Reference:16700: Difference between revisions

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{{DISPLAYTITLE:Rolex 16700 GMT-Master}}
{{DISPLAYTITLE:Rolex 16700 GMT-Master}}
{{#seo:
{{#seo:
|title=Rolex GMT-Master 16700 (1988–1998) — Production & Dial Guide | BezelBase
|title=Rolex GMT-Master 16700 (1988–1998) — Production & Dial Guide | BezelBase
|description=The 16700 is the last classic GMT-Master — the final reference with the synchronized "caller" 24-hour hand. 1988 to 1999, caliber 3175 31 jewels, Pepsi and black bezels only, Chuck Yeager / Real McCoy's 50-piece special edition.
|description=The 16700 is the last classic GMT-Master — the final reference with the synchronized "caller" 24-hour hand. 1988 to 1999, caliber 3175 31 jewels, Pepsi and black bezels only, Chuck Yeager / Real McCoy's 50-piece special edition.
|keywords=Rolex, 16700, GMT-Master, caller GMT, caliber 3175, Chuck Yeager, Real McCoys
|keywords=Rolex, 16700, GMT-Master, caller GMT, caliber 3175, Chuck Yeager, Real McCoys
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|og_type=article
|og_type=article
|published_time=2026-04-18T03:22:07Z
|published_time=2026-04-18T03:22:07Z
|modified_time=2026-06-29T01:17:08Z
|modified_time=2026-08-04T00:09:47Z
|robots=index,follow,max-image-preview:large
|robots=index,follow,max-image-preview:large
}}
}}
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<small>[[Reference:gmt-master|GMT-Master]] -> '''16700'''</small>
<small>[[Reference:gmt-master|GMT-Master]] -> '''16700'''</small>


The [[Reference:16700|16700]] is the last classic GMT-Master — the final reference with the synchronized "caller" 24-hour hand. Production ran 1988 to 1999 across the dominant editorial reading; the Vintage Rolex Field Manual closes the run at 1998 — minority view. Caliber 3175 is exclusive to this reference: 31 jewels, 28,800 vph, 48-hour reserve, hacking, quickset, adjusted to 5 positions and temperature, COSC. The 16700 ran in parallel with the GMT-Master II 16710 (1989–2007) for a decade. The Chuck Yeager / Real McCoy's 50-piece special edition (1997, caseback engraved "General Chuck Yeager, Bell X-1, October 14th 1947") is the principal collector branch.
The 16700 is the last classic GMT-Master, the final reference built around the synchronized "caller" 24-hour hand. Production ran from 1988 to 1999, and for most of that time the 16700 sat in the catalogue beside the GMT-Master II 16710 (1989–2007). Caliber 3175 was made for this reference and no other, running 31 jewels at 28,800 vph with a 48-hour reserve, hacking seconds, quickset date, adjustment to five positions and temperature, and COSC certification. The one branch with a market of its own is the Chuck Yeager / Real McCoy's special edition of 1997, fifty pieces with the caseback engraved "General Chuck Yeager, Bell X-1, October 14th 1947".


<span id="core-facts"></span>
<span id="core-facts"></span>
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== Where it sits in the line ==
== Where it sits in the line ==


The 16700 closes the original GMT-Master line — single hour hand mechanism, fixed 24-hour hand, one number. It follows the [[Reference:16750|16750]] and runs in parallel with the GMT-Master II [[Reference:16710|16710]] for a decade (1989 to 1999). After 1999 only the GMT-Master II line continues, eventually through the 116710LN and the current 126710 series. The 16700 is therefore both the final classic GMT and the only sapphire-crystal example of the classic synchronized-hand mechanism — that pairing anchors the reference's identity for the modern collector.
The 16700 closes the original GMT-Master line. One hour-hand mechanism, a 24-hour hand fixed to it, one reference number. It follows the [[Reference:16750|16750]] and ran alongside the GMT-Master II [[Reference:16710|16710]] from 1989 to 1999. After 1999 the catalogue carried only the GMT-Master II, through the 116710LN and on to the current 126710 series. That leaves the 16700 as the only sapphire-crystal watch built around the classic synchronized-hand mechanism, and for most buyers that pairing is the whole appeal.


