baker (Phillips, 2019)
* [https://www.phillips.com/detail/rolex/NY080118/77 Rolex 6538 four-line — Phillips NY080118 lot 77] (Phillips, 2018)
* [https://www.sothebys.com/buy/25e5416b-f436-484a-834e-1ba10a9dfc69/lots/9a553d3f-0450-465f-b767-7f1946a7bfc0 Submariner Ref. 6538 four-line tropical — Sotheby's lot] (Sotheby's)
* [https://www.sothebys.com/buy/60db879c-cc93-4b34-8bee-830456483399/lots/a3eec5fd-6c49-4e16-86db-2d94ce2ba52c Reference 6538 Big Crown — Sotheby's lot 44] (Sotheby's, 2020)
* [https://www.sothebys.com/en/buy/auction/2025/important-watches-2/reference-6538-submariner-big-crown-james-bond-a Reference 6538 Submariner Big Crown — Sotheby's Important Watches lot 170] (Sotheby's, 2024)
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6538-submariner-big-crown-lot-368-549 Rolex Ref. 6538 Submariner Big Crown — Antiquorum lot 368] (Antiquorum, 2024)
* [https://www.jamesbondlifestyle.com/news/rolex-submariner-6538-and-5513-bonhams-fine-watches-auction Rolex Submariner 6538 and 5513 — Bonhams Fine Watches Auction] (Bond Lifestyle / Bonhams, 2020)
* [https://www.41watch.com/en/journal/buyers-guides/the-origins-of-the-rived-rolex-oyster-bracelets The Origins of Riveted Rolex Oyster Bracelets] (41Watch)
* [https://www.bobswatches.com/rolex-blog/editorial/vintage-rolex-submariner-6538.html Vintage Rolex Submariner 6538] (editorial)
* [https://professionalwatches.com/the-quintessential-rolex-james-bond-submariner-ref-6538/ The Quintessential Rolex James Bond Submariner Ref. 6538] (Professional Watches)
* [https://iconicalternatives.com/2019/06/08/the-james-bond-rolex-submariner-6538/ The James Bond Rolex Submariner 6538] (Iconic Alternatives, 2019)
* ''Oyster Perpetual Submariner: The Watch That Unlocked the Deep'' — Nicholas Foulkes (Wallpaper / ACC Art Books, 2024)
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Submariner]]

Reference:oyster-sotto-daytona

2026-06-29T01:23:08Z

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{{DISPLAYTITLE:Rolex oyster-sotto-daytona}}
{{#seo:
|title=Rolex oyster-sotto-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Oyster Sotto (RCO — Rolex Cosmograph Oyster) Paul Newman Daytona is the rarest standard-production Paul Newman dial. The 12 o'clock text stack reads ROLEX COSMOGRAPH OYSTER, with OYSTER printed below Cosmograph rather than above. Documented only on 6263 and 6265. The Oyster Sotto 6263 hammered at CHF 1,662,500 at Phillips Daytona Ultimatum 2018; an earlier Oyster Sotto sold at Christie's Lesson One, Geneva, in November 2013.
|keywords=Oyster Sotto, RCO, Rolex Cosmograph Oyster, Paul Newman 6263, Oyster Sotto 6263, RCO 6263, RCO 6265, Christie's Lesson One, Phillips Daytona Ultimatum 2018
|image=Ref 6263 rco-hero.webp
|image_alt=Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph
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|published_time=2026-04-19T15:01:32Z
|modified_time=2026-06-04T04:42:52Z
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[[Reference:daytona|Daytona]] -> [[Reference:paul-newman-daytona|Paul Newman Daytona]] → '''Oyster Sotto / RCO'''

= Oyster Sotto / RCO (Rolex Cosmograph Oyster) =

The Oyster Sotto, also known as the RCO (Rolex Cosmograph Oyster), is the rarest standard-production Paul Newman dial. The defining tell is the 12 o'clock text stack: "ROLEX COSMOGRAPH OYSTER" instead of the standard order, with OYSTER printed below Cosmograph. Documented examples sit only on the screw-pusher [[Reference:6263|6263]] and [[Reference:6265|6265]].

The two canonical sales are Christie's Lesson One in 2013, the first Paul Newman to clear seven figures, and Phillips Daytona Ultimatum in 2018, where an Oyster Sotto 6263 sold for CHF 1,662,500 including premium.

[[File:Ref 6263 rco-hero.webp|thumb|right|250px|alt=Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph|Paul Newman RCO Daytona 6263 — "ROLEX COSMOGRAPH OYSTER" text layout with OYSTER below Cosmograph]]

== What the Oyster Sotto is ==

The Oyster Sotto has three fast tells.

* The 12 o'clock text order is reversed.
* The rest of the dial is standard Paul Newman territory.
* Documented examples sit only on [[Reference:6263|6263]] and [[Reference:6265|6265]].

== Why the text layout exists ==

Rolex never explained the Oyster Sotto text layout. The standard collector reading is simple: Singer printed a small batch with the OYSTER line in the wrong place, Rolex let them through, and the dials ended up on a small number of 6263 and 6265 watches. The rarity fits that kind of one-batch mistake.

An alternative reading is that the Oyster Sotto represents an early production experiment in text layout that Rolex standardised away from. The scarcity is the same either way; the sub-branch occupies a narrow production window within the broader Paul Newman Mk2-Mk4 era.

== Mk1 Oyster Sotto — earliest sub-variant ==

There is also a rarer early subgroup. The so-called RCO Mk1 has tighter text spacing and proportions closer to early Paul Newman production. It carries another premium inside an already rare category.

The Mk1 RCO is the rarest standard-production Paul Newman configuration documented. Surviving examples at auction are the driver of the category's top-tier pricing; a standard Oyster Sotto Mk2 or Mk3 trades below the Mk1 RCO rate by a meaningful margin.

=== A documented Mk1 RCO example ===

A well-documented Mk1 RCO 6263 surfaced at Kaplan's in Sweden in 2014 from the original owner's family. It kept its Mk1 acrylic bezel, rare Mk0 screw-down pushers, and 7835 Swiss-made Oyster bracelet on 271 end links. The watch later passed through Wind Vintage, giving it one of the cleanest published provenance chains in the branch.

== Christie's Lesson One (Geneva, 10 November 2013) ==

Christie's "Lesson One: The Legendary Rolex Daytona" in Geneva on 10 November 2013 was the first thematic auction dedicated to the Daytona line. The sale established the Oyster Sotto as a canonical factory variant for auction-market purposes and marked the first Paul Newman to cross the seven-figure USD threshold at public auction.

The Oyster Sotto 6263 sold for about USD 1.089M including premium. That was the signal. The market was no longer pricing it as just another Paul Newman 6263, but as a scarcer tier inside the category.

== Phillips Daytona Ultimatum (Geneva, 12 May 2018) ==

Phillips Daytona Ultimatum, the 32-watch thematic sale curated by Pucci Papaleo with Aurel Bacs at the rostrum, catalogued an Oyster Sotto 6263 as Lot 14. The lot hammered at CHF 1,400,000 with buyer's premium bringing the all-in price to CHF 1,662,500 — about USD 1.66M at prevailing exchange.

The 2018 result confirmed the category's market position five years after Christie's Lesson One established the initial pricing tier. The Oyster Sotto 6263 sat in the seven-figure range across both sales, with the Phillips 2018 result landing between the Unicorn 6265 (CHF 5.94M) and the Neanderthal 6240 (CHF 3.01M) as the third-highest-priced lot of the sale.

{| class="wikitable"
|-
! Sale !! Date !! Watch !! Price (all-in)
|-
| Christie's Lesson One, Geneva || 10 November 2013 || Oyster Sotto 6263 || ~USD 1.089M
|-
| Phillips Daytona Ultimatum, Geneva || 12 May 2018 || Oyster Sotto 6263 (Lot 14) || CHF 1,662,500 (~USD 1.66M)
|}

== RCO on 6265 ==

Oyster Sotto dials are documented on [[Reference:6265|6265]] as well as 6263, but 6265 examples are rarer. In casual collector use, "Oyster Sotto" usually means the 6263 unless someone says otherwise.

== Relation to Paul Newman Mk progression ==

The Oyster Sotto sits inside the normal Paul Newman Mk progression rather than outside it. Most examples fall into the Mk2 and Mk3 years. The rarest subgroup is the early Mk1 Oyster Sotto with the tighter text layout.

== Distinguishing from the Albino and other rare dials ==

The Oyster Sotto is adjacent to but distinct from several other rare 6263/6265 dial categories:

- '''[[Reference:albino-daytona|Albino]]''' — white-on-white, not a Paul Newman.
- '''JPS''' — gold-case Paul Newman, defined by material and color.
- '''Lemon''' — yellow-lacquer gold-case dial.
- '''Big Red''' — standard red-DAYTONA 6263, not a Paul Newman.

The Oyster Sotto is the only one of these sub-categories defined purely by text-stack layout rather than by color or host material.

== Host references ==

Documented Oyster Sotto dials sit only on [[Reference:6263|6263]] and [[Reference:6265|6265]]. They do not appear on the earlier pump-pusher references, and they do not exist in the automatic Daytona era because Paul Newman dials stop before that generation.

== Where to go next ==

- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the parent exotic-dial category
- [[Reference:6263|Reference 6263]] — main host reference
- [[Reference:6265|Reference 6265]] — secondary host reference
- [[Reference:albino-daytona|Albino Daytona]] — parallel disputed variant
- [[Reference:daytona-glossary|Daytona glossary]] — quick definitions

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* Phillips Geneva, Daytona Ultimatum, Lot 14 catalogue essay, 12 May 2018
* Christie's Geneva, "Lesson One: The Legendary Rolex Daytona" sale, 10 November 2013
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona] — Benjamin Clymer, Hodinkee, 2013
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona] — Erik Slaven, Monochrome, 2024
* [https://www.windvintage.com/rolex-paul-newman-daytona-rco-6263 Rolex "Paul Newman" "RCO" Daytona reference 6263] — Wind Vintage listing with provenance for the 2.085M Mk1 RCO
* [https://www.hodinkee.com/articles/whats-selling-where-the-best-rolex-available-this-month-and-other-highlights-from-kaplans-of-sweden What's Selling Where: Kaplan's of Sweden] — Eric Wind, Hodinkee, 2014
* [https://www.hodinkee.com/articles/bring-a-loupe-vintage-watches-august-28-2020 Bring A Loupe: Vintage Watches] — Hodinkee, 28 August 2020
* [https://robbreport.com/style/watch-collector/rare-rolex-paul-newman-daytona-oyster-sotto-for-sale-at-wind-vintage-2945914/ Rare Rolex Paul Newman Daytona Oyster Sotto for sale at Wind Vintage] — Robb Report, 2020

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]

Reference:neanderthal-daytona

2026-06-29T01:23:05Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex neanderthal-daytona}}
{{#seo:
|title=Rolex neanderthal-daytona — Production, Dial Variants, Serial Ranges | BezelBase
|description=The Neanderthal Rolex Cosmograph Daytona 6240 — the Phillips Daytona Ultimatum 2018 lot presented as the earliest Paul Newman prototype, sold for CHF 3,012,500. Perezcope's 2022 forensic dossier disputes the prototype framing using contemporaneous evidence from the April 1998 Orologi & Market magazine, arguing the dial is a late-1990s construction on a 6238 donor. Both positions remain on record.
|keywords=Neanderthal Daytona, Neanderthal 6240, Rolex Neanderthal, Phillips Daytona Ultimatum, Perezcope Neanderthal, Paul Newman prototype, 6240 disputed, Orologi Market 1998
|image=Ref 6240 hero.webp
|image_alt=The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018
|type=Article
|og_type=article
|published_time=2026-04-19T15:01:32Z
|modified_time=2026-06-04T04:42:50Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:daytona|Daytona]] -> [[Reference:6240|6240]] → '''Neanderthal'''

= The Neanderthal (Daytona 6240) =

The Neanderthal is a Paul Newman-configuration [[Reference:6240|6240]] that Phillips sold in 2018 for CHF 3,012,500 including premium as the earliest known Paul Newman prototype. The nickname points to the dial's crude, proto-Paul-Newman look. Perezcope's 2022 dossier disputes the prototype story and argues for a later construction using a [[Reference:6238|6238]] donor dial. Both readings remain on the public record.

[[File:Ref 6240 hero.webp|thumb|right|250px|alt=The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018|The Neanderthal 6240 at Phillips Daytona Ultimatum, Geneva, 12 May 2018]]

== What the Neanderthal is ==

The Neanderthal, as it appeared at Phillips, had five identifying features that distinguished it from the documented Paul Newman Mk1-Mk4 progression:

The Neanderthal has five practical tells.

* Mk1.75 typeface sitting between the known Mk1 and Mk2 Paul Newman forms.
* A 6240 host case with screw-down pushers.
* Block markers without the outline seen on Mk2 dials.
* Sub-dial geometry that Perezcope reads as closer to 6238 than 6239 production.
* A pre-1970 case serial.

== The Phillips sale (12 May 2018) ==

Phillips sold the Neanderthal as Lot 32 at Daytona Ultimatum and framed it as the earliest known Paul Newman prototype: a dial from before the documented Mk1 run, with typography and proportions Rolex later abandoned.

{| class="wikitable"
|-
! Detail !! Value
|-
| Reference || 6240, stainless steel
|-
| Sale || Phillips Daytona Ultimatum, Geneva
|-
| Date || 12 May 2018
|-
| Lot number || 32
|-
| Price (all-in) || CHF 3,012,500
|-
| Position on Rolex auction list at sale date || 4th all-time
|-
| Framing || Earliest known Paul Newman prototype
|}

The sale placed the Neanderthal at the fourth position on the all-time Rolex auction list at the time, behind Newman's own 6239 (USD 17.52M at Phillips Winning Icons, 2017), the Unicorn 6265 (CHF 5.94M at the same Ultimatum sale), and the Bao Dai 6062 (USD 5.06M).

== The Perezcope dispute (November 2022) ==

Jose Pereztroika's November 2022 dossier — "Rolex Daytona 6240 Paul Newman Neanderthal: A myth goes extinct" — disputes the prototype framing. The dossier's central evidence falls into four categories:

=== ''Orologi & Market'' April 1998 ===

The April 1998 issue of ''Orologi & Market'' is the core of Perezcope's case. It appears to show the same dial in a construction context decades before Phillips presented it as a 1960s prototype. If that reading is right, the prototype story collapses.

=== Mk1.75 typeface analysis ===

Perezcope's typeface argument is simple: the printing does not look like a missing pre-Mk1 step, it looks like a later attempt to imagine one. Font weight, spacing, and stroke endings all read wrong against period Singer dials.

=== Sub-dial geometry from 6238 donor ===

Perezcope's geometry argument is that the dial reads more like a [[Reference:6238|6238]] donor than a true 6239-era Paul Newman dial. On that reading, the Neanderthal is a reworked 6238 dial, not a lost prototype.

=== Singer stamp comparison ===

The Singer dial-maker stamp on the Neanderthal's dial back, compared against authenticated Singer stamps across the Mk1–Mk4 progression, reads as mismatched to any production window. The stamp style does not fit the 1965–1969 6240 production range or any adjacent Singer production batch.

== Phillips's position and the Neanderthal's case ==

Phillips did not claim an archive-backed Rolex prototype. The house argued from the dial itself: if it did not fit Mk1 production, it might belong to a pre-Mk1 phase. That is the exact reading Perezcope rejects.

The case itself — the 6240 stainless-steel case with screw-down pushers, acrylic crystal, and acrylic bezel insert — is not disputed. The 6240 production years (1965–1969) are period-correct for a pre-Mk1 Paul Newman framing, and the case authentication passes through the standard 6240 verification checkpoints. The dispute is dial-specific, not case-specific or movement-specific.

== Why the dispute matters ==

The disagreement matters because the two readings imply completely different objects. If Phillips was right, the watch rewrites early Paul Newman chronology. If Perezcope was right, the market paid prototype money for a later construction.

Both positions stay on the record per BezelBase's never-pick-one-truth rule. The market's read on the Perezcope dossier will emerge at the next public sale of the Neanderthal, should it surface — the lot has not been re-catalogued publicly since the 2018 sale.

== Relation to other disputed Daytona variants ==

The Neanderthal sits in a cluster of high-value disputed-authenticity Daytona variants, each with Perezcope as the second voice raising forensic questions against an auction-house lot:

{| class="wikitable"
|-
! Variant !! Phillips framing !! Perezcope counter !! Status
|-
| [[Reference:albino-daytona|Albino 6263]] || Factory Rolex variant (Hodinkee 2013 consensus) || 1990s Tom Bolt construction (Perezcope 2025) || 3 examples sold; dispute unresolved
|-
| [[Reference:unicorn-daytona|Unicorn 6265]] || Only known white gold manual-wind Daytona with period-correct service replacements (Phillips 2018) || Frankenstein — components assembled post-2010 per 2010 Newoldschlock IG photos (Perezcope 2022) || Sold CHF 5.94M 2018; dispute unresolved
|-
| Neanderthal 6240 || Earliest Paul Newman prototype (Phillips 2018) || Late-1990s construction on 6238 donor per Orologi & Market April 1998 (Perezcope 2022) || Sold CHF 3.01M 2018; dispute unresolved
|}

The pattern is familiar. An auction house presents a watch with a rarity story, a forensic counter-dossier appears later, and no final authority closes the argument. The market then keeps trading the watch with that uncertainty attached.

== Host reference ==

The Neanderthal is documented as a single example on a single [[Reference:6240|6240]] case. No other 6240 Paul Newman examples are documented in the published literature — per Rolex's standard production record, Paul Newman dials on 6240 are extremely rare, and the Neanderthal is the sole cited example at auction.