<span id="caller-vs-flyer-gmt"></span>
<span id="caller-vs-flyer-gmt"></span>
=== Caller vs flyer GMT ===
=== Caller vs flyer GMT ===


The 16700 is a caller GMT. The 16760 (cal. 3085) and 16710 (cal. 3185 / 3186) are flyer GMTs. The terminology splits the GMT-Master family cleanly:
The 16700 is a caller GMT. The 16760 (cal. 3085) and the 16710 (cal. 3185 / 3186) are flyer GMTs, and the distinction splits the family cleanly.


* Caller GMT — main hour hand sets in one-hour clicks via the crown; 24-hour hand stays locked to the local hour hand and follows it. The second time zone is read by rotating the bidirectional 24-hour bezel. The 16700's "phone-callable" home base means rotating the bezel to a home-offset reading and glancing at the 24-hour hand for the time at home.
On a caller GMT the main hour hand sets in one-hour clicks from the crown and the 24-hour hand stays locked to it, following wherever it goes. The second zone is read off the bidirectional 24-hour bezel: rotate the bezel to the home offset, glance at the 24-hour hand, and the reading is the time at home. That is the phone call the name describes. On a flyer GMT the 24-hour hand turns once per day independent of the local hour hand, and the local hand jumps in one-hour increments without disturbing minutes or seconds. The traveller resets the local hand on arrival, the 24-hour hand keeps tracking home, and the bezel adds a third zone.
* Flyer GMT — 24-hour hand rotates once per 24 hours independent of the local hour hand. The local hour hand jumps in one-hour increments without disturbing the minutes or seconds. The wearer sets the local hour hand on arrival; the 24-hour hand keeps tracking home; a third zone reads off the bezel.


A specific subset of collectors chases the 16700 over the contemporary 16710 for the original travel logic. The linked-hand mechanism means the local hour hand jumps in one-hour steps when the date is advanced — the original GMT-Master operating feel from the 1950s preserved in a sapphire-crystal modern case.
Collectors who chase the 16700 over the contemporary 16710 are after the older travel logic. Because the hands are linked, the local hour hand steps forward whenever the date is advanced, which is the GMT-Master operating feel of the 1950s carried into a sapphire-crystal case.


<span id="production-outline"></span>
<span id="production-outline"></span>
== Production outline ==
== Production outline ==


Production began in 1988 — unanimous across the published literature. The end year is contested: most editorial and auction-house sources converge on 1999, while the Vintage Rolex Field Manual closes the run at 1998 — minority view. Late examples in the market circulate as "1998" or "1999" depending on papers dates rather than any agreed cutoff.
Every published account starts the run in 1988. The end year is where they split. Most editorial and auction-house coverage takes it to 1999; Colin A. White's ''The Vintage Rolex Field Manual'' (Morning Tundra) closes it a year earlier at 1998, and that reading stands alone. Late examples circulate in the market as 1998 or 1999 watches on the strength of their papers date, with no agreed cutoff behind either label.


Total production output is not published. Bonhams reads the 16700 as "notably fewer units produced than its counterpart [the 16710]"; Sotheby's says "smaller quantities despite its decade-long run". The 16700 is directionally rarer than the 16710, with no number to attach.
Rolex has never published an output figure. Bonhams describes "notably fewer units produced than its counterpart [the 16710]"; Sotheby's has it made in "smaller quantities despite its decade-long run". Directionally the 16700 is the rarer of the two, with no number to attach to that.