== Where to go next ==

- [[Reference:6240|Reference 6240]] — host reference
- [[Reference:paul-newman-daytona|Paul Newman Daytona]] — the disputed dial family context
- [[Reference:albino-daytona|Albino Daytona]] — parallel disputed variant
- [[Reference:unicorn-daytona|Unicorn Daytona]] — parallel disputed variant
- [[Reference:daytona-glossary|Daytona glossary]] — quick definitions

== Source list ==

* [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made for Racing: Rolex and the Daytona] — Phillips, 2018
* Phillips Geneva, Daytona Ultimatum, Lot 32 catalogue essay, 12 May 2018
* [https://perezcope.com/2022/11/03/rolex-daytona-6240-paul-newman-neanderthal-a-myth-goes-extinct/ Rolex Daytona 6240 Paul Newman Neanderthal: A myth goes extinct] — Jose Pereztroika, Perezcope, November 2022
* ''Orologi & Market'', Italian collector magazine, April 1998, page 44
* [https://www.hodinkee.com/articles/the-first-rolex-daytona-by-benjamin-clymer Historical Perspectives: The Very First Rolex Daytona] — Benjamin Clymer, Hodinkee, 2013
* [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ In-Depth: The History of the Rolex Daytona] — Erik Slaven, Monochrome, 2024

[[Category:Daytona]]
[[Category:Daytona Manual-Wind]]
[[Category:Paul Newman]]
[[Category:Disputed variant]]

Reference:6536-1

2026-06-29T01:23:03Z

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{{DISPLAYTITLE:Rolex 6536/1 Submariner}}
{{#seo:
|title=Rolex 6536-1 — Production, Dials & Serial Ranges | BezelBase
|description=The 6536/1 is the caseback-confirmed sub-variant of the late-1950s small-crown, no-crown-guard Submariner. Production 1955-1959, caliber 1030 bidirectional automatic, three bezel evolutions within the run, OCC chronometer four-line dial subset.
|keywords=Rolex, 6536/1, Submariner, small crown, caliber 1030, OCC, no crown guards
|image=Ref_6536-1_hero.jpeg
|image_alt=Rolex 6536/1 small-crown Submariner
|type=Article
|og_type=article
|published_time=2026-04-14T16:13:40Z
|modified_time=2026-06-29T01:21:41Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> [[Reference:6536|6536]] -> '''6536/1'''

The 6536/1 is the caseback-identified sub-variant of the [[Reference:6536|6536]]: same late-1950s small-crown no-crown-guard case, same caliber 1030, same 100m depth rating. The /1 suffix is a caseback engraving update on an otherwise identical reference — case, dial-text variants, bezel insert, bracelet, movement, crown, and case dimensions all overlap with the parent 6536. A portion of the 6536/1 run was submitted for chronometer certification and carries a four-line dial with "Officially Certified Chronometer" added above the depth-rating line. The caseback engraving, stamped 6536/1 rather than 6536, is the standard identifier — everything else is shared with the parent reference.

[[File:Ref_6536-1_hero.jpeg|thumb|right|250px|alt=Rolex 6536/1 small-crown Submariner|Rolex 6536/1 small-crown Submariner]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6536/1
|-
| family
| Submariner (no date), small-crown no-crown-guard generation
|-
| production
| 1955 to 1959 (auction-house consensus). Hard caseback evidence "IV.55" and "4 55" on cases 112,341 and 112,256 anchors the late-1955 introduction
|-
| total examples
| no separate 6536/1 vs parent 6536 split is published. The parent 6536 reads at 5,350 pieces 1955-1959 from the 2024 Rolex archive data; the /1 share is unstated
|-
| case
| 37mm, small 6mm Brevet crown, no crown guards
|-
| crystal
| acrylic (domed)
|-
| movement
| caliber 1030 — 25 jewels, 18,800 vph, ~42-hour reserve. Rolex's first bidirectional automatic; butterfly rotor stamped ROLEX PERPETUAL PATENTED. Identical to parent 6536
|-
| depth rating
| 100m / 330ft
|-
| chronometer
| split — both COSC-certified four-line OCC dial examples and non-certified two-line dial examples exist on the same caliber 1030 base
|-
| date
| none
|-
| hands
| Mercedes-type, gilt finish; long-neck hour hand on earliest production
|-
| bezel
| three documented evolutions within 1957 alone: silver triangle no-hash → red triangle no-hash → red triangle 15-minute hash by 1959
|-
| bracelet
| 6636 expandable rivet or 7206 fixed-link rivet with end-link 65 or 80 — period-correct delivery
|}

==Where it sits in the line==

The 6536/1 is the small-crown branch of the last no-crown-guard Submariner generation. It runs concurrently with the parent 6536 inside the 1955-1959 production window, and feeds directly into the [[Reference:5508|5508]], which carried the small-crown case forward into the newer caliber 1530 from 1958. On the big-crown side, the contemporary [[Reference:6538|6538]] runs the same caliber 1030 in the 200m / 8mm-Brevet configuration. The crown-guard transition arrives with the 5512 in late 1959, ending the unguarded small-crown generation entirely.

The parent [[Reference:6536|6536]] article covers the wider context: the 6205 lineage that precedes this generation, the 6536/8 transitional sub-variant with crossed-out "6538" caseback engravings, the bezel and dial evolution timeline within 1957, and the full production-volume framing. Read this 6536/1 page for the sub-variant; read the parent 6536 page for the family context.

==The /1 suffix==

Rolex used numeric suffixes (/1, /2, etc.) to flag a caseback engraving update inside an existing reference — a tracked variant rather than a new reference number. The 6536 and the 6536/1 share the case, the production period, the caliber, the dial-text variants, the bezel inserts, the bracelet options, and the case dimensions. The caseback is the only standard distinction.

A caseback engraved "6536/1" in full belongs to the sub-variant; a caseback reading "6536" alone belongs to the parent. Both stampings exist on cases produced in the same period — the parent 6536 stamp continues to appear well into the 6536/1 era. The 6536/8 transitional variant (with crossed-out "6538" engraving and "6536" re-engraved over the strikethrough) is documented separately on the parent reference page; it is its own subvariant rather than a 6536/1 ancestor.

==Production outline==

The 6536/1 ran 1955 to 1959 across major-house lots. Hard caseback evidence anchors the late-1955 introduction: a Q4-1955 caseback ("4 55") on case 112,256 and an IV.55 caseback on case 112,341 are both 6536/1 stamps. Mid-run examples carry caseback codes I.57, II.56, II.57, and III.57 across cases 155,502 / 229,640 / 306,989 / 30x,xxx; late-run examples extend into 1959 with cases in the 39x,xxx range.

The parent 6536 and the 6536/1 ran concurrently rather than sequentially within the 1955-1959 window. Caseback engraving, not the calendar date, decides which variant a given example belongs to. The 2024 Rolex archive analysis gives the parent 6536 a total of 5,350 pieces 1955-1959 — 44% of the 12,144 total no-crown-guard Submariners across the five references (6200, 6204, 6205, 6536, 6538). No separate 6536/1 vs parent 6536 production split is published.

==Movement notes==

Caliber 1030 is confirmed across the 6536/1 corpus. Specifications: 25 jewels, 18,800 vph, ~42-hour reserve, 28.5 × 5.85mm, monometallic balance, blue Breguet overcoil. The 1030 is Rolex's first bidirectional automatic, introduced in 1950 — the butterfly-rotor architecture that succeeds the thicker uni-directional A-series Perpetuals (A260 / A290 / A295 / A296) of the early Submariners. The A-series itself is full-rotor, not bumper; Rolex never produced a bumper caliber. The butterfly rotor is stamped ROLEX PERPETUAL PATENTED.

Chronometer-certified (OCC) and non-certified versions both exist within the 6536/1 family on the same base caliber. The split is a certification distinction, not a mechanical one — some movements were sent for chronometer rating and some were not. The Sotheby's December 2018 lot 252 caseback is stamped 6536/1 with III.57 (third quarter 1957) on a chronometer-rated four-line dial example; non-chronometer 6536/1 examples surface across the same period with the standard two-line dial.

==Dial map==

The dial taxonomy on the 6536/1 mirrors the parent 6536. Three depth-text variants run across the production window — red ("100/330" without units, earliest 1955-56), gilt-gold ("100m/ft = 330" with units, 1956 onward, dominant), and silver (late-run examples). The dial finish shifted from a matte quality in early 1957 production to an increasingly glossy finish by 1959; lume colour shifted in parallel from whitish-beige to orange-mid-run to beige-late.

Four dial-text layouts surface:

* '''Two-line''' (standard): "SUBMARINER" + depth rating. The dominant configuration.
* '''Four-line OCC''': adds "OFFICIALLY CERTIFIED CHRONOMETER" on two extra lines, paired with the chronometer-rated movement. The Sotheby's 2018 case-22x,xxx OCC example is one anchor; rare relative to two-line.
* '''Four-line SCOC''': "SUPERLATIVE CHRONOMETER OFFICIALLY CERTIFIED" wording on later production — same wording change parallels the 5508 / 5512 transition. Both are four-line dials, the wording differs.
* '''Three-line''': transitional between two-line and four-line. Documented but rare.

An "invert" dial variant has been documented in collector forum sources, where the dial text reverses the standard layout. Surviving examples are extremely scarce; a rare sub-variant without major-house corroboration.

==Case, bezel, crystal, and crown==

The case is the slim small-crown 37mm Oyster of the late-1950s no-guard generation, with a 6mm Brevet crown — distinct from the contemporary [[Reference:6538|6538]]'s 8mm "big" Brevet crown. Acrylic crystal with the domed profile of the period.

The bezel evolution within 1957 alone is the cleanest single dating tool on a 6536/1. The earliest 1957 examples carry a silver triangle at twelve with no minute hash marks across the first fifteen minutes — the cleanest and earliest layout. Mid-1957 production keeps the no-hash format but switches to a red triangle at twelve. Late 1959 production carries the red triangle alongside individual minute hash marks across the first fifteen minutes — the closest ancestor to the bezel that defines the 5512.

The crown is the original single-coronet "Brevet" 6mm with double-lock. A three-dot crown on a 6536/1 is a service replacement. Quarterly inside-caseback stamps (Roman numeral quarter. two-digit year) date the case head — the format is consistent and reliable: IV.55, I.56, II.56, I.57, II.57, III.57 across documented examples.

==Bracelets, end links, clasps, and packaging notes==

Three documented original-delivery bracelet families. The 6636 expandable rivet Oyster with end-link 65 or 80 is the most common period-correct delivery. The 7206 fixed-link rivet Oyster with end-link 80 is documented on Q2 1956 examples. The Jubilee 62510 surfaces on at least one Q4 1955 example with a clasp stamped 1960 — period-fitted but unusual rather than standard original-delivery configuration.

End-link "65" is the small-crown standard across documented examples; end-link "80" appears on later 1959 examples and post-Submariner-line bracelets. Rivet bracelet survival is its own collecting category — an original undisturbed rivet bracelet on a 6536/1 adds materially to completeness, and dealers and owners replaced rivet bracelets across decades of service.

==Authentication==

The dominant authentication problem on this generation is cross-reference confusion. The 6536/1 vs 5508 distinction sits on case dimensions (the 6536/1 is wider, ~37.5mm vs the 5508's narrower head), dial colour tone (6536/1 reads more golden, 5508 more silver), and caliber (1030 vs 1530, with the bidirectional butterfly rotor distinguishing 1030). Bezel insert evolution is the cleanest single dating tell — a 1957 case with a 1959-style hashed insert is a swap, not a factory delivery.

The original crown is a single-coronet "Brevet" 6mm; a three-dot crown on a 6536/1 is a service replacement. Service-dial replacements surface frequently — matte-finish dials with crisp gilt printing read as service replacements vs original gloss. Over-polished cases erode the lug chamfers; unpolished examples with sharp bevels and crisp lug edges sit at the top of the collector market.

==Historical market and auction record==

{| class="wikitable sortable"
|-
! Sale !! Lot !! Year !! Serial !! Configuration !! Result
|-
| Sotheby's New York Important Watches || 252 || 2018 || 306,989 || III.57 caseback, no-hash red triangle bezel, glossy two-line dial, white small-circle seconds — world record for any small-crown Submariner || USD 225,000 against USD 20,000 low estimate
|-
| Sotheby's Geneva || 215 || 2018 || 229,640 || I.57 caseback, cal. 1030, Oyster bracelet stamped 7-70 made in USA || est. CHF 70,000–100,000
|-
| Sotheby's Important Watches || 35 || 2021 || 112,256 || "4 55" caseback (Q4 1955) — earliest documented 6536/1 caseback. Jubilee 62510 stamped 1960 || est. CHF 20,000–35,000
|-
| Phillips Geneva V || 102 || 2017 || 155,502 || II.56 caseback, on 7206 rivet bracelet || est. CHF 40,000–80,000
|-
| Phillips Geneva XVIII || — || 2021 || — || 1955 "Red Depth" || est. USD 54,000–109,000
|-
| Bonhams || 36 || 2021 || 112,341 || Red Depth, IV.55 caseback, brown leather strap, no-minute-marker bezel || est. GBP 60,000–80,000
|-
| Christie's Online HK || — || 2023 || 230,421 || gilt tropical, later/incorrect bezel insert, end-links stamped 75 (incorrect), aftermarket clasp || (sold with red-flag notes)
|-
| Antiquorum Monaco || — || 2025 || — || 1957–58 era || USD 14,622
|-
| Antiquorum Switzerland || — || 2025 || — || 1957–58 era || USD 17,074
|}

The Sotheby's 2018 NY result — 11× over low estimate — is the world record for any small-crown Submariner and reset the modern collector market for the reference. Small-crown Submariners had previously traded in the USD 100,000-150,000 band; the Sotheby's result shifted the ceiling. Standard chronometer-rated four-line examples in unpolished condition cluster at the upper-middle of the modern market; non-chronometer two-line examples sit slightly below. The Phillips XVIII 2021 Red Depth lot sets the high estimate for the dating-anchor variant.

==Sources==

* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-n09952/lot.252.html Submariner Ref. 6536/1 c.1957 — Sotheby's NY Important Watches lot 252] (Sotheby's, 2018)
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-ge1804/lot.215.html Submariner Ref. 6536/1 lot 215 — Sotheby's Geneva] (Sotheby's, 2018)
* [https://www.sothebys.com/en/buy/auction/2021/important-watches-2/reference-6536-1-submariner-a-stainless-steel-automatic Reference 6536/1 Submariner Q4 1955 — Sotheby's Important Watches lot 35] (Sotheby's, 2021)
* [https://www.phillips.com/detail/rolex/CH080117/102 Reference 6536/1 — Phillips Geneva V lot 102] (Phillips, 2017)
* [https://www.bonhams.com/auction/27664/lot/36/ Submariner Reference 6536/1 Red Depth IV.55 — Bonhams lot 36] (Bonhams, 2021)
* [https://onlineonly.christies.com.cn/s/important-watches-online/lots/3000 Christie's HK Online October 2023 6536/1] (Christie's, 2023)
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ History of the Rolex Submariner — Part 1, The Early References] (Monochrome, 2020)
* [https://rolexpassionreport.com/2932/the-history-of-the-rolex-small-and-big-crown-james-bond-submariner/ The History of the Rolex Small and Big Crown James Bond Submariner] (Rolex Passion Report)
* [https://le-monde-edmond.com/3-rolex-6536-1/ Three Rolex 6536/1 — comparative study] (Le Monde Edmond)
* [https://le-monde-edmond.com/world-record-rolex-6536-1-sothebys-2018/ World Record Rolex 6536/1 — Sotheby's 2018] (Le Monde Edmond)
* [https://le-monde-edmond.com/comparison-rolex-submariner-6536-1-vs-5508/ Rolex Submariner 6536/1 vs 5508] (Le Monde Edmond)
* [https://www.windvintage.com/rolex-small-crown-submariner-reference-65361-copy Rolex Small Crown Submariner Reference 6536-1 Unpolished] (Wind Vintage)
* [https://greyandpatina.com/product/1958-rolex-6536-1-small-crown-submariner/ 1958 Rolex 6536-1 Small Crown Submariner] (Grey and Patina)
* [https://chrono-shop.net/en/watch-movements/142-rolex-caliber-1030.html Rolex Caliber 1030 technical reference] (Chrono-Shop)
* [https://goldammer.me/blogs/articles/rolex-finally-releases-insights-quantifying-the-early-rolex-submariner Quantifying the Early Rolex Submariner] (Goldammer, September 2024)
* [https://rolexhaven.com/65368-double-ref.--54.html 6536/8 Double Ref] / [https://rolexhaven.com/6536-1-red-depth--55.html 6536-1 Red Depth] / [https://rolexhaven.com/6536-1-gold-depth--56.html 6536-1 Gold Depth] / [https://rolexhaven.com/6536-1-occ--57.html 6536-1 OCC 1957] (RolexHaven)
* ''Oyster Perpetual Submariner: The Watch That Unlocked the Deep'' — Nicholas Foulkes (Wallpaper / ACC Art Books, 2024)
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Submariner]]

Reference:milsub

2026-06-29T01:23:02Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Reference:MilSub}}
{{#seo:
|title=Rolex MilSub — Military Submariner 5513 & 5517 Guide | BezelBase
|description=The MilSub is the British military Submariner: 5513 and 5517 cases configured to MoD spec c.1971-1979 with fixed bars, full 60-minute bezel, sword hands, T SWISS T dial, and broad-arrow caseback engraving. Three batches, two reference numbers, ~250 Batch-3 5517s with ~50 known.
|keywords=Rolex, MilSub, military Submariner, 5513, 5517, Royal Navy, SAS, SBS, broad arrow, sword hands, fixed bars, 0552, W10
|image=Milsub 5517 batch3-hero.webp
|image_alt=Rolex 5517 Military Submariner — Batch 3, case 5,339,705
|type=Article
|og_type=article
|published_time=2026-04-30T03:27:39Z
|modified_time=2026-06-04T04:42:48Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> '''MilSub'''

The MilSub is the British military Submariner: a Rolex Submariner 5513 or 5517 case configured to Ministry of Defence specification and issued, in batches between roughly 1971 and 1979, to Royal Navy divers (the 0552 / 923-7697 line) and to British Army units including the SAS and Army Air Corps (the W10 line). It is not a separate reference family. It is a configuration: fixed bars soldered into the lugs, a fully graduated 60-minute bezel, sword hands, a T SWISS T tritium dial, and the broad-arrow caseback engraving that identifies British Crown property.

The program splits cleanly across three batches and two reference numbers. Batch 1 carries 5513 between the 12-o'clock lugs, runs in the early 3.9M serial cluster, and ships from c.1971-1974. Batch 2 keeps the 5513 lug engraving but adds a 5517 stamp under one lug — the so-called 5513/5517 double-reference watches — and clusters in the 3.926M band with issue years dominated by 1977 and 1979. Batch 3 carries 5517 between the 12-o'clock lugs with no 5513 anywhere on the case, sits in the 5.339M cluster, and is the late, full-spec form of the program; Phillips estimates ~250 of these were produced and ~50 are recorded.

This page covers the MilSub branch as a whole. The per-reference articles [[Reference:5513|Reference:5513]] and [[Reference:5517|Reference:5517]] carry the standard production detail; this page does not duplicate them.

[[File:Milsub 5517 batch3-hero.webp|thumb|right|250px|alt=Rolex 5517 Military Submariner — Batch 3, case 5,339,705|Rolex 5517 "Full Spec" Military Submariner, Batch 3 (case 5,339,705, issue 853/78), maxi Mk I dial, encircled T, full 60-minute bezel, fixed-bar lugs. Sotheby's Important Watches Part I, Geneva, November 2023, lot 3.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| references
| Submariner 5513 and 5517
|-
| program window
| c.1971-1979
|-
| issued to
| Royal Navy (0552 line) and British Army incl. SAS / Army Air Corps (W10 line); never retailed
|-
| batches
| three: Batch 1 (5513 only), Batch 2 (5513/5517 double-reference), Batch 3 (5517 only)
|-
| total program
| the 5517-only Batch 3 estimated at ~250 produced / ~50 known per Phillips
|-
| dial
| T SWISS T (tritium); most examples carry no depth rating
|-
| hands
| sword (also called "gladiator" or "plongeur"); a small number of Batch 1 5513s shipped with Mercedes hands
|-
| bezel
| fully graduated 60-minute insert (not the retail 0-15 hashed insert)
|-
| case
| fixed spring bars friction-welded into the lugs
|-
| caseback
| dual-engraving: Rolex case markings inside, military markings outside (broad arrow + NATO stock + issue/year)
|-
| movement
| caliber 1520 across all three batches per documented major-house lots
|}

==Where it sits in the line==

The MilSub is one of two non-retail branches of the 5513 era, alongside the 5514 issued to French commercial diving company COMEX. The two sit in different worlds. COMEX 5514s were civilian-professional watches with a helium-escape valve, issued to a saturation-diving operator. MilSubs were military, issued by the British MoD, with a structural spec the retail line never carried: fixed bars, the full 60-minute bezel, sword hands.

The earliest documented British military issue of an Oyster diver is not the MilSub but the A/6538 SBS programme of 1957, roughly fifty examples of the Big Crown 6538 supplied to the Special Boat Service. The MilSub program proper begins around fifteen years later with the first batch of 5513-only military examples. By the time the dedicated 5517 batch arrives in 1978, the configuration has been formalised: full 60-minute bezel, sword hands, fixed bars, T SWISS T dial, dual caseback engraving.

The 5513 itself was widely fielded by other forces during this era — South African Army, Chilean Navy ("Propriedad Armada de Chile"), and a documented New Zealand Fisheries Research Division order of fourteen examples among them — but those were standard commercial 5513s procured through military channels, not MilSub-spec watches. They sit on the 5513 page rather than here.

==Batch breakdown==

The cleanest taxonomy on the program is the three-batch split documented across major-house lots and traced through Phillips, Sotheby's, Antiquorum, and Bonhams catalogues. The defining cue is what is engraved between the 12-o'clock lugs.

===Batch 1: 5513 between the lugs (c.1971-1974)===

Batch 1 carries 5513 case markings between the 12-o'clock lugs — visually identical to a retail 5513 from outside the caseback. Production sits in the early 3.9M serial cluster. These earliest MilSubs are 5513 cases built to MoD spec rather than a separate reference family, and the engraving placement reflects the 5513 origin of the case.

Batch 1 is the only batch where the configuration is not yet uniform. The Phillips and drsd.com record agrees that sword hands and the full 60-minute bezel were the factory spec from program inception, but a small number of Batch 1 5513s shipped with Mercedes hands and 0-15 hashed inserts. drsd.com's framing is that some Batch 1 5513 MilSubs delivered with either sword or Mercedes hands, while the 5517-only batch came only with sword hands and full 60-minute bezel. Most Mercedes-handed MilSubs surfacing today are service replacements, where MoD watchmakers swapped the oxidising sword set after long deployments.

===Batch 2: 5513/5517 double-reference (c.1972-1976)===

Batch 2 keeps 5513 between the 12-o'clock lugs and adds a 5517 stamp under one lug, conventionally the 7-o'clock lug. The dual marking captures the program's transition from repurposed 5513 cases to dedicated 5517 production. Documented examples cluster in the 3.926M serial band:

{| class="wikitable"
|-
! Auction
! Date
! Case
! Year
! Issue
! Caseback line
! Hammer
|-
| Phillips New York "Game Changers" lot 28
| 2019
| 3,926,768
| c.1972
| 688/77
| 0552 (Royal Navy)
| USD 218,750
|-
| Phillips Hong Kong lot 807
| 2017
| 3,926,923
| c.1974
| 941/79
| W10 (Army)
| HK$ 1,625,000
|-
| Antiquorum Monaco lot 77
| 2022
| 3,926,842
| c.1975
| 960/79
| W10
| EUR 260,000
|-
| Sotheby's Geneva lot 64
| 2023
| 3,926,898
| c.1973
| —
| —
| —
|-
| Bonhams 2018 lot 90
| 2018
| 392xxxx
| c.1972
| engravings removed
| inner caseback I.72
| GBP 72,500 incl. premium
|-
| Bonhams Knightsbridge
| 2022
| —
| c.1975
| 691/77
| RN diver provenance
| GBP 195,600 incl. premium
|}

Issue years 77 and 79 dominate the cluster. The case-number band is unusually tight for a ~five-year production window; the cleanest reading is that MoD procurement was batched against a small contemporaneous slice of 5513 cases rather than spread evenly through the run.

===Batch 3: 5517 only (c.1978)===

Batch 3 carries 5517 between the 12-o'clock lugs with no 5513 anywhere on the case — the full-spec form of the reference. Production sits in the 5.339M cluster, and every documented Batch 3 issue year is 78. Phillips's MilSub-discovery article gives the only batch-specific population figure: ~250 produced, ~50 recorded.

{| class="wikitable"
|-
! Auction
! Date
! Case
! Year
! Issue
! Caseback line
! Hammer
|-
| Phillips Geneva XIV lot 152
| 2021
| 5,339,827
| c.1978
| 842/78
| 0552 RN
| CHF 504,000
|-
| Sotheby's Important Watches I lot 3
| 2023
| 5,339,705
| c.1978
| 853/78
| 0552 RN
| est. CHF 120,000-180,000
|-
| Phillips MilSub-discovery (reunited pair)
| n/a
| 5,339,667
| c.1978
| 835/78
| 0552 RN
| n/a (article)
|-
| Sotheby's New York lot 238
| 2018
| —
| c.1978
| —
| MOD engravings
| est. CHF 150,000-300,000
|}

Phillips's reunited-pair article documents an authentication subtlety specific to the program: 5212xxx-band examples (issue 736-785) do not carry the serial inside the caseback, while 5339xxx-band examples do. The article also confirms that MoD watchmakers swapped casebacks during reissue cycles, which means a "non-matching" 5517 may still be entirely period-correct under the SAS / SBS reissue pattern. A matching caseback is not automatically more authentic than a non-matching one if the chain of custody documents the reissue.

==Configuration features==

[[File:Milsub 5517 sword-hands-detail.webp|thumb|right|220px|alt=Sword hands and Maxi Mk I dial close-up|Sword hands, Maxi Mk I dial with encircled T, and full 60-minute calibrated bezel — the three diagnostic features collectors look for.]]
[[File:Milsub 5517 bezel-60-minute-detail.webp|thumb|right|220px|alt=Full 60-minute calibrated bezel insert|Full 60-minute calibrated insert — every minute graduated, the MoD requirement that distinguishes a MilSub bezel from a civilian 5513.]]
[[File:Milsub 5517 dial-T-circle-detail.webp|thumb|right|220px|alt=Encircled T below 6 o'clock|Encircled T below 6 o'clock indicating MoD-spec low-radiation tritium — distinct from civilian "T<25" dials of the period.]]
[[File:Milsub 5513-5517 fixed-bars-profile.webp|thumb|right|220px|alt=Fixed-bar lug profile|Fixed-bar lugs: spring-bars welded into the case to keep the strap from working free during operations. Sotheby's Important Watches, December 2023, lot 64.]]

The MilSub is defined by a small set of mandated features, each of which appears on no retail Submariner of the period. Every documented Batch 3 5517 carries all of them; Batch 1 5513s drift on a subset.

===Fixed bars===

Friction-welded permanent spring bars, soldered into the lugs rather than fitted as removable spring bars. The strap cannot detach underwater if a bar fails. Universal across all three batches and a non-negotiable MoD spec from program inception. The bars are sized for NATO-style fabric pass-through; a MilSub will not take a standard Oyster bracelet without removing the fixed bars and refitting standard spring-bar lugs.

===60-minute bezel===

Minute gradations all the way around the bezel rather than only at the 0-15 dive interval. Minute-by-minute elapsed-time tracking for decompression. A Ministry of Defence requirement; the retail Submariner of the period uses the standard 0-15 hashed insert. The earliest 5513 MilSubs surface with both full-60 and 0-15 inserts; the 5517-only Batch 3 is uniformly full-60.

===Sword hands===

Wider and more sword-shaped than the standard Mercedes hand, also called "gladiator" or "plongeur" hands. Sword hands were factory spec across the whole MilSub program per the documented major-house catalogue language and the Phillips MilSub-discovery article. drsd.com qualifies the Batch 1 case: a small number of early 5513 MilSubs shipped with Mercedes hands. Mercedes-handed MilSubs in collector hands today are mostly service replacements where the oxidising sword set was swapped during reissue.

===T SWISS T dial===

Matte black, T SWISS T at the bottom of the dial in the dual-T format that flanks SWISS. Both T markers are required under UK regulations for tritium-lumed watches. The dial carries SUBMARINER and Rolex Oyster Perpetual above centre on most examples; most MilSub dials carry no depth rating in metric or imperial — the Ministry of Defence did not call for one. Late-program 5517 dials carry the same Maxi I (1976-1977) and Maxi II generations documented across the contemporary 5513.

===Caseback engraving===

The dual-engraving pattern splits maker and customer. Rolex reference and case-number markings sit on the inner caseback. Military identification — broad arrow, NATO stock numbers, service numbers — sits on the outer caseback. Royal Navy and SBS issue uses the 0552 prefix: ''0552 / 923-7697 / [issue]/[year]'' plus the broad arrow. Army, SAS, and W10 issue uses the W10 prefix: ''W10 / 6645 / 99 / 923-7697 / [issue]/[year]'' plus the broad arrow. The T-circle is a dial marking, not a caseback engraving — articles that describe it as caseback-side conflate two separate authentication tells.

Documented issue numbers in major-house lots include 688/77, 691/77, 835/78, 842/78, 853/78, 941/79, 960/79, and 395/75. The broad arrow is the British government property mark; any broad-arrow watch in the civilian market either left service through official decommissioning or carries an unclear chain of custody. The mark is never a civilian or retail marking.

==Movement==
[[File:Milsub 5517 caseback-movement.webp|thumb|right|220px|alt=Caseback removed showing inside-case stamping and caliber 1520|Caseback removed showing the inside-case stamping (5,339,705) and caliber 1520 movement.]]

The MilSub runs caliber 1520 across all three batches. Every Phillips, Sotheby's, Antiquorum, and Bonhams lot description for a documented MilSub reads cal. 1520 at 26 jewels. The forum-level claim that some 5517 examples carry caliber 1570 is not supported by any major-house lot in documented examples, and it likely shows contamination from standard 5512 / 5513 cases that can house either caliber. The MilSub's distinction over the standard 5513 is structural — fixed bars, 60-minute bezel, sword hands, military caseback engravings — not mechanical.

==Bracelet, strap, and packaging==

Issued watches were delivered on NATO-style fabric straps rather than metal bracelets, in keeping with the fixed-bar design. The bars do not take a standard Oyster bracelet, and the NATO pass-through is deliberate: the strap continues beneath the watch even if one bar fails, so the watch stays on the wrist. Packaging followed procurement logistics rather than retail presentation — military stores packaging, not standard Rolex retail boxes.

==Authentication and faking patterns==

The MilSub is one of the most faked Rolex references in the market. Three things combine to make it a fraud target: extreme value (consistently above USD 200,000 at auction for documented examples), a comparatively simple base watch (a modified 5513), and the difficulty of verifying military provenance against MoD records. The conversion path is short. A standard 5513 takes fixed bars, a 60-minute bezel, military caseback engravings, and sword hands. Each step is within reach of a skilled watchmaker, and the finished result can read visually convincing to anyone who has not handled a genuine example.

A handful of documented patterns carry most of the authentication weight.

The first is the inside-caseback rule from Phillips's MilSub-discovery article: 5212xxx examples (issue 736-785) do not carry the serial inside the caseback, while 5339xxx examples do. A 5339xxx case with no inside-caseback serial is wrong; a 5212xxx case with one is also wrong. The second is the caseback-swap caveat. SAS and SBS operatives returned issued watches to stockroom after missions, and casebacks were swapped during reissue cycles. A non-matching caseback may be entirely period-correct under documented MoD practice; a matching caseback is not automatically more authentic if the chain of custody establishes reissue.

The third pattern is the dealer-folklore terminology to discount. The "5513-T-MOD" and "5517-T-MOD" labels are collector slang for service-stripped MilSubs (issue marks rubbed off, parts service-swapped, or never engraved). No registry-quality source treats T-MOD as a distinct taxonomic class. The cleaner taxonomy is the three batches above plus the standard 5513 / 5514 COMEX as adjacent military-adjacent references.

Specialist documentation also notes a roughly EUR 20,000 value penalty for service-replaced bezels even when the replacement is period-correct. Sword-hand replacement, dial relume, and "added T" — where a non-T dial has the T markers added — are the documented fakery vectors on otherwise genuine cases. The most rigorous authentication chains documented provenance to a specific Royal Navy unit or service number, physical inspection by a specialist who can read fixed-bar construction and engraving depth, and cross-reference against known examples; the genuine population is small enough that most cases are tracked.

==Auction record==
[[File:Milsub 5513-5517 dial-detail.webp|thumb|right|220px|alt=Double-reference 5513/5517 with maxi Mk I dial and pumpkin patina|A 5513/5517 double-reference example (case 3,926,898, c.1973) showing maxi Mk I dial with pumpkin patina. Sotheby's Important Watches, December 2023, lot 64.]]

Documented MilSub results sort cleanly by batch. Batch 3 full-spec 5517s set the top of the market. Batch 2 5513/5517 double-reference watches cluster in a wide band depending on configuration and provenance. Service-stripped or removed-engraving examples trade lower.

{| class="wikitable"
|-
! Auction
! Lot
! Year
! Case
! Configuration
! Hammer
|-
| Phillips Geneva XIV
| 152
| 2021
| 5,339,827
| Batch 3 5517, c.1978, 0552 RN issue 842/78
| CHF 504,000
|-
| Sotheby's Important Watches I
| 3
| 2023
| 5,339,705
| Batch 3 5517, c.1978, 0552 RN issue 853/78, Maxi I
| est. CHF 120,000-180,000
|-
| Antiquorum Monaco
| 77
| 2022
| 3,926,842
| Batch 2 5513/5517, c.1975, W10 issue 960/79
| EUR 260,000
|-
| Phillips New York "Game Changers"
| 28
| 2019
| 3,926,768
| Batch 2 5513/5517, c.1972, 0552 RN issue 688/77
| USD 218,750
|-
| Bonhams Knightsbridge
| —
| 2022
| —
| Batch 2 5513/5517, c.1975, original RN diver provenance, caseback 691/77
| GBP 195,600 incl. premium
|-
| Phillips Hong Kong
| 807
| 2017
| 3,926,923
| Batch 2 5513/5517, c.1974, W10 Army issue 941/79
| HK$ 1,625,000
|-
| Fellows Birmingham
| 129
| 2020
| —
| 5517 with MOD engravings
| GBP 174,800 incl. premium (Fellows house record)
|-
| Sotheby's New York
| 238
| 2018
| —
| 5517 c.1978, MOD engravings, Rolex presentation case
| est. CHF 150,000-300,000
|-
| Bonhams London Fine Watches
| 90
| 2018
| 392xxxx
| Batch 2 5513/5517, c.1972, military engravings removed, inner caseback I.72
| GBP 72,500 incl. premium
|-
| Sotheby's
| —
| 2020
| —
| 5513 South African Army-associated, c.1970
| (5513 commercial; not a MilSub)
|}

The Phillips Geneva XIV 2021 result is the public auction record for the 5517 at CHF 504,000. The watch is a Batch 3 example in the 5,339,xxx cluster with a Henry Hudson letter from Rolex UK confirming issue to Her Majesty's Dockyard, Portsmouth in 1978. The result nearly tripled the high estimate of CHF 200,000, and that gap — between a specialist house's pre-sale read and what the room delivered — is itself the cleanest signal of how scarce a documented full-spec MilSub has become.