<span id="movement-notes"></span>
<span id="movement-notes"></span>
== Movement notes ==
== Movement notes ==


Caliber 3175 is the final GMT-Master movement — a one-reference caliber exclusive to the 16700. Specifications converge across the published literature and major-house lot catalogues: 31 jewels, 28,800 vph (4 Hz), 48-hour power reserve, hacking seconds, quickset date, Breguet hairspring, Glucydur balance with Microstella screws, Kif shock protection, COSC chronometer-rated, adjusted to 5 positions and temperature.
Caliber 3175 is the last GMT-Master movement and the only one Rolex built for a single reference. The specification is consistent across the published literature and the major-house lot catalogues: 31 jewels, 28,800 vph (4 Hz), 48-hour power reserve, hacking seconds, quickset date, Breguet hairspring, Glucydur balance with Microstella screws, Kif shock protection, COSC chronometer certification, adjusted to five positions and temperature.


The 3175 is the last fixed-GMT movement that did not have an independently adjustable GMT hand. The independently set GMT hour hand belongs to the 3085 (16760, 1983–1989) and the 3185 / 3186 (16710, 1989–2019) — not the 3175. Sotheby's collector guide line about an "independently adjustable flying GMT hand" on the 16700 is a published error rather than an interpretive contradiction; the 16700 caliber 3175 is unambiguously a caller GMT in every primary, secondary, and auction-house source surveyed.
What the 3175 lacks is an independently adjustable GMT hand. That belongs to the 3085 in the 16760 (1983–1989) and to the 3185 / 3186 in the 16710 (1989–2019). Sotheby's collector guide describes an "independently adjustable flying GMT hand" on the 16700; the line is an error in print, and every other documented account has the 3175 working as a caller GMT.


The lineage: 3175 supersedes the 3075 used in the 16750 and is the terminal "linked-hand" GMT caliber. Production span of the movement itself: 1988 to 1999, used exclusively in the 16700.
The 3175 supersedes the 3075 of the 16750 and ends the linked-hand GMT line. Its own production span, 1988 to 1999, is the 16700's.


A small open question on service-replacement patterns: Antiquorum Lot 88 explicitly recommends "an overhaul at buyer's expense," and Sotheby's Lot 10 notes "very minute corrosion spots" on the movement — together suggesting service intervention is common on late-1990s examples, but no surveyed source quantifies the rate at which Rolex service swapped a 3175 for a 3185 during overhaul. The 3175 is a one-reference caliber — movement parts were not shared with the parallel 16710, so a service swap would be a deliberate movement replacement rather than an incidental parts substitution.
Service history is worth checking on watches from the end of the run. Antiquorum Lot 88 recommends "an overhaul at buyer's expense" and Sotheby's Lot 10 records "very minute corrosion spots" on the movement, which together suggest intervention is common on late-1990s examples. How often Rolex service fitted a 3185 in place of a 3175 during an overhaul is not documented anywhere in print. Since the 3175 shared no parts with the parallel 16710, a swap of that kind would have to be a deliberate movement replacement.


<span id="dial-map"></span>
<span id="dial-map"></span>
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[[File:Ref 16700 black-branch.webp|thumb|right|280px|alt=Black-bezel 16700|Black-bezel 16700]]
[[File:Ref 16700 black-branch.webp|thumb|right|280px|alt=Black-bezel 16700|Black-bezel 16700]]


Glossy black with applied white-gold-surround indices is standard across the run. Two evolutions on the dial side and one factory-controversy.
Glossy black with applied white-gold-surround indices is standard across the whole run. What changes underneath is the date wheel, the lume compound, and a late dial subset collectors call the stick dial.