Batch 1 5513-only MilSubs trade lower than the headline numbers because of the more frequent service-component drift on early examples and the difficulty of separating an honest Batch 1 from a converted retail 5513. The cleanest Batch 1 lots still pull six figures when the chain of custody and the configuration both hold up; the spread is wider than it is on Batch 3.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://monochrome-watches.com/rolex-submariner-history-part-2-the-55xx-1680references/ Tom Mulraney, "History of the Rolex Submariner - Part 2, The 55XX References and 1680 Date", Monochrome, 2020-08-19]
* [https://www.hodinkee.com/articles/inside-mike-woods-for-exhibition-only-a-private-rolex-collection-on-limited-display Tim Vaux, "Inside Mike Wood's 'For Exhibition Only': A Private Rolex Collection On Limited Display", Hodinkee, 2025-10-20]
* [https://www.phillips.com/article/151026516/a-cool-new-discovery-on-a-vintage-rolex-milsub "An Unexpected Discovery on a Vintage Rolex Submariner MilSub", Phillips, 2021]
* [https://www.phillips.com/detail/rolex/CH080221/152 "Rolex Submariner MilSub Ref. 5517 — Phillips Geneva Watch Auction XIV lot 152", Phillips, 2021-05]
* [https://www.phillips.com/detail/rolex/NY080119/28 "Rolex Military Submariner Double Reference 5513/5517 — Phillips New York Game Changers lot 28", Phillips, 2019-12]
* [https://www.phillips.com/detail/rolex/HK080316/807 "Rolex Military Submariner Ref. 5513/5517 — Phillips Hong Kong lot 807", Phillips, 2017-05]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-5513-5517-under-the-lug-submariner-so-called-milsub-lot-353-77 "Rolex Ref. 5513/5517 Military Submariner — Antiquorum Monaco 2022 lot 77", Antiquorum, 2022]
* [https://www.bonhams.com/auction/27662/lot/44/ "Rolex Royal Navy Military Submariner Ref. 5513/5517 — Bonhams Knightsbridge 2022", Bonhams, 2022]
* [https://www.bonhams.com/auction/24632/lot/90/ "Rolex Submariner Ref. 5513/5517 Military — Bonhams 2018 lot 90", Bonhams, 2018]
* [https://www.sothebys.com/en/buy/auction/2023/important-watches-part-i-2/military-submariner-reference-5517-a-stainless?locale=en "Full Spec Military Submariner, Reference 5517, Circa 1978", Sotheby's, 2023-11-05]
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-ge1804/lot.238.html?locale=en "MilSub Submariner, Ref 5517, Stainless Steel Military Wristwatch Made for the British Armed Forces, Circa 1978", Sotheby's, 2018-11]
* [https://www.sothebys.com/buy/0bfeaa8a-22d0-4e8d-9200-0d1a611ef7ea/lots/ec00c334-b62d-4907-8bb3-568a5101a36b "Rolex Submariner "South African Army", Ref 5513, Military Stainless Steel Wristwatch With Bracelet, Circa 1970", Sotheby's, 2020-10-28]
* [https://www.fellows.co.uk/blog/watches/2020/08/24/rolex-milsub-sells-for-over-165000-smashing-fellows-house-record/ "Rolex MilSub Sells for Over £174,000 Smashing Fellows House Record", Fellows, 2020-08]
* [https://www.windvintage.com/rolex-milsub-submariner-reference-5513 Eric Wind, "Rolex MilSub Submariner Reference 5513", Wind Vintage]
* [https://danielbourn.com/the-rolex-milsub/ Daniel Bourn, "The Rolex Milsub — Rolex 5517 The Rolex Military Submariner", Daniel Bourn]
* [https://italianwatchspotter.com/rolex-milsub-military-submariner/?lang=en "The Rolex Milsub: the MIL-itary SUB-mariner", Italian Watch Spotter]
* [https://www.drsd.com/watch-info/mil-sub/the-military-submariner.html "The Rolex Military Submariner 5513 (drsd.com)", drsd.com]
* [https://hairspring.com/blogs/finds/5513-7-double-reference-rolex-royal-navy-milsub "5513/7 Double Reference Rolex Royal Navy MilSub", Hairspring]
* [https://watchesofdistinction.com/product/rolex-military-submariner-ref-5513-1974/ "Rolex Military Submariner Ref 5513 (1974)", Watches of Distinction]

[[Category:Submariner]]

Reference:6536

2026-06-29T01:23:00Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex 6536 Submariner}}
{{#seo:
|title=Rolex Submariner 6536 — Early Gilt No-Crown-Guard, 1955–1958 | BezelBase
|description=The 6536 and 6536/1 are the last small-crown 100m no-crown-guard Submariners. 1955 to 1959, ~5,350 produced. Caliber 1030 bidirectional automatic. Sotheby's 2018 USD 225,000 record for III.57 case 306,989.
|keywords=Rolex, 6536, 6536/1, Submariner, small crown, caliber 1030, butterfly rotor, no crown guards
|image=Ref 6536 hero.webp
|image_alt=Rolex Submariner Ref. 6536
|type=Article
|og_type=article
|published_time=2026-04-14T16:13:34Z
|modified_time=2026-06-29T01:21:38Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:submariner|Submariner]] -> '''6536'''

The 6536 and 6536/1 are the last small-crown 100m no-crown-guard Submariners. The pair shares the same case generation, the same production era (1955 to 1959 across major-house lots), and the same caliber 1030 — Rolex's first bidirectional automatic. The /1 is a caseback-engraving update on an otherwise identical reference; the caseback engraving is the only standard way to tell the two apart. A 2024 reading of the Foulkes Submariner book ''Oyster Perpetual Submariner: The Watch That Unlocked the Deep'' (citing data from Rolex's archive) gives the parent 6536 a total of 5,350 pieces — the 100-unit figure that surfaces in dealer copy is wrong for the parent reference and likely refers to the OCC four-line subvariant only. The pair closes the unguarded small-crown Submariner before the 5512 introduced crown guards in late 1959.



[[File:Ref 6536 hero.webp|thumb|right|250px|alt=Rolex Submariner Ref. 6536|Rolex Submariner Ref. 6536]]

== Core facts ==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6536 and 6536/1 (and 6536/8 transitional with crossed-out 6538 caseback)
|-
| family
| Submariner (no date)
|-
| production
| 1955 to 1959 (auction-house consensus: Phillips, Sotheby's, Bonhams; hard caseback evidence "IV.55" and "4 55" on cases 112,256 and 112,341); Bob's Watches reads launch in 1956 — capture as minority view
|-
| total produced (parent 6536)
| 5,350 pieces 1955–1959. The five no-crown-guard Submariner references (6200, 6204, 6205, 6536, 6538) total 12,144 pieces — the 6536 is roughly 44% of all pre-crown-guard Submariners
|-
| case
| 37mm small crown, no crown guards (37.5mm on the 6536/8 transitional)
|-
| crown
| 6mm Brevet — distinct from the 8mm big-crown 6538 / 5510 and the later 7mm guarded 5512 / 5513
|-
| crown guards
| none
|-
| movement
| caliber 1030, 25 jewels, 18,800 vph, ~42-hour reserve. Rolex's first bidirectional automatic (1950); butterfly rotor stamped ROLEX PERPETUAL PATENTED. Bonhams Lot 116 catalogs one example as 26-jewel, almost certainly a typo
|-
| depth rating
| 100m / 330ft — the last Submariner with 100m rating
|-
| crystal
| acrylic (domed)
|-
| hands
| Mercedes-type, gilt finish; the 6536/8 transitional and earliest 6536/1 examples carry a "long neck" hour hand
|-
| lume
| radium
|-
| bezel
| bidirectional 60-minute, black anodised aluminium; three documented evolutions across 1957–59 (silver triangle no-hash → red triangle no-hash → red triangle 15-minute hash)
|}


== Where it sits in the line ==

The 6536 family sits on the small-crown side of the last no-crown-guard generation. The 6205 came first in the mid-1950s. The 6536 and 6536/1 followed from 1955 to 1959 as the refined small-crown no-guard watches on caliber 1030. The 5508 took over in 1958 on the newer caliber 1530, ran alongside the 6536 / 6536-1 for several years, and the 5512 closed the chapter in late 1959 with crown guards.

On the big-crown side, the 6538 is the "Bond Sub" (Sean Connery wore one in ''Dr. No'' in 1962), rated to 200m and also without crown guards, also on caliber 1030. The 5510 took the big-crown role in 1958–1959 as the first big-crown on caliber 1530. The small-crown and big-crown lines both converge on the 5512 in late 1959.


== The /1 suffix system ==

Rolex used numeric suffixes (/1, /2 and so on) to flag a caseback-engraving update inside an existing reference — a tracked variant, not a new reference number. The 6536 and 6536/1 share the case, the production period, the caliber, and the dial / bezel / bracelet specifications. The caseback is the only standard distinction.

A caseback engraved "6536/1" in full belongs to the sub-variant; a caseback reading "6536" alone belongs to the parent. Casebacks engraved "6536" without the "/1" exist in the same period as cased-up "6536/1" backs (Bonhams Lot 116 carries case 306,706 with a March 1957 6536-only caseback). The 6536/8 transitional, where "6538" appears crossed out and "6536" is re-engraved (RolexHaven catalogs this as the 6536/8 double-reference), is its own subvariant — a working hypothesis is that early 6536 production used 6538 cases that were re-stamped at the factory.

Dial wording is not a 6536-vs-6536/1 discriminator: both occur with two-line, two-line gilt depth, three-line, and four-line OCC dials. Bezel insert, bracelet, movement, crown, and case dimensions all overlap. The clean editorial line is that the /1 marks a caseback update, with no exterior or movement difference.


== Production outline ==

Production ran 1955 to 1959. The hardest evidence for late-1955 production is on the 6536/1 sub-variant: Sotheby's 2021 Lot 35 carries case 112,256 with a "4 55" caseback (Q4 1955), and Bonhams's December 2021 Lot 36 (Red Depth, case 112,341) carries a "IV.55" caseback. For the parent 6536, Bonhams Lot 116 (case 306,706, March 1957) and Sotheby's Lot 121 (case 399,228, circa 1959) show 6536-stamped casebacks running well into the 6536/1 era. The end-1958 reading sometimes cited in dealer copy is contradicted by the Sotheby's tropical 6536 cataloged "circa 1959" — 1959 is multiply attested across Sotheby's, A specialist three-watch study (case 399,xxx), and the Sotheby's tropical lot. The cleaner phrasing is "1955 or 1956 to 1959" with the launch-year split captured.

The total production figure carries an important correction. Foulkes's 2024 *Oyster Perpetual Submariner* (Wallpaper / ACC Art Books) — citing Rolex archive data — gives the parent 6536 a total of 5,350 pieces 1955–1959. The five no-crown-guard references combined total 12,144 pieces; the 6536 alone accounts for roughly 44% of all pre-crown-guard Submariner production. The widely-quoted "approximately 100 units" figure that circulates in dealer copy is wrong for the parent reference; it almost certainly described the OCC chronometer four-line subvariant only and was extended by repetition to cover the whole reference. No separate split is published for 6536/1 vs 6536, and no COSC-vs-non-COSC breakdown.


== Movement notes ==

[[File:Ref 6536 movement.jpg|thumb|right|250px|alt=Caliber 1030 movement|Caliber 1030 movement]]

The 6536 family runs caliber 1030 — Rolex's first bidirectional automatic, introduced in 1950. The 1030 carries a butterfly rotor stamped ROLEX PERPETUAL PATENTED, two prongs hollowed on a semi-circle, and replaces the thicker uni-directional autowind module of the A-series Perpetuals (A260 / A290 / A295 / A296) that powered the bubble-back era; the A-series architecture itself is full-rotor, not bumper. Specs converge across the specialist registries and Major-house lots at 28.5mm × 5.85mm, 25 jewels, 18,800 vph, monometallic balance, blue Breguet overcoil. The same caliber appears on late 6205 production and across the 6538.

Chronometer-certified (OCC) and non-certified versions both exist within the 6536 family on the same base caliber. The split is a certification distinction, not a mechanical one — some movements were sent for chronometer rating and some were not. Chronometer-rated 6538 examples are typically dated to the end of 1958; the 6536/1 OCC chronometer arrived earlier, with RolexHaven dating one OCC 6536/1 to 1957 (case 22x,xxx). Five-position adjustment is the period-equivalent of modern COSC certification.

Sotheby's 2018 Lot 252 carries the strongest documentation for caliber 1030 on the 6536/1: caseback stamped 6536/1 with III.57, case 306,989,. A specialist three-watch study (cases 22x,xxx, 306,xxx, and 399,xxx, dated 1957–1959) confirms caliber 1030 across the full production run.


== Dial map ==

[[File:Ref 6536 red-depth-photo.webp|thumb|right|250px|alt=6536-1 with red depth rating text|6536-1 with red depth rating text]]
[[File:Ref 6536 gilt-dial-photo.webp|thumb|right|250px|alt=6536 gilt dial — standard 1956 production|6536 gilt dial — standard 1956 production]]

[[File:Ref 6536-1 dial-detail.jpg|thumb|right|220px|alt=6536 dial close-up|6536 dial close-up]]

[https://rolexhaven.com/ RolexHaven] catalogues seven dial and case variants within the 6536 family — the 6536/8 transitional, the red, gold, and silver depth-text dials, the OCC, the no-hash red, and the tropical. The 6536 is the first Submariner reference where every production example carries Mercedes hands. The 6205 introduced them, but only across its second series. Hands are gilt (gold-plated). The 6536/8 transitional and the earliest 6536/1 production carry a "long neck" hour hand — the section between the Mercedes aperture and the base of the hand is visibly extended. The seconds hand evolved during production: early examples carry a large white lollipop seconds hand typical of the earliest Submariners; later production shifted to a gilt finish with progressively smaller lume plots at the tip.


=== Depth rating text ===

Depth-rating text is one of the cleanest dating tools on a 6536 dial. Three documented variants:
* Red depth ("100/330" without units) — earliest 1955–1956 production. The most sought-after configuration.
* Gilt-gold depth ("100m/ft = 330" with units) — 1956 onward, the dominant configuration.
* Silver depth — late-run examples, tracking Rolex's broader move away from red printing across the late 1950s.

All three depth-text variants appear on both the 6536 and the 6536/1.


=== Dial finish evolution ===

Le Monde Edmond's comparative study of three 6536/1 examples documents the dial finish shifting from a matte quality in early 1957 production to an increasingly glossy finish by 1959 — late examples read as fully glossy gilt. Lume colour shifted in parallel: whitish-beige in early examples, orange in the middle of the run, and back to beige in late production.


=== Two-line, four-line OCC, four-line SCOC, and three-line dials ===

* Two-line (standard): "SUBMARINER" + depth rating. The dominant configuration across documented examples — Sotheby's, Bonhams, and Phillips lots are predominantly two-line.
* Four-line OCC ("Officially Certified Chronometer"): adds two extra lines below the depth rating. RolexHaven's "6536-1 OCC 1957" page documents one with case 22x,xxx. Rolex Passion Report references this as "extremely rare." This is the configuration the 100-unit production figure most likely referred to.
* Four-line SCOC ("Superlative Chronometer Officially Certified"): later wording on chronometer-rated examples — the same wording change parallels the 5508 / 5512 transition. The OCC-vs-SCOC distinction within the four-line variant is what readers conflate; both are four-line, the wording differs.
* Three-line: transitional between two-line and four-line. Documented but rare.


=== Bezel variants ===

A specialist three-watch study captures the bezel evolution within 1957 alone. The earliest 1957 examples carry a silver triangle at zero with no hash marks across the first fifteen minutes — the cleanest and earliest layout. Mid-production examples from 1957 to 1958 keep the no-hash layout but switch to a red triangle at zero, a shift confirmed on a dated 1958 example. Late 1959 production carries the red triangle alongside individual minute hash marks across the first fifteen minutes — the closest ancestor to the bezel that defines the 5512.


=== Invert dial variant ===

Rolex Forum collectors have documented an "invert" dial variant on the 6536/1 where the dial text is inverted from the standard layout. Documented examples are extremely scarce and the configuration is a rare sub-variant without major-house corroboration.


== The 6536/8 transitional variant ==

A transitional variant is catalogued as 6536/8 (also 6536/6538), where both reference numbers appear on the caseback with one crossed out in favour of the other. It predates the formal 6536 production run and uses a slightly larger, thicker case matching 6538 dimensions, while retaining the 6mm small crown and 100m depth rating of the standard 6536 family. Long-neck hour hands are documented on this transitional reference. RolexHaven catalogues the 6536/8 as a documented subvariant rather than a one-off — the working interpretation is that early 6536 production used available 6538 cases that were re-stamped at the factory before standard 6536 case production caught up.


== Case, bezel, crystal, and crown ==

[[File:Ref 6536 case-profiles.webp|thumb|right|220px|alt=Case profile comparison across Small Crown era|Case profile comparison across Small Crown era]]

The case runs about 37mm (37.5mm on the 6536/8 transitional) with a 6mm Brevet crown. The 6mm crown is the visual tell against the 6538's oversized 8mm Brevet. The case belongs to the same generation as the 6538, built around the same tooling philosophy, but sized for the smaller crown tube and lacking the crown guards that arrive with the 5512 in late 1959. The crystal is domed acrylic throughout. The bezel is bidirectional, 60-minute, black anodised aluminium, with a looser action than the precise-click unidirectional bezels that come in later generations. The crown is the original single-coronet "Brevet" 6mm with double-lock; a three-dot crown on a 6536 is a service replacement.

Quarterly inside-caseback stamps (Roman numeral quarter. two-digit year) date the case head: IV.55 on Bonhams Red Depth case 112,341; "4 55" on Sotheby's 2021 case 112,256; I.57 on Sotheby's 2018 Lot 215 case 229,640; II.56 on Phillips Geneva V Lot 102 case 155,502; II.57 / III.57 on multiple 1957 lots. The format is consistent and reliable — it dates the case head, not the bracelet. Additional service or job numbers are sometimes added by Rolex New York in the upper-left of the inside back (per RolexHaven OCC page).


== Bracelets, end links, clasps, and packaging notes ==

[[File:Ref 6536-1 hero 2.webp|thumb|right|250px|alt=Rolex Submariner Ref. 6536|Rolex Submariner Ref. 6536]]

Three documented original-delivery bracelet families on the 6536 / 6536-1, all stamped end-link 65 or 80:
* 6636 Oyster (riveted, expandable) — most common period-correct delivery for 1956–58 6536 / 6536/1 examples. US-made by Gay Frères stamped end-links 80 (Sotheby's Lot 121 example).
* 7206 Oyster (fixed-link rivet) — Phillips Lot 102 (case 155,502, Q2 1956) is fitted on a 7206-stamped bracelet with end-links 80, direct documentary evidence the 7206 shipped on early 6536/1.
* Jubilee 62510 — Sotheby's 2021 Lot 35 (case 112,256) is on a Jubilee stamped 1960. Period-fitted Jubilee on a 6536/1 is unusual and not the standard original-delivery configuration, but it appears in the auction record.

The 6251H is documented elsewhere on small-crown Subs but is not directly attested for 6536 / 6536-1 in the surveyed lot record. End-link "65" is the small-crown standard across the published examples; end-link "80" appears on later 1959 examples and post-Submariner-line bracelets.

Survival is the harder question. Rivet bracelets of this era are a collecting category in their own right. An original, undisturbed rivet bracelet on a 6536 adds materially to completeness — dealers and owners replaced them across decades of service.


== 6536/1 vs 5508 — how they compare ==

The head-to-head comparison gives the cleanest tells. Both are small-crown, no-crown-guard Submariners rated to 100m, the last two Submariners to share that specification. Case height matches at 12.8mm and end-to-end length matches at 38mm; the 5508 caseback is slightly smaller in diameter.

The movement is the main mechanical distinction. The 6536/1 runs caliber 1030; the 5508 runs the newer caliber 1530, treated by collectors as more modern and more reliable. Both use full-rotor architectures (1030 butterfly, 1530 standard). Both dials are gilt with Mercedes hands; the 6536/1 reads more golden in tone and the 5508 more silver.

The bezel is the cleanest dating tell. The 6536/1 carries the earlier layout — silver-then-red triangle, no minute graduations or 10-minute interval markers. The 5508 carries the later individual hash marks across only the first fifteen minutes alongside the red triangle. Caseback stamping is decisive: 6536/1 stamps "6536/1," 5508 stamps "5508."


== Authentication ==

Cross-reference confusion among 6536 / 6536/1 / 5508 is the dominant authentication problem on this generation:

* 6536 vs 6536/1: caseback stamp is the only standard distinction. Everything else (dial, bezel, bracelet, movement, crown, case dimensions) overlaps. The 6536/8 transitional with crossed-out "6538" → "6536" is its own subvariant.
* Bezel insert swaps: the bezel insert evolved rapidly within 1957 alone (silver → red triangle, no-hash → hashed). A 1957 case with a 1959-style hashed insert is a swap, not factory delivery. Christie's 2023 lot 230,421 was sold with a "later and incorrect" bezel insert plus "incorrect" stamped-75 end-links and an aftermarket clasp — illustrative red-flag pattern.
* Service dials: Wind Vintage explicitly warns about service dials on 6536/1; matte-finish dials with crisp gilt printing read as service replacements vs original gloss. The Robert Maron "underline dial" reference is one provenance check.
* Crown: original is single-coronet "Brevet" 6mm with double-lock (no later three-dot crown); a three-dot crown is a service replacement.
* Case polish / lug bevels: unpolished examples command 5–10× over polished pieces. Sharp bevels and crisp lug edges are non-negotiable for top-tier examples.


== Historical market and auction record ==

[[File:Ref 6536-1 hero.webp|thumb|right|250px|alt=Rolex Submariner Ref. 6536|Rolex Submariner Ref. 6536]]
[[File:Ref 6536 hero 2.jpeg|thumb|right|250px|alt=Rolex Submariner Ref. 6536|Rolex Submariner Ref. 6536]]

{| class="wikitable sortable"
|-
! Sale !! Lot !! Year !! Reference / serial !! Variant / config !! Hammer
|-
| Sotheby's New York Important Watches || 252 || 2018 || 6536/1, case 306,989, caseback III.57 || world-record. Original no-hash bezel red triangle, glossy two-line dial, white small-circle seconds || USD 225,000 (~11× est.)
|-
| Sotheby's Geneva || 215 || 2018 || 6536/1, case 229,640, caseback I.57 || cal. 1030, Oyster bracelet stamped "7-70 made in USA" || est. CHF 70,000–100,000
|-
| Sotheby's London || 121 || 2019 || 6536 (parent), case 399,228, c.1959 || brown tropical dial, Oyster bracelet stamped 1/69 with end-links 80, faded red-triangle bezel || est. GBP 45,000–70,000
|-
| Sotheby's Important Watches || 35 || 2021 || 6536/1, case 112,256, caseback "4 55" Q4 1955 || Jubilee bracelet stamped 1960; earliest documented 6536/1 caseback || est. CHF 20,000–35,000
|-
| Phillips Geneva V || 102 || 2017 || 6536/1, case 155,502, caseback II.56 || on 7206 rivet bracelet || est. CHF 40,000–80,000
|-
| Phillips Geneva XVIII || — || 2021 || 6536/1 1955 "Red Depth" || Tiffany To specialist's pick || est. USD 54,000–109,000
|-
| Bonhams London || 116 || 2012 || 6536 (parent), case 306,706, March 1957 || cal. 1030, gloss black gilt, red triangle bezel, bracelet date-coded 4/58 || GBP 21,250 incl. premium
|-
| Bonhams || 36 || 2021 || 6536/1 Red Depth, case 112,341, caseback IV.55 || brown leather strap, no-minute-marker bezel first 15 min || est. GBP 60,000–80,000
|-
| Christie's Online HK || — || 2023 || 6536/1, case 230,421 || gilt tropical, later/incorrect bezel insert, end-links stamped 75 (incorrect), aftermarket clasp || (sold with red-flag notes)
|-
| Antiquorum Monaco || — || 2025 || 6536/1 || (1957–58 era) || USD 14,622 (~10% over est.)
|-
| Antiquorum Switzerland || — || 2025 || 6536/1 || (1957–58 era) || USD 17,074
|}

The Sotheby's 2018 NY result (Lot 252) at USD 225,000 against a USD 20,000 low estimate (11× hammer) is the world record for any small-crown Submariner. The watch was a first-series 1957 example (case 306,989), unpolished, with the no-hash-mark red-triangle bezel, glossy gilt dial, and original white circle seconds hand. Small-crown Submariners had previously traded in the USD 100,000–150,000 band; the Sotheby's result reset the ceiling. The Phillips Geneva XVIII 2021 Red Depth lot sets the high estimate at USD 54,000–109,000. Bonhams 2012 (£21,250) is a useful pre-boom marker for how far the small-crown market has moved over the past decade.

== Sources ==

* [https://goldammer.me/blogs/articles/rolex-finally-releases-insights-quantifying-the-early-rolex-submariner Quantifying the Early Rolex Submariner] (Goldammer, September 2024) — Foulkes-derived Rolex archive production data
* [https://www.bobswatches.com/vintage-rolex-reference-6536.html Vintage Rolex Reference 6536] (editorial)
* [https://monochrome-watches.com/rolex-submariner-history-part-1-the-early-references/ History of the Rolex Submariner — Part 1, The Early References] — Tom Mulraney (Monochrome, 2020)
* [https://rolexpassionreport.com/2932/the-history-of-the-rolex-small-and-big-crown-james-bond-submariner/ The History of the Rolex Small and Big Crown James Bond Submariner] (Rolex Passion Report)
* [https://le-monde-edmond.com/3-rolex-6536-1/ Three Rolex 6536/1 — comparative study] (Le Monde Edmond)
* [https://le-monde-edmond.com/world-record-rolex-6536-1-sothebys-2018/ World Record Rolex 6536/1 — Sotheby's 2018] (Le Monde Edmond)
* [https://le-monde-edmond.com/comparison-rolex-submariner-6536-1-vs-5508/ Rolex Submariner 6536/1 vs 5508] (Le Monde Edmond)
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-n09952/lot.252.html Submariner Ref 6536/1, A Stainless Steel Automatic Wristwatch With Bracelet, Circa 1957] — Sotheby's NY 2018 Lot 252 world record
* [https://www.sothebys.com/en/auctions/ecatalogue/2018/important-watches-ge1804/lot.215.html Submariner Ref 6536/1 Lot 215 — Sotheby's Geneva 2018]
* [https://www.sothebys.com/en/buy/auction/2019/fine-watches-l19011/reference-6536-submariner-a-stainless-steel-automatic Reference 6536 Submariner tropical c.1959 — Sotheby's London Lot 121] (Sotheby's, 2019)
* [https://www.sothebys.com/en/buy/auction/2021/important-watches-2/reference-6536-1-submariner-a-stainless-steel-automatic Reference 6536/1 Submariner Q4 1955 — Sotheby's Lot 35] (Sotheby's, 2021)
* [https://www.phillips.com/detail/rolex/CH080117/102 Reference 6536/1 — Phillips Geneva V Lot 102] (Phillips, 2017)
* [https://www.phillips.com/detail/rolex/CH080521/ Phillips Geneva XVIII 2021 6536/1 Red Depth] (Phillips)
* [https://www.bonhams.com/auction/19831/lot/116/ Rolex Submariner Reference 6536, March 1957 — Bonhams London Lot 116] (Bonhams, 2012)
* [https://www.bonhams.com/auction/27664/lot/36/ Rolex Submariner Reference 6536/1 Red Depth IV.55 — Bonhams Lot 36] (Bonhams, 2021)
* [https://onlineonly.christies.com/s/important-watches-online/lots/3000 Christie's HK Online October 2023 6536/1] (Christie's, 2023)
* [https://www.windvintage.com/rolex-small-crown-submariner-reference-65361-copy Rolex Small Crown Submariner Reference 6536-1 Unpolished] — Eric Wind (Wind Vintage)
* [https://greyandpatina.com/product/1958-rolex-6536-1-small-crown-submariner/ 1958 Rolex 6536-1 Small Crown Submariner] (Grey and Patina)
* [https://chrono-shop.net/en/watch-movements/142-rolex-caliber-1030.html Rolex Caliber 1030 technical reference] (Chrono-Shop)
* [https://rolexhaven.com/65368-double-ref.--54.html 6536/8 Double Ref] / [https://rolexhaven.com/6536-1-red-depth--55.html 6536-1 Red Depth] / [https://rolexhaven.com/6536-1-gold-depth--56.html 6536-1 Gold Depth] / [https://rolexhaven.com/6536-1-occ--57.html 6536-1 OCC 1957] (RolexHaven)
* ''Oyster Perpetual Submariner: The Watch That Unlocked the Deep'' — Nicholas Foulkes (Wallpaper / ACC Art Books, 2024)
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

[[Category:Submariner]]

Reference:milgauss

2026-06-29T01:22:59Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex Milgauss}}
{{#seo:
|title=Rolex Milgauss — Reference Guide to Every Model & Year | BezelBase
|description=Every Rolex Milgauss reference, from the 1956 6541 honeycomb-gilt original through the 2007–2023 116400 / 116400GV "Glace Verte" revival. Production histories, dial variants, CERN provenance, Faraday cage architecture, movement specs, and collector context.
|keywords=Rolex Milgauss, 6541, 1019, 116400, 116400GV, Glace Verte, Z-Blue, Z-Black, CERN dial, honeycomb dial, Faraday cage, anti-magnetic 1000 gauss, lightning bolt seconds, Bull-Gauss, Pisani-class authentication
|image=Milgauss vintage poster.webp
|image_alt=Milgauss family — 6541, 1019, 116400 lineage
|type=Article
|og_type=article
|published_time=2026-05-17T05:53:59Z
|modified_time=2026-06-04T04:42:46Z
|robots=index,follow,max-image-preview:large
}}

= Rolex Milgauss =

The Milgauss is the Rolex reference built for scientists. Engineered for engineers, physicists, and lab technicians working near magnetic-field equipment, the line opens in 1956 with the 6541 — the first wristwatch with a soft-iron Faraday cage rated to 1,000 gauss. The Geneva-based partnership with CERN supplied the original validation case: CERN's labs were among the first to confirm Rolex's antimagnetic claim against the broader scientific measurement standards. The line runs through three canonical references over sixty-seven years before closing at Watches & Wonders Geneva in 2023.

The operational distinction is the cage. A soft-iron inner ring around the movement plus a soft-iron bell cover or caseback shield form a Faraday cage that diverts magnetic flux around the movement. Stray fields up to 1,000 gauss — equivalent to a strong electromagnet at close range — leave the regulating organ unaffected. The Milgauss is the only Rolex sport-line reference built specifically around this requirement.

This index covers every Milgauss reference. Pre-2020 production-end is the standard scope rule for the wiki; the 116400 / 116400GV final discontinuation in 2023 is the family-specific exception admitted because closing the Milgauss line cleanly requires it.

[[File:Milgauss vintage poster.webp|thumb|center|400px|alt=Milgauss family — 6541, 1019, 116400 lineage|The Milgauss line across its three references — 6541 (1956–1960), 1019 (1960–1988), 116400 / 116400GV (2007–2023).]]

== Common entry points ==

{| style="width:100%; border-collapse:separate; border-spacing:8px 0; margin:1em 0 1.5em 0;"
|-
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Identifying a 6541 honeycomb dial?'' '''[[Reference:6541|6541]]''' — original Milgauss. Honeycomb gilt dial, lightning-bolt seconds, soft-iron Faraday cage rated to 1,000 gauss, fewer than two hundred examples produced.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Cross-checking a 1019?'' '''[[Reference:1019|1019]]''' — the twenty-eight-year long run on caliber 1580 — roughly thirty antimagnetic modifications off the 1530 base — with the CERN-issued non-lume dial sub-variant.
| style="width:33%; padding:14px; background:#f8f8f6; border-left:3px solid #555; vertical-align:top;" | ''Researching the green-crystal modern?'' '''[[Reference:116400GV|116400GV]]''' — modern revival with the green-tinted Glace Verte sapphire crystal, the only colored crystal Rolex has ever produced. Discontinued at Watches & Wonders Geneva 2023.
|}

== Vintage tool-watch era — 6541 (1956–1960) ==

The cataloged Milgauss. Honeycomb gilt dial in webbed laminated copper. Lightning-bolt seconds hand. Rotating engraved bezel. Twinlock crown. Fewer than 200 examples produced across the 6541 and its proto-reference 6543 combined. Every documented surviving 6541 case sits in the 412xxx serial batch — the most concentrated serial-band production in vintage Rolex sport-line history.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:6541|6541]] || 1956–1960 || 1066M (early) → 1080 (late) || acrylic || rotating engraved (standard) + smooth fixed (US-market) || First cataloged Milgauss. Lightning-bolt seconds (added 1957). Faraday cage rated 1,000 gauss. Five dial variants: honeycomb gilt, tropical, CERN non-luminous, no-MILGAUSS-text (sub-five known), and white dial (open question). Auction record CHF 2,238,000 at Phillips Geneva XVII May 2023 lot 25 (case 412'399). PerezCope "Bull-Gauss" authentication forensics canon.
|}

== Long-run dress-coded era — 1019 (1960–1988) ==

The longest Milgauss production run. Smooth bezel replaces the 6541's rotating engraved bezel. Plain straight seconds hand with red arrow tip replaces the lightning bolt — used on no other Rolex reference. The brief is deliberate de-tooling: the 6541's flamboyant signatures are stripped and the dial moves through three documented families across twenty-eight years. Commercial failure in its own time; collector grail from approximately 2000 onward.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:1019|1019]] || 1960–1988 || 1580 || acrylic || smooth fixed steel || 28-year run, longest of any Milgauss reference. Soft-iron Faraday cage carried over from 6541. Caliber 1580 with ~30 antimagnetic modifications off the 1530 base — 26 jewels, 19,800 vph, hacking seconds. Dial families: matte black (Mk1 square lume + later round lume), brushed silver, CERN-spec silver non-lume, gloss-black "Black Swan" (3 known, Phillips Geneva Six 2017 lot 196 hammered CHF 150,000). Tiffany-double-signed CERN dial documented (Bain 1964 case 1065XXX). Red arrow seconds hand the constant signature.
|}

== Modern revival — 116400 / 116400GV (2007–2023) ==

Rolex revives the Milgauss at Baselworld 2007, nineteen years after the 1019 production end and at the fiftieth anniversary of the 1956 6541 catalog launch. Four sub-references run across sixteen years. The signature change: the green-tinted Glace Verte sapphire crystal on the GV variants — the only colored crystal Rolex has ever produced. The line ends at Watches & Wonders Geneva 2023 with no announced successor.

{| class="wikitable" style="width:100%;"
|-
! Reference !! Production !! Movement !! Crystal !! Bezel !! Key distinction
|-
| [[Reference:116400|116400 / 116400GV]] || 2007–2023 || 3131 + Parachrom Blu || clear sapphire (116400) or green Glace Verte sapphire (116400GV) || smooth fixed steel || 40mm 904L Oystersteel, soft-iron Faraday cage with "B-arrow" engraving, 1,000 gauss antimagnetic, 100m WR. Caliber 3131 — time-only sister of cal 3135 with paramagnetic Parachrom Blu hairspring. Orange lightning-bolt seconds revives 6541 signature. Four sub-references: 116400-0001 (black/clear, 2007–c.2013/2014), 116400-0002 (white/clear, 2007–2016), 116400GV-0001 "Z-Black" (2007–2023), 116400GV-0002 "Z-Blue" (March 2014–2023, electric-blue sunburst with zirconium pigment).
|}

== Faraday cage — the line's defining feature ==

The Faraday cage architecture is constant across all three references. A soft-iron inner ring around the movement (mechanical shielding) plus a soft-iron bell cover or caseback assembly (the second half of the shield) diverts magnetic flux around the watch's regulating organ. The 6541's webbed laminated copper plate adds a third shielding layer functioning as supplementary dial-side flux diversion.

The cage was Rolex's response to a measurement problem at CERN and at industrial research facilities of the 1950s. Standard wristwatch escapements ran inside the magnetic field of nearby experimental equipment and the regulating organ — a balance with steel components — was magnetised by stray flux. Tritium-equipped Geiger-counter testing of contemporary watches showed measurable timing drift in the 100–500 gauss range. Rolex's 1,000-gauss spec built a margin into a wristwatch.

By the 116400 generation, paramagnetic Parachrom Blu hairspring chemistry and amagnetic-alloy escapement components had reduced the cage's role to backup protection. The cage stays because the Milgauss without it is just an Oyster Perpetual.

== CERN provenance ==

The Rolex–CERN relationship begins with the 6541. CERN scientists validated the 1,000-gauss rating in-house against measurement standards CERN itself published. The "CERN dial" non-luminous variant (no tritium plots at the indices) appears on both the 6541 and the 1019 — the practical reason is that tritium beta-decays at 18.6 keV and a normal Rolex dial contributes scintillation background that distorts low-statistics measurements in CERN's particle-physics regime. Removing the tritium plots removes the failure mode.

No public CERN-side roster of issued Milgauss serial numbers exists. CERN's historical archive does not host watch documentation online. Specimens surface only via estate sales decades after issue. The non-lume dial spec is most likely a Rolex catalogue option that CERN-affiliated buyers and Geneva-area retailers fulfilled — there is no Rolex-side roster of named CERN-issued owners. The link is collector lore reinforced by Rolex's modern sponsorship of CERN's "Universe of Particles" exhibition at the Globe of Science and Innovation in Meyrin.

== Authentication — the "Bull-Gauss" canon ==

PerezCope's July 2023 forensic exposé of an Antiquorum-offered 6541 (case 412'320) coined "Bull-Gauss" as collector shorthand for fake or heavily-restored 6541s entering the auction market. The five-test forensic framework (movement M-engraving, soft-iron cage, caseback stamps, bezel-insert numerals, balance-cock geometry) is detailed on the [[Reference:6541|6541]] article where authentication stakes are sharpest. The 1019 and 116400 have parallel authentication checklists in the specialist literature but lower-stakes fakes are less frequent.

== Historical anchors ==

* 1956 — 6541 catalog introduction at Baselworld. CERN operationally commissioned the same year. Lightning-bolt seconds added 1957; case batch finalised 1958 (IV.1958 most common inner caseback stamp).
* 1960 — 6541 production end, 1019 introduction. Brief overlaps; 1019 takes over.
* 1963 to 1965 — Daytona Continental race-prize tradition. Per Jake Ehrlich's Rolex Magazine archive, Rolex distributed 6541s to Daytona Continental race winners (Pedro Rodriguez 1963 / 1964, Ken Miles + Lloyd Ruby 1965 Ford GT40). Race results are independently confirmed; the watch-prize tradition is single-source attribution.
* 1988 — 1019 production end. Catalogue presence continues briefly into the early 1990s as remaining inventory clears; NOS examples manufactured 1979 surfaced sold-new as late as 1990. The Milgauss line goes empty for nineteen years.
* 2007 — 116400 launch at Baselworld March. Coincides with CERN completing the Large Hadron Collider; Rolex sends pre-production 116400s to CERN for testing.
* November 2017 — Phillips Geneva Six lot 196 1019 Black Swan hammers CHF 150,000, re-anchoring the modern vintage 1019 market.
* March 2014 — Z-Blue 116400GV-0002 launch at Baselworld. Replaces the discontinued non-GV black sub-reference.
* May 2023 — Phillips Geneva XVII lot 25 6541 record. CHF 2,238,000 including premium. Case 412'399, movement N782694, full papers with secondary June 1960 chronometer certificate. Reportedly acquired by Rolex for the brand's archive (per Robb Report and Philipp Stahl at Rolex Passion Report).
* April 2023 — Watches & Wonders Geneva. Full Milgauss line discontinued. No successor announced.

== Special branches ==

The line hosts several institutional and provenance branches whose authentication and value warrant treatment in the per-reference articles:

* CERN-spec non-luminous dial (6541, 1019) — black-infilled hands and indices, no tritium plots. Rolex catalogue option ordered by CERN and other radiation-sensitive scientific environments. Premium over standard dial at auction.
* No-MILGAUSS-text 6541 — sub-five known. Standard Oyster Perpetual upper line, no "MILGAUSS" designation. Sotheby's London 2020 lot 365 essay confirms "less than a handful of pieces known to exist." Rarest factory 6541 configuration.
* Smooth-bezel US-market 6541 — fixed polished steel bezel, "ROW" (Rest of the World) movement stamp. Documented at Antiquorum lot 576 (case 412'108, sold January 30 1959, CHF 105,750) and Monaco Legend Auctions lot 32 (case 412'375, EUR 143,000 tropical).
* Black Swan 1019 — gloss-black dial with silvered gilt print. Three known examples. Phillips Geneva Six November 2017 lot 196 (case 1'985'480, caseback III.68) hammered CHF 150,000 against a CHF 70,000–100,000 estimate.
* Tiffany & Co. double-signed 1019 — Bain 1964 example, case 1065XXX, four-line CERN-spec dial with Tiffany & Co. retailer signature. Earliest known co-signed CERN Milgauss and the only documented Tiffany 1019 of any dial colour.
* Glace Verte 116400GV — green-tinted sapphire crystal, only colored crystal Rolex has ever produced. Through-thickness tint via kiln process Rolex describes as "one of the most difficult aesthetic operations" the manufacture has attempted; deliberately not patented because the process is so difficult to reverse-engineer.
* Z-Blue 116400GV-0002 — electric blue sunburst lacquer pigmented with zirconium, reads aqua/turquoise through the green crystal. March 2014 launch replaces the discontinued non-GV black sub-reference.

== Reference guides ==

Cross-family material that applies across the Milgauss line:

* [[Reference:Bracelets|Bracelets]] — the 6636 riveted (6541), 7206 / 7836 / 78350 / 78360 family (1019), and 78690 (116400) fitments with clasp date-code key.
* [[Reference:Movements|Movements]] — caliber 1066M / 1080 (6541), 1580 (1019), 3131 (116400 with Parachrom Blu).
* [[Reference:Serial-numbers|Serial numbers]] — numeric pre-1987 (1019 covers 1.0M–7M range), letter prefix 1987–2010 (116400 M / V / G), random alphanumeric 2010 onward (116400 GV late run).

== Related families ==

* [[Reference:sea-dweller|Sea-Dweller]] — the other specialist tool line. Different threat (helium, not magnetism), same brief: a Rolex built for one specific working environment.
* [[Reference:submariner|Submariner]] — the parent sport-tool architecture. Same Oyster case lineage, same 1500-family movement base under the antimagnetic modifications.
* [[Reference:air-king|Air-King]] — the parallel non-flagship. Both lines spend the 1960s–80s as quiet, undersold, technically distinctive Rolexes — Air-King at the entry tier, Milgauss at the scientific-tool tier.

[[Category:Milgauss]]
[[Category:Family]]

Reference:6511

2026-06-29T01:22:57Z

Admin: SEO: clickable title + og:image + timestamps

{{#seo:
|title=Rolex 6511 Day-Date — The Fluted-Bezel 1956 Original, Caliber 1055, Jubilee Bracelet | BezelBase
|description=The 6511 is the fluted-bezel half of the original 1956 Day-Date, sibling to the smooth-bezel 6510. First-generation caliber 1055, 36mm 18k gold Oyster on a Jubilee bracelet, pre-SCOC dial. The fluted bezel became the Day-Date signature; the President bracelet arrives a year later with the 6611.
|keywords=Rolex 6511, Day-Date, fluted bezel, caliber 1055, Jubilee bracelet, 6510, 6611, Basel 1956
|image=Ref 6511 hero.webp
|image_alt=Rolex Day-Date 6511 in yellow gold on a Jubilee bracelet
|type=Article
|og_type=article
|published_time=2026-06-02T21:30:08Z
|modified_time=2026-06-29T01:21:35Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:day-date|Day-Date]] → '''6511'''

The 6511 is the fluted-bezel half of the original Day-Date. Rolex showed it at the Basel Fair in 1956 next to the smooth-bezel [[Reference:6510|6510]]; the two references are mechanically identical and parted only by the finish of their bezels. The fluted bezel the 6511 carried became the visual signature of the Day-Date and has stayed on the model for seventy years. The 6510's smooth bezel did not survive the originals era. Both wear the first-generation caliber 1055, and both launched on a Jubilee bracelet rather than the President — the bracelet that gives the line its nickname arrives a year later with the 6611.

The cataloged run lasts a single year before the 6611 takes over. Surviving cases push the production window earlier than the launch itself: the two earliest documented examples were made in 1955, ahead of the Basel debut. The patent history, the origin of the Presidential nickname, and the full originals-era roster belong to the [[Reference:6510|6510]] entry. What follows is specific to the 6511 — its bezel, its dials, its metals, and a well-populated auction record.

[[File:Ref 6511 hero.webp|thumb|right|300px|alt=Rolex Day-Date 6511 in yellow gold on a Jubilee bracelet|Rolex Day-Date 6511 in 18k yellow gold on a Jubilee bracelet — the fluted Millerighe bezel that became the Day-Date signature.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6511
|-
| family
| Day-Date
|-
| catalogue debut
| Basel Fair 1956
|-
| production
| 1956–1957 cataloged; earliest documented cases made 1955
|-
| movement
| caliber 1055, first generation (no Microstella, no COSC, gradual midnight changeover, pre-SCOC dial line)
|-
| case
| 36mm 18k gold Oyster — yellow gold (production-volume), pink gold (uncommon), white gold (rare, disputed at launch)
|-
| crystal
| acrylic
|-
| bezel
| fluted ("Millerighe")
|-
| bracelet
| Jubilee (the President bracelet arrives with the 6611 in 1957)
|-
| crown
| Twinlock screw-down
|-
| sibling
| 6510 (smooth/domed bezel, parallel 1956 launch)
|-
| successor
| 6611 (1957 — Microstella cal 1055B, COSC, President bracelet)
|}

==Where it sits in the line==

The 6510 and 6511 launched together as a bezel-finish pair. Everything else about them matches: the 36mm Oyster case, the Twinlock crown, the acrylic crystal, the first-generation caliber 1055, the Jubilee bracelet, the single cataloged year. The bezel is the one intended difference. The 6510 took the smooth, gently domed bezel; the 6511 took the fluted "Millerighe" bezel, the corrugated edge Rolex had used on the Datejust through the early 1950s. Of the two finishes, the fluted one became the Day-Date's identity, which is why the 6511 reads today as the more familiar of the originals even though the 6510 carries the lower number.

The pair sit apart from the rest of the originals-era cluster on two counts. They are the only Day-Date references to use the first-generation cal 1055, and the only two to ship on the Jubilee. From the 6611 onward the line moves to the Microstella-regulated, COSC-certified second-generation caliber and to the President bracelet, and the "Superlative Chronometer Officially Certified" dial designation appears for the first time. The 6511 is the last fluted-bezel Day-Date before the President bracelet that the design is now inseparable from.

==Production outline==

Rolex debuted the 6510 and 6511 together at the Basel Fair in 1956, but production had already started: the earliest documented 6511 cases, 111,654 and 134,692, were both made in 1955, before the public launch. Case numbers on surfaced examples run from that 1955 cluster up to 166,725 in 1956, a narrow band consistent with a short run. No Rolex archival production figure has surfaced for the reference.

By 1957 the 6611 replaces the 6511. The change is mechanical and aesthetic at once: the upgraded caliber, the President bracelet, and the new chronometer-certified dial all arrive together, so the 6511 marks the end of the first Jubilee-and-1055 phase of the Day-Date rather than a model that ran alongside its successor. The whole originals-era cluster gives way to the 1803 and its siblings around 1959.

==Movement notes==

The 6511 carries the first-generation caliber 1055, the founding day-date complication movement and a caliber it shares only with the 6510. It runs at 18,000 vph (2.5 Hz) on 25 jewels, measures 28.50mm across and about 7.0mm tall, and holds roughly 42 hours. It has no Microstella balance, no COSC certification, and a gradual rather than instant changeover at midnight: the early caliber lacks the stored torque to flip both the day disc and the date through in a single impulse, so the two calendars settle into place over a window either side of twelve. That changeover is the deficiency usually blamed for the reference's single-year life. The 6611's second-generation caliber, internally a 1055B, fixed it in 1957 alongside the free-sprung Microstella balance and COSC certification. The full caliber lineage sits on [[Reference:Movements]].

Auction movement descriptions add useful texture to the plain specification sheet. A 1956 example was catalogued with a rhodium-plated cal. 1055, oeil-de-perdrix decoration, straight-line lever escapement, monometallic balance adjusted to temperatures and five positions, shock protection, and a self-compensating Breguet balance spring. Those details fit the 6511's odd place in the line: technically ambitious and chronometer-minded, but still before the Microstella-regulated generation that made the Day-Date formula stable.

The dial designation on the 6511 is pre-SCOC, reading either "Superlative Chronometer by Official Test" or "Officially Certified Chronometer" depending on the example; the four-line "Superlative Chronometer Officially Certified" block is the 6611's introduction. Auction catalogues occasionally mis-state the caliber. Phillips listed the movement of its 1955 yellow-gold lot as a 1555, a caliber that did not exist until the 1803 era; a watch of this date carries the 1055.

==Dial map==

[[File:Ref 6511 dial.webp|thumb|right|250px|alt=6511 pre-SCOC dial|The pre-SCOC dial reading "Officially Certified Chronometer", with the full-word day aperture at twelve. Image via Antiquorum.]]

Surfaced 6511 examples spread across several factory dial colours, all sharing the period layout: the full-word day aperture at twelve, the date at three under a Cyclops, applied faceted gold indices, dauphine or alpha hands, and radium lume.

The red printing carries information beyond colour. The 1955 yellow-gold example with case 111,654 places the red "Day-Date" signature at six o'clock and pairs it with a red date wheel, while other early examples move toward the more familiar chronometer text hierarchy. The 6511 dial map is therefore less settled than later Day-Dates: Rolex was still deciding where the model name, chronometer line, and calendar colour should sit on a flagship calendar dial.

{| class="wikitable"
|-
! dial
! indices / detail
! chronometer line
! documented on
|-
| champagne / gold
| applied faceted gold batons, red printed "Day-Date", red date wheel
| pre-SCOC
| yellow gold (Phillips 2015 lot 40)
|-
| silvered / white
| applied faceted gold batons, red "Day-Date"
| "Officially Certified Chronometer"
| yellow gold (Antiquorum 2008 lot 81; Monaco Legend 2024 lot 220)
|-
| black gloss / lacquer
| applied gold indices, radium plots
| pre-SCOC
| less common; yellow and pink gold
|-
| pink
| red-and-black date
| none printed
| pink gold (Phillips 2015 lot 41)
|}

The pink-gold Phillips lot is the clearest evidence that some early dials carry no chronometer line at all, a pre-certification quirk rather than a refinish. A small number of examples add a depth rating to the dial. One Monaco Legend yellow-gold lot reads "50 m = 165 ft" beneath the centre, a holdover from period Oyster dial practice. Day discs follow the retail market: English is the rule, and a Portuguese-calendar disc is documented on at least one yellow-gold example. Grey and tropical-brown dials surface on aged examples, the result of radium oxidation and lacquer breakdown over seventy years rather than a separate factory finish; black-dial pink-gold examples that have gone tropical command their own following.

==Case, bezel, crystal, and crown==

The 6511 uses the 36mm three-piece Oyster case that becomes the Day-Date standard for the next five decades: screw-down Twinlock crown, screw-down caseback, acrylic crystal. The case is the same one the 6510 wears; the bezel is what sets the reference apart.

That bezel is the fluted "Millerighe," the finely corrugated ring Rolex carried over from the early Datejust. Sources differ on what to call it: some describe the early pattern as fluted, others as a tighter "coin-edge" cut, but the labels point at the same physical bezel rather than a factual split. The flutes are cut into solid 18k gold matching the case. This is the bezel that defines the Day-Date silhouette, and the 6511 is where it enters the line.

The metals are where the sources genuinely disagree. Yellow gold is the production-volume case material and pink gold is confirmed but uncommon, the pink-gold Phillips lot settling that variant directly. White gold and platinum are contested: Fratello lists both among the originals' metals, while Rolex Magazine limits the 1956 launch to 18k pink and yellow gold, and no white-gold or platinum 6511 has surfaced in the auction record. The documented platinum piece of the originals era is the diamond-set 6612, not a 6511.

==Bracelets, end links, and clasps==

[[File:Ref 6511 bracelet.webp|thumb|right|250px|alt=6511 yellow-gold Jubilee bracelet|The 18k yellow-gold Jubilee bracelet — the period-correct fitment before the President bracelet arrived with the 6611.]]

The period-correct 6511 fitment is the Jubilee, the five-link bracelet Rolex had used as its house luxury band since the late 1940s. A Monaco Legend yellow-gold lot still wearing its original yellow-gold Jubilee is the cleanest confirmation. The President bracelet, the three-link semi-circular band designed for this watch, does not arrive until the 6611 in 1957, and here the sources split: Fratello describes the originals as delivered on the President under an earlier name, while Monochrome and the surfaced examples place them on the Jubilee.

The period advertising case is stronger than the later summary articles. The Basel-era material reproduced by Rolex Magazine shows the first Day-Date on a Jubilee bracelet and states the 1956 launch in 18k pink or yellow gold on Jubilee, with the President bracelet added the following year. Treat later President bracelets on 6511s as plausible period-correct wear, not proof of original delivery.

In practice the bracelet on a surviving 6511 proves little. Confirmed lots turn up on Presidents, on "Big Logo" bracelets, and on later brick-link bands — a Bonhams example wears an 18ct bracelet hallmarked 1959, three years after the case. These are period swaps and service replacements; the clasp code dates the bracelet, not the watch head.

==Auction record==

The 6511 is the better-documented of the two originals at auction, helped by Phillips's inaugural watch sale. Confirmed lots:

{| class="wikitable"
|-
! sale
! date
! metal
! result
! notes
|-
| Phillips, Glamorous Day-Date, Geneva, lot 40
| 9 May 2015
| yellow gold
| CHF 191,000
| case 111,654 (Q4 1955), full set with guarantee dated 7 May 1957, wallet and box; highest standard-gold result and earliest documented case
|-
| Phillips, Glamorous Day-Date, Geneva, lot 41
| 9 May 2015
| pink gold
| CHF 56,250
| case 134,692 (1955), pink dial with no chronometer line; confirms the pink-gold variant
|-
| Monaco Legend, Exclusive Timepieces 35, lot 220
| 19 Oct 2024
| yellow gold
| EUR 50,700
| case 166,725 (1956), original yellow-gold Jubilee, "50 m = 165 ft" dial
|-
| Monaco Legend, Exclusive Timepieces 31, lot 22
| 22 Apr 2023
| yellow gold
| EUR 35,100
| case 111,695 (1956), grey patinated dial, Portuguese day disc
|-
| Antiquorum, Revolution, New York, lot 81
| 17 Apr 2008
| yellow gold
| USD 24,000
| "Officially Certified Chronometer" dial; billed as the first yellow-gold 6511 at the house
|-
| Bonhams, London, lot 156
| 23 Nov 2004
| yellow gold
| unsold
| Glasgow import mark 1956; later 1959-hallmarked bracelet
|}

A clean standard-gold 6511 has settled into roughly the EUR 35,000–55,000 band in recent sales, with the Phillips full-set yellow-gold lot a clear outlier on the strength of its papers and pre-launch date. Further pink-gold and tropical-dial lots appear in the aggregated record at Christie's and Antiquorum but have not been confirmed against the houses' own lot pages.

One result sits outside the band entirely. Monaco Legend sold a steel 1955 prototype with a tropical dial and a gold bezel for EUR 1,196,000 in October 2024, an example from John Goldberger's collection published in Pucci Papaleo Editore's ''Day-Date — The Presidential Rolex'' (Spin Edizioni, 2015). Its reference is disputed: Monaco Legend catalogued it as a 6511, while Sotheby's and Monochrome attribute the five known steel pre-launch prototypes to the 6611. Either way it is a record-tier one-off, not a guide to the standard-production market.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://mondanibooks.com/rolex-day-date-history/ ''Rolex Day-Date Volume (Mondani Editore)'' — Mondani Family, Guido Mondani Editore]
* [https://www.puccipapaleo.com/bookstore/day-date/ ''Day-Date — The Presidential Rolex'' — Pucci Papaleo Editore, Spin Edizioni, 2015-05]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]
* [https://monochrome-watches.com/history-rolex-day-date-1956-present-president-watch-in-depth-review/ Monochrome editorial, "In-Depth: The History of the Rolex Day-Date, The Presidential Watch", Monochrome Watches]
* [https://www.fratellowatches.com/rolex-day-date-historical-overview-of-rolexs-flagship/ Fratello editorial, "Rolex Day-Date — Historical Overview Of Rolex's Flagship", Fratello Watches]
* [https://watchbase.com/blog/2015/02/21/rolex-day-date-history WatchBase editorial, "Rolex Day-Date History", WatchBase, 2015-02-21]
* [https://robbreport.com/style/watch-collector/lists/rolex-day-date-guide-1237586374/ Robb Report editorial, "The Rolex Day-Date: a Guide to Everything You Need to Know", Robb Report]
* [https://www.rolexmagazine.com/2010/09/1956-very-first-rolex-day-date.html Jake Ehrlich, "1956 — The Very First Rolex Day-Date", Rolex Magazine (Jake's Rolex World), 2010-09]
* [https://italianwatchspotter.com/the-history-of-the-rolex-day-date/?lang=en Italian Watch Spotter editorial, "The History of the Rolex Day-Date", Italian Watch Spotter]
* [https://www.collectorsquare.com/en/watches/rolex/day-date/ref-rolex-6511/lpi Collectors Square editorial, "Rolex Day-Date Ref. 6511 — auction price index and lot listings", Collectors Square]
* [https://www.phillips.com/detail/rolex/CH080115/40 Phillips (in association with Bacs & Russo), "Rolex Ref. 6511, yellow gold, Phillips Glamorous Day-Date lot 40", Phillips, 2015-05-09]
* [https://www.phillips.com/detail/rolex/CH080115/41 Phillips (in association with Bacs & Russo), "Rolex Ref. 6511, pink gold, Phillips Glamorous Day-Date lot 41", Phillips, 2015-05-09]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-204-81 Antiquorum, "Rolex Ref. 6511, yellow gold, Antiquorum Revolution: The Evolution of the Rolex Sport Watch lot 81", Antiquorum, 2008-04-17]
* [https://www.bonhams.com/auctions/10769/lot/156/ Bonhams, "Rolex Ref. 6511, 18ct gold, Glasgow import mark 1956, Bonhams lot 156", Bonhams, 2004-11-23]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-35/lot-220 Monaco Legend Auctions, "Rolex Ref. 6511, yellow gold on Jubilee, Monaco Legend Exclusive Timepieces 35 lot 220", Monaco Legend Auctions, 2024-10-19]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-31/lot-22 Monaco Legend Auctions, "Rolex Ref. 6511, yellow gold, Monaco Legend Exclusive Timepieces 31 lot 22", Monaco Legend Auctions, 2023-04-22]
* [https://www.monacolegendauctions.com/auction/exclusive-timepieces-35/lot-110 Monaco Legend Auctions, "Rolex steel Day-Date prototype sold as Ref. 6511 (ex-Goldberger), Monaco Legend lot 110", Monaco Legend Auctions, 2024-10-19]
* [https://www.collectorsquare.com/en/watches/rolex/day-date/ref-rolex-6511/lpi Christie's, "Rolex Ref. 6511, pink gold black tropical dial, Christie's Watches Online Geneva", Christie's, 2021-11-16]

[[Category:Day-Date]]
[[Category:working-draft]]
[[Category:References]]

Reference:6510

2026-06-29T01:22:54Z

Admin: SEO: clickable title + og:image + timestamps

{{DISPLAYTITLE:Rolex 6510 Day-Date}}
{{#seo:
|title=Rolex 6510 Day-Date — The Original 1956 Day-Date, Huguenin Patent, Jubilee Bracelet | BezelBase
|description=The 6510 is the first cataloged Day-Date — Basel 1956 launch, caliber 1055, 36mm 18k gold Oyster on Jubilee bracelet, smooth/domed bezel. Marc Huguenin's CH 322341A + CH 323982A patents for the day-of-week complication. Single-year run before the 6611 introduces the President bracelet in 1957.
|keywords=Rolex 6510, Day-Date, Huguenin patent, cal 1055, cal 1055B, Jubilee bracelet, Basel 1956, originals era, 6611, 6612, 6613, 6611B, 6612B, Microstella, SCOC
|image=Ref 6510 hero.webp
|image_alt=Rolex Day-Date 6510 / 6511 — the 1956 originals-era pair. The 6510 carries the smooth/domed bezel; the 6511 carries the fluted bezel that becomes the Day-Date signature.
|type=Article
|og_type=article
|published_time=2026-05-24T20:27:17Z
|modified_time=2026-06-29T01:21:32Z
|robots=index,follow,max-image-preview:large
}}

[[Reference:day-date|Day-Date]] -> '''6510'''

[[File:Ref 6510 hero.webp|thumb|right|250px|alt=Rolex Day-Date 6510 / 6511 — the 1956 originals-era pair. The 6510 carries the smooth/domed bezel; the 6511 carries the fluted bezel that becomes the Day-Date signature.|Rolex Day-Date 6510 / 6511 — the 1956 originals-era pair. The 6510 carries the smooth/domed bezel; the 6511 carries the fluted bezel that becomes the Day-Date signature.]]

The 6510 is the original Day-Date, the first wristwatch with the day of the week spelled out in full at twelve o'clock combined with the date at three. Marc Huguenin filed two related Swiss patents in 1955 covering the mechanism, with a 1950 priority filing as the architectural ancestor, and Rolex debuted the watch at the Basel Fair in 1956. The reference launches on the Jubilee bracelet. The President bracelet, the fitment that gives the line its modern nickname, arrives a year later in 1957 with the 6611. The "Presidential" nickname itself does not enter Rolex advertising until 1965-1966, when President Lyndon B. Johnson is photographed wearing a yellow-gold 1803 and Rolex builds the campaign around the image. Period 6510 retail marketing called the watch the "Day-Date" or the "Oyster Perpetual Day-Date", not the President. The 6510 sits chronologically before the political-watch-gift culture the Day-Date later anchors, and reads as a connoisseur reference rather than a status totem.

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 6510
|-
| family
| Day-Date
|-
| Swiss patents
| CH 322341A (instant-change date mechanism) + CH 323982A (Day-Date module), both filed by Marc Huguenin in 1955; 1950 priority filing covers the architectural ancestor
|-
| catalogue debut
| Basel Fair 1956
|-
| production
| 1956 to 1957 (single-year cataloged run; crosses into early 6611 production mid-1957)
|-
| movement
| caliber 1055 first-generation (7.0mm height, no Microstella, gradual midnight changeover, dial reads "Superlative Chronometer by Official Test" or "Officially Certified Chronometer")
|-
| case
| 36mm 18k yellow gold / 18k pink gold / 18k white gold Oyster (platinum is 6611+ territory; no documented platinum 6510)
|-
| crystal
| acrylic
|-
| bezel
| smooth / domed (the 6511 carries the fluted bezel)
|-
| bracelet
| Jubilee — the only Day-Date reference to launch on Jubilee
|-
| earliest documented serial
| 134,636 (Italy 1956 — dauphine hands, pointed baton markers, red date wheel)
|-
| predecessor
| none
|-
| successor
| 6511 (parallel launch, 1956-57) → 6611 (1957-59, with cal 1055B and SCOC dial)
|}

==Where it sits in the line==

The 6510 opens the Day-Date line at Basel 1956. The complication is the first of its kind on a wristwatch: day-of-the-week spelled out in full at twelve, date displayed at three. The Huguenin patent portfolio takes the Day-Date module from a 1950 priority filing through to two cataloged filings in 1955. Swiss patent CH 322341A covers the instant-change date jumper-and-cam mechanism that ratchets the date through midnight in a single impulse. Swiss patent CH 323982A covers the Day-Date module proper, with the seven-toothed star wheel sitting atop a 31-tooth calendar wheel ratcheted once every 24 hours at midnight. Both wheels advance from the main calendar pinion via concentric levers. The architecture stays in use across every subsequent Day-Date caliber, including the modern cal 3255 (out of scope) that closes the line's pre-2020 cataloged run.

The originals-era cluster (6510 / 6511 / 6611 / 6612 / 6613 / 6611B / 6612B) runs from 1956 through 1959 before the 1803 era replaces it. Within the cluster, the 6510 is the smooth-bezel original; the 6511 launches alongside with the fluted bezel that becomes the Day-Date signature; the 6611 in 1957 introduces the President bracelet and the upgraded cal 1055B; the 6612 is the smooth-bezel sibling of the 6611; the 6613 carries a factory gem-set bezel; the 6611B and 6612B are late-1958/1959 movement-plate-revision variants with a bridge plate approximately 0.1mm thicker than the standard 6611/6612.

The 6510 and 6511 are the only two references in the cluster to launch on the Jubilee bracelet and to wear the first-generation cal 1055 (7.0mm height, no Microstella, no COSC, gradual midnight changeover). The 6611 onward carries the President bracelet, the bracelet Rolex designed specifically for this reference and the canonical Day-Date fitment for seventy years, paired with the upgraded cal 1055B (7.1mm height, free-sprung Microstella balance, Breguet overcoil, COSC certified, the first reference of any Rolex line to carry the "Superlative Chronometer Officially Certified" dial designation).

==Production outline==

===Patent portfolio (1950-1955)===

A 1950 Swiss patent filing credited to Marc Huguenin (Rolex's day-date complication engineer) covers the architectural ancestor of the mechanism. Two cataloged 1955 filings, both with Huguenin as inventor, split the engineering. CH 322341A is the instant-change date: a cam-and-jumper architecture that snaps the date wheel through midnight in a single impulse, with a small auxiliary spring tensioned through the day and discharged at the trigger so the seconds train is not robbed of timekeeping. CH 323982A is the Day-Date module proper: a seven-toothed star wheel above a 31-tooth calendar wheel, advanced via concentric levers from the main calendar pinion.

The CH 322341A mechanism is the architectural ancestor of every Rolex date complication from 1955 forward and survives functionally into the cal 3255 of the modern Day-Date 40 / Day-Date 36 (out of scope). The CH 323982A module powers the Day-Date specifically. Both architectures are unique to Rolex through the production period and no record of Rolex litigating either patent has surfaced. Later day-date competitors (Mido, Enicar, Seiko 1959) use independently engineered modules, and the Huguenin patents appear to have functioned defensively rather than as litigation tools.

===Basel Fair launch (1956)===

Rolex debuts the 6510 and the parallel-launch 6511 at the Basel Fair in 1956. Both references carry the first-generation cal 1055: 25 jewels, 18,000 vph / 2.5 Hz, 28.50mm diameter, 7.0mm height, bidirectional perpetual rotor with red-anodised reversing wheels. The dial reads either "Superlative Chronometer by Official Test" or "Officially Certified Chronometer" at six o'clock; both lines appear on documented examples and they pre-date the formal SCOC dial designation. The day-disc carries five language options at launch (English, French, Italian, Spanish, German), the five major European retail markets where Rolex had distribution. The 26-language figure widely cited "from launch" is a retrospective conflation; the documented Rolex catalogue trail is 1963 = 11 languages, 1979 = 24, 1985 = 25, peak = 26 by the late 1980s.

The earliest documented case serial is 134,636, traced to an Italian 1956 delivery. The watch carries dauphine hands (replaced by alpha hands on later production), pointed baton markers (replaced by rectangular indices), and a red date wheel (replaced by black-on-white discs through standard production). Serial numbers below 134,636 are theoretically possible for late-1955 / very-early-1956 production but none have surfaced in the published auction record. The Italian retailer's name and subsequent ownership chain are not published in the documented sources.

===Bezel split (1956)===

The 6510 and 6511 launch in parallel as a bezel-finish pair. The 6510 carries a smooth or domed bezel in polished gold; specialist literature distinguishes "domed" from "smooth" by the degree of crown radius on the bezel face, with production-period 6510 bezels reading smooth-and-polished, sometimes with a subtle dome that catches reflected light. The 6511 carries the fluted bezel, the radial-flute pattern that becomes the Day-Date signature for the next seventy years.

===President bracelet introduction (1957, 6611)===
[[File:Ref 6510 6611 president bracelet.webp|thumb|right|300px|alt=Rolex Day-Date 6611 with the original 1957 President bracelet — three-link semi-circular construction, made by Gay Frères on contract to Rolex.|6611 with the original 1957 President bracelet — three-link semi-circular construction. The first reference to wear the bracelet Rolex designed specifically for the Day-Date.]]

The 6611 launches in 1957 with the first President bracelet: three-link semi-circular construction, made initially by Gay Frères on contract to Rolex (Rolex acquired Gay Frères in 1998). The President is the first bracelet Rolex designed specifically for a single reference and the first three-link semi-circular bracelet in the Rolex catalogue. Early-period President construction uses folded centre links with bark-textured or brushed accent, structurally distinct from the solid-link Presidents that arrive on later 1803 / 18038 production. The early clasp is a folded buckle-style closure with visible Rolex coronet signature. The hidden Crownclasp (concealed under a flip-down decorative cover) is a later 1803-era development and does not appear on production-period 6611s; concealed clasps fitted to documented 6611 / 6612 examples are service refits, not factory-original.

===Caliber upgrade (1957, cal 1055B)===

The 6611 also introduces the upgraded cal 1055B: 7.1mm height (0.1mm taller than the original cal 1055), free-sprung Microstella balance (the four-screw gold-mass adjustment on the balance rim that defines Rolex regulation through to the modern cal 3255), Breguet overcoil hairspring (Antiquorum's October 2002 Lot 37 essay confirms the construction), and COSC chronometer certification (the first Rolex reference of any line to carry it). The 6611's dial introduces the "Superlative Chronometer Officially Certified" four-line text block at six o'clock, the first SCOC dial designation across Rolex. Earlier 6510 / 6511 examples retain the pre-COSC "Superlative Chronometer by Official Test" or "Officially Certified Chronometer" lines.

A small number of transitional 6510 examples surface with the upgraded cal 1055B and the SCOC dial line. Phillips and Antiquorum essay tradition treats these as transitional builds where the reference case was already stamped 6510 but the movement and dial received the upgraded specification. Fewer than five are documented in the published auction record.

===Originals-era closeout (1958-1959)===

The 6611B and 6612B sub-variants surface in late 1958 and 1959 production. Italian Watch Spotter documents the distinction: "A very limited number of specimens of 6611 have a different bridge plate, 0.1mm thicker. These specimens can be recognized thanks to the specific reference 6611B and, for their extreme rarity, are highly sought after by collectors." The "B" suffix is a Rolex-internal mark for the bridge-plate variation. The external case stamping reads "6611", with "6611B" appearing in service paperwork and on the inner caseback. The 6612B carries the same bridge-plate variation on the smooth-bezel platform.

Production of the entire originals-era cluster ends in 1959 when the 1803 / 1804 / 1806 / 1807 / 1811 cluster, the 4-digit Day-Date era anchored by the 1803, takes over.

==Movement notes==

===Caliber 1055 first generation (6510, 6511)===

* 25 jewels
* 18,000 vph / 2.5 Hz
* 28.50mm diameter, 7.0mm height
* Self-winding bidirectional rotor with red-anodised reversing wheels
* Swiss lever escapement, Kif anti-shock
* Approximately 42-hour power reserve
* Day-and-date complications via Huguenin's CH 322341A + CH 323982A architecture
* Gradual midnight changeover. The early cal 1055 lacks sufficient stored torque to clear both day disc and date wheel through their full transitions instantly; the wheels settle into their new positions over a window stretching from approximately 11:50 PM to 12:10 AM. The mechanical issue is dual-load: storing enough torque in the day-and-date cam to clear two discs in one impulse stresses the mainspring, with the energy focused on triggering the midnight cam rather than on timekeeping.
* No hacking seconds. Hacking arrives across the 1500 family in 1972 on the cal 1556.
* No quickset. Date and day advance only by running hands through midnight.
* No Microstella balance, no COSC certification, no SCOC dial line.

===Caliber 1055B second generation (6611, 6612, 6613, 6611B, 6612B)===

* 25 jewels
* 18,000 vph / 2.5 Hz
* 28.50mm diameter, 7.1mm height (0.1mm taller than first-generation cal 1055)
* Self-winding bidirectional rotor with red-anodised reversing wheels
* Free-sprung Microstella balance: the four-screw gold-mass adjustment on the balance rim, first deployment on a Day-Date and the regulation system that defines modern Rolex through the cal 3255
* Breguet overcoil hairspring (Antiquorum October 2002 Lot 37 essay confirmation)
* COSC chronometer certified, first Day-Date generation and first Rolex reference of any line to carry it
* Dial designation "Superlative Chronometer Officially Certified" first appears on the 6611 dial
* Improved midnight changeover. The redesigned cal 1055B solves the cam-load issue by distributing the changeover energy throughout the day rather than concentrating it in the minutes immediately before midnight; the day-and-date transition becomes near-instantaneous rather than gradual.
* 6611B / 6612B variants carry a bridge plate approximately 0.1mm thicker than the standard cal 1055B; otherwise identical.

The cal 1055 / 1055B architecture is the founding day-date complication caliber and the architectural ancestor of every subsequent Rolex day-date movement. The lineage runs through cal 1555 (1959-c.1965, 1803 early), cal 1556 (c.1965-1977/78, 1803 late, hacking added 1972 mid-production), cal 3055 (1977-1988, 18038 era, single quickset, 28,800 vph), cal 3155 (1988-2019, 18238 / 118238 era, double quickset), cal 3156 (2008-2015, 218238 Day-Date II, 3155 scaled up), and (out of scope) cal 3255 from 2019.

==Dial map==

===Production-volume dials===

Silver, champagne, and black stick or baton indices on the 18k yellow gold case. Pink-gold and white-gold cases pair with appropriately-toned dials. The dial text reads "Rolex Oyster Perpetual" at the top, day-of-week in the cut-out at twelve in the full-word format Huguenin's patent introduced, the date window at three, and one of three chronometer designation lines near the bottom edge:

* "Superlative Chronometer by Official Test" — pre-SCOC, appears on early 6510 / 6511 examples
* "Officially Certified Chronometer" — pre-SCOC alternative, appears on 6510 / 6511 examples
* "Superlative Chronometer Officially Certified" — SCOC dial designation, first appears on the 6611 in 1957 and becomes the Rolex standard from that point forward

The chronometer-designation line is the single cleanest dial-side dating anchor for the originals-era cluster. The first two formats sit on 6510 / 6511 (cal 1055 first-generation); the third (SCOC) is the 6611 introduction.

===Earliest 6510 dial configuration (case 134,636)===

The earliest documented example carries pointed baton markers (replaced by rectangular indices on later production), dauphine hands (replaced by alpha hands on later production), and a red date wheel (replaced by black-on-white discs through standard production). Lume is radium; the 1962 tritium transition arrives on the 1803 generation, and no originals-era dial carries factory tritium.

===Black gloss dials===

Surface on 6611 and 6612 examples with applied gold indices. Less common on 6510 production. The black lacquer dial of the period uses radium-painted plots at the hour positions; oxidation produces honey or chocolate tropical patterns on some surviving examples, with genuine factory-tropical distinguished from sun-faded original via same-batch documentation.

===Diamond-set indices===

Documented on platinum 6612 / 6613 examples. The Phillips Glamorous Day-Date Lot 43 (8 May 2015) platinum-diamond 6612 carries 8 round-cut and 2 baguette-cut diamond hour markers, with the baguettes at six and nine o'clock. This is the headline cluster lot; see Auction record.

===Day-disc language variants===

The 1956 launch catalogue offered English, French, Italian, Spanish, and German, the five major European retail markets at launch. Dutch and Swedish surface on 6611 / 6612 production as mid-1950s additions. Arabic day discs surface on 6611 / 6612 production from approximately 1958, not on the 6510 / 6511 cluster directly; the 6612B "Lone Star" in platinum is the canonical Arabic-script originals-era piece, with platinum case, platinum President bracelet, and Arabic day-and-date inscriptions. The Arabic platinum configuration was acceptable in Islamic culture because the platinum case avoided the gold-on-men prohibition. Japanese, Chinese, Russian, Hebrew, and Greek discs are later additions, none documented on originals-era cataloged production.

Roman-alphabet day discs are the rule on the 6510 / 6511. Day-wheel swapping is endemic in the vintage market, and same-batch documentation distinguishes factory-original day discs from later-period service swaps; the language on a surviving 6510 should match the period catalogue retail market.

==Case, bezel, crystal, and crown notes==

36mm three-piece Oyster construction (case, screw-down crown, screw-down caseback). The 36mm Oyster envelope becomes the Day-Date standard for the next fifty-two years; the 1803, 18038, and 118238 all share the dimension. The 218238 Day-Date II breaks it in 2008 for the 41mm case.

===Case materials===

The 6510 ships in three 18k gold variants: yellow gold (production-volume), pink gold (uncommon), and white gold (rare). The pink-gold alloy of the period is the copper-heavy formula Rolex used internally before the modern Everose alloy (introduced 2005), approximately 75% gold, 22% copper, 3% silver. "Pink gold" and "rose gold" are used interchangeably in the period English literature; in Italian retail the alloy appears as "oro rosa."

Platinum 6510 is not documented in the published sources. Rolex Magazine's note that "the very first Day-Date came only in 18kt pink or yellow gold on a Jubilee" excludes both white gold and platinum for the original 1956 launch, though white-gold examples surface in later 6510 production. The platinum slot opens with the 6611 / 6612 / 6613 cluster in 1957. The canonical platinum originals-era reference is the 6612 (Phillips Glamorous Day-Date Lot 43, 8 May 2015, sibling to the example in Goldberger's ''100 Superlative Rolex Watches'').

===Caseback===

Screw-down. Inside the caseback, Rolex stamped the reference number "6510" plus quarter-year Roman-numeral lot codes that date the caseback's manufacturing run. Outer casebacks are plain gold on civilian production; presentation engravings are owner-added.

===Bezel===

Smooth or domed on the 6510, in polished 18k gold matching the case material. The fluted bezel that defines the modern Day-Date silhouette is the 6511's signature in the parallel-launch pair. Specialist literature distinguishes "domed" from "smooth" by the degree of crown radius on the bezel face; production-period 6510 bezels read smooth-and-polished, sometimes with a subtle dome that catches reflected light.

===Crown===

Twinlock screw-down, the standard sport-line crown architecture the 6510 shares with the Submariner, GMT-Master, and Datejust siblings of the period.

===Crystal===

Acrylic. Sapphire-crystal Day-Dates do not arrive until the 18038 in 1977.

==Bracelet==

The 6510 launches on the Jubilee bracelet: five-link semi-circular construction made by Gay Frères on contract to Rolex. The Jubilee was Rolex's house luxury bracelet from 1945, originally introduced for the 4467 Datejust anniversary reference, and by 1956 was the canonical luxury fitment across the Datejust and the new Day-Date. The Day-Date launch on Jubilee is consistent with mid-1950s Rolex's broader bracelet allocation: Datejust on Jubilee, Submariner on Oyster rivet, Day-Date on Jubilee.

The President bracelet, Rolex's first three-link semi-circular bracelet and designed specifically for the Day-Date, arrives a year later in 1957 with the 6611. The 6510 is the only Day-Date reference to predate the President bracelet. From the 6611 forward, every cataloged Day-Date wears the President as the canonical fitment.

Documented 6510 examples occasionally appear on later President bracelets; these are service refits or owner-led modifications. Period-correct 6510 fitment is the Jubilee. Clasp date codes inside the Jubilee clasp leaf are the dating anchor, and clasps far ahead or behind the case serial typically indicate later service-replacement bracelets.

==Auction record==

The originals-era cluster's two headline lots sit on different sub-references but both inform the 6510 collector market.

===Phillips Glamorous Day-Date, Geneva, 8 May 2015, Lot 43===

Platinum diamond-set 6612, c.1958. One of two known platinum 6612s with consecutive case numbers; the sibling is documented in John Goldberger's ''100 Superlative Rolex Watches'' (Damiani Editore, 2008, ISBN 9788862080194). Dial carries 8 round-cut and 2 baguette-cut diamond hour markers, with the baguettes at six and nine o'clock. Estimate CHF 100,000-200,000; hammer CHF 473,000. The headline result for the originals-era cluster and the lot that re-anchored the cluster market in the modern auction cycle.

===Phillips Glamorous Day-Date, Geneva, 8 May 2015 (separate lot)===

6511 in 18k yellow gold, c.1955, complete with guarantee, wallet, and box. Estimate USD 20,000-40,000; hammer above USD 205,000. The most-cited 6511 lot result in the cluster market, and it informs the 6510 by adjacent reference.

===Antiquorum Geneva, Exceptional Horological Works of Art, 19 October 2002, Lot 37===
[[File:Ref 6510 ecole horlogerie 6611 steel.webp|thumb|right|300px|alt=Rolex Day-Date 6611 in stainless steel — the École d'Horlogerie de Genève prize-watch run. Caseback engraved "Ecole d'Horlogerie de Genève – 1963" with the Rolex crown. One of only six such steel 6611s produced.|6611 steel — École d'Horlogerie de Genève prize watch, c.1959, caseback engraved 1963. Antiquorum Geneva, 19 October 2002, Lot 37 — CHF 50,600 hammer against CHF 25-30k estimate.]]

6611 stainless steel, École d'Horlogerie de Genève prize watch. Caseback engraved "Ecole d'Horlogerie de Genève – 1963" with the Rolex crown logo. The lot is one of only six stainless-steel Day-Dates Rolex ever produced, a marketing-test run donated as prize watches to top École d'Horlogerie graduates, with the school distribution completed by 1963 (hence the engraving year). The lot card lists "circa 1959" for case production with the 1963 engraving for the school dedication; caliber listed as "1556, 26 jewels, Breguet balance spring" (a known Antiquorum cataloguing imprecision, since the underlying movement is the cal 1055B with Breguet overcoil and free-sprung Microstella). 36mm tonneau case fitted to a stainless-steel Oyster bracelet. Estimate CHF 25,000-30,000; hammer CHF 50,600. Only one of the six École d'Horlogerie steel 6611s has surfaced publicly. The other five sit in private collections or family-inheritance chains; the school's graduate records would identify the six recipients but are not public.

===Auction context for 6510 specifically===

Direct 6510 auction lots are uncommon in the major-house catalogue track because surfaced examples are rare and many transactions sit in private retail. The 6510's market value in the modern collector cycle (2025-2026) is derived from cluster comparables rather than direct lot history. Verified period production runs in low numbers; Goldberger omitted the originals-era cluster from later editions of his ''100 Superlative Rolex Watches'' because clean examples were too rare to source, and the cluster as a whole sits as a connoisseur-tier category rather than a high-volume traded segment.

==Originals-era cluster — complete sub-reference roster==

{| class="wikitable"
|-
! Reference
! Period
! Bezel
! Bracelet
! Movement
! Notes
|-
| '''6510'''
| 1956–57
| smooth / domed
| Jubilee
| cal 1055 (first generation, 7.0mm, gradual changeover, pre-SCOC dial)
| The original. Subject of this article. Earliest documented case 134,636.
|-
| '''6511'''
| 1956–57
| fluted
| Jubilee
| cal 1055 (first generation)
| Parallel-launch sibling. Carries the fluted bezel that becomes the Day-Date signature. Phillips 2015 yellow gold lot above USD 205,000 anchor.
|-
| '''6611'''
| 1957–59
| fluted
| President (first reference)
| cal 1055B (Microstella + COSC, 7.1mm)
| First Day-Date on the President bracelet. First Rolex reference of any line with "Superlative Chronometer Officially Certified" dial designation.
|-
| '''6612'''
| 1957–59
| smooth
| President
| cal 1055B
| Smooth-bezel sibling of the 6611. Phillips 2015 Lot 43 platinum diamond CHF 473,000 anchor.
|-
| '''6613'''
| 1957–59
| factory diamond
| President
| cal 1055B
| Factory diamond-set bezel sub-reference.
|-
| '''6611B'''
| 1958–59
| fluted
| President
| cal 1055B with 0.1mm-thicker bridge plate
| Late variant of the 6611. Movement-plate revision; external case stamped "6611".
|-
| '''6612B'''
| 1958–59
| smooth
| President
| cal 1055B with thicker bridge plate
| Late variant of the 6612. The "Lone Star" Arabic-script platinum sub-variant sits in this slot.
|}

No 6614 or 6615 has surfaced in the published auction record or the Rolex reference ledger. The cluster cleanly stops at 6613, with the B-suffix bridge-plate variations as the further differentiation. The numbers may have been reserved by Rolex but never released; the 1803 / 1804 / 1806 / 1807 / 1811 cluster replaces the originals era from 1959 onward.

==The "Presidential" nickname — origin and dating==

At launch the 6510 was simply the Day-Date. Period 1956 Rolex marketing called it the "Day-Date" or the "Oyster Perpetual Day-Date." The bracelet introduced in 1957 with the 6611 was called the President from the start, but the watch's "Presidential" framing emerges only in the mid-1960s.

The canonical transfer event is Lyndon B. Johnson's documented wearing of a yellow-gold 1803 across his presidency (1963-1969). Rolex's first advertising as "the President's watch" or "the President" dates to a 1965-1966 campaign built around the LBJ image, eight years after the 6611 launched the bracelet. From that point the nickname becomes catalogue shorthand; by the 1970s it is the canonical name for the Day-Date 36mm reference.

The 6510 / 6511 / 6611 sit chronologically before the LBJ campaign and before the political-watch-gift culture the Day-Date later anchors. Period retail framing for these references is connoisseur horology: chronometer-certified, full day-of-week-spelled-out wristwatch. The "Presidential" framing is retrospective when applied to the originals-era cluster.

==Documented historical wearers==

Direct primary documentation of originals-era cluster ownership is thin; most "head of state Rolex" claims attach to later 1803 / 18038 production when the President silhouette was already established.

* Dwight D. Eisenhower. Eisenhower's canonical Rolex is the Datejust 6305 gifted 19 December 1950 / received 1951 by René-Paul Jeanneret of Rolex Geneva, marking the 150,000th Rolex chronometer. The Day-Date launches in 1956, after Eisenhower already wore the Datejust. A claim circulates in collector community editorial that Rolex gifted Eisenhower a second watch (a Day-Date) to mark his 1956 re-election. The claim is not corroborated by Rolex archive documents or by the Eisenhower Presidential Library catalogue and should be flagged as contested folklore unless primary documentation surfaces.
* King Faisal ibn Abdulaziz Al Saud of Saudi Arabia. Linked in the collector tradition to Arabic-script Day-Dates including the 6612B "Lone Star" in platinum. The published King Faisal commissions in the auction record are primarily on Cellini 4112 and Cellini 3833 from the 1970s. A platinum 6612B Arabic dial in the Faisal circle from the late 1950s is plausible, given that the Arabic-script originals-era cluster sits in the Saudi royal family and Gulf state retail orbit through dealers like Asprey London and Geneva intermediaries, but the specific link is not directly documented in the published sources. Open question.
* Sukarno of Indonesia. Documented Rolex collector; Indonesian-language sources confirm Sukarno owned multiple Rolexes including Day-Date references. No published direct link between Sukarno and a 6510 / 6511 / 6611 with serial-number documentation. Sukarno's Day-Date ownership is most often attributed to early 1803 production, not the originals cluster.
* Pope Paul VI. Famously associated with a yellow-gold Day-Date during his pontificate (1963-1978). Reference attribution is most commonly the 1803, not an originals-era piece.

The originals-era cluster sits before the political watch-gift tradition the Day-Date later anchors. The 6510 / 6611 are connoisseur watches in 1956-1959, not yet status totems. The Presidential gift culture is built on the 1803 in the 1960s and 1970s.

==Print bibliography==

The principal print authorities on the Day-Date originals era:

* Mondani, Guido and Giorgia. ''Rolex Day-Date.'' Guido Mondani Editore, 2015. ISBN 9788894066951. 280 pages, 25.5 × 31.5 cm, multilingual (English / German / Italian). Limited edition 1000 copies. The first volume entirely dedicated to the Day-Date line.
* Gobbi, Paolo and Santinelli, Fabio. ''Day-Date — The Presidential Rolex.'' Spin Edizioni / Pucci Papaleo Editore, May 2015. 448 pages, 22 × 33 cm. 1000 original photographs, 160+ timepieces featured. Italian and English editions. Hardcover in slipcase.
* Goldberger, John. ''100 Superlative Rolex Watches.'' Damiani Editore, 2008. ISBN 9788862080194. Documents the sibling platinum 6612 to the Phillips Glamorous Day-Date Lot 43 example.

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://mondanibooks.com/rolex-day-date-history/ ''Rolex Day-Date Volume (Mondani Editore)'' — Mondani Family, Guido Mondani Editore]
* [https://www.puccipapaleo.com/bookstore/day-date/ ''Day-Date — The Presidential Rolex'' — Pucci Papaleo Editore, Spin Edizioni, 2015-05]
* [https://italianwatchspotter.com/the-history-of-the-rolex-day-date/?lang=en Italian Watch Spotter editorial, "The History of the Rolex Day-Date", Italian Watch Spotter]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]
* [https://acollectedman.com/blogs/journal/the-colourful-world-of-rolex-stella-dials A Collected Man editorial, "The Colourful World of Rolex Stella Dials", A Collected Man]
* [https://revolutionwatch.com/the-stella-revolution/ Revolution Watches editorial, "The Stella Revolution", Revolution Watches]
* [https://watchbase.com/rolex/caliber/1556 Watchbase editorial, "Rolex Caliber 1556 — Watchbase", Watchbase]
* [https://www.bobswatches.com/rolex-blog/resources/quickset-vintage-day-date-models.html Bob's Watches editorial, "Quickset Vintage Day-Date Models", Bob's Watches]
* [https://www.bobswatches.com/rolex-blog/resources/history-rolex-tiffany-dials Bob's Watches editorial, "History of Rolex Tiffany Dials", Bob's Watches]
* [https://www.rolexforums.com/showthread.php?t=11327271 Rolex Forums community, "Rolex Forums — 1803 Owners and Enablers Thread", Rolex Forums]
* [https://www.tapatalk.com/groups/vintagerolexforum/ Vintage Rolex Forum community, "Vintage Rolex Forum — 1803 Threads (Tapatalk index)", Vintage Rolex Forum (Tapatalk)]

[[Category:Day-Date]]
[[Category:working-draft]]
[[Category:References]]