<span id="open-vs-closed-69-date-wheel"></span>
<span id="open-vs-closed-69-date-wheel"></span>
=== Open vs closed 6/9 date wheel ===
=== Open vs closed 6/9 date wheel ===


Open 6/9 date wheels — numerals on the date disc drawn with open loops — run through approximately 1992. Closed-style wheels after. The Field Manual records the cutoff. A late-serial 16700 presenting an open-6/9 wheel is a prompt to examine the dial and hands more carefully — service departments occasionally swapped date discs during movement work, and a disc that does not line up with the expected production year is one of the easier tells on an otherwise clean watch. Overlap at the boundary is plausible and no public Rolex service record pins the switchover to a month, so 1992 reads as a flag rather than a verdict.
Date discs with open-loop 6 and 9 numerals run to about 1992, closed-style wheels after that; the Field Manual records the cutoff. An open-6/9 wheel on a late-serial 16700 is a reason to look harder at the dial and hands. Service departments swapped date discs during movement work often enough that a disc out of step with the expected production year is one of the easier tells on an otherwise clean watch. Overlap at the boundary is likely, and no public Rolex service record pins the switchover to a month, so an off-year wheel prompts scrutiny without condemning the watch.


<span id="lume-transition"></span>
<span id="lume-transition"></span>
=== Tritium to Luminova / Super-LumiNova transition ===
=== Tritium to Luminova / Super-LumiNova transition ===


The lume transition runs from tritium ("SWISS T<25") to approximately 1997, then post-tritium luminescent compound thereafter. Two readings of the post-tritium compound surface in the literature: Sotheby's, and WatchBase read 1997 as the Luminova start, with Super-LumiNova following on later examples; Monochrome skips the Luminova step and has the watch move straight from tritium to Super-LumiNova in 1997. Both readings are in print from credible sources; neither has been overturned. Some Luminova examples carried over T<25-marked dial stock during the changeover.
Tritium dials, marked "SWISS T<25", run to about 1997. What replaced them is where the sources part. Sotheby's dates the Luminova start to 1997 with Super-LumiNova arriving on later examples; Monochrome skips the Luminova step entirely and moves the watch straight from tritium to Super-LumiNova in the same year. Both readings are in print from credible sources and neither has been overturned. Some Luminova examples went out on T<25-marked dial stock left over from the changeover.


For a late non-tritium 16700, the defensible collector position is "post-tritium luminescent" with a close look at the dial foot and lume colour. Buyers who want the question closed usually restrict themselves to early-1997 or earlier tritium dials, where both references agree.
For a late non-tritium 16700 the defensible collector position is "post-tritium luminescent", backed by a close look at the dial foot and the colour of the lume. Buyers who want the question settled stay with early-1997 or earlier tritium dials, where both sources agree.


<span id="stick-dial-late-examples"></span>
<span id="stick-dial-late-examples"></span>
=== "Stick" dial (late examples) ===
=== "Stick" dial (late examples) ===


A "stick" dial subset is mentioned in late-1990s Sotheby's listings — numerals only, no Roman numeral 6 or 9. Documented examples appear in 1991 Pepsi listings; the variant has not been mapped to a strict serial range.
Sotheby's listings from the late 1990s use "stick" for a dial subset carrying numerals only, with no Roman 6 or 9. Documented examples go back to 1991 Pepsi listings. Nobody has mapped the variant to a serial range.


<span id="case-bezel-crystal-and-crown"></span>
<span id="case-bezel-crystal-and-crown"></span>
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[[File:Ref 16700 pepsi-bezel.webp|thumb|right|280px|alt=Pepsi bezel close-up|Pepsi bezel close-up]]
[[File:Ref 16700 pepsi-bezel.webp|thumb|right|280px|alt=Pepsi bezel close-up|Pepsi bezel close-up]]


The case is the familiar 40mm steel Oyster of the late five-digit period. Sapphire crystal with Cyclops over the date separates the 16700 immediately from the acrylic 16750 it replaces. The 100m water-resistance rating is unchanged from the 16750. The 16700 is the only sapphire-crystal example of the original synchronized-hand GMT-Master mechanism — that combination is the reference's mechanical identity.
The case is the familiar 40mm steel Oyster of the late five-digit period, rated to 100m as the 16750 was. The visible break with the 16750 is the crystal: sapphire with a Cyclops over the date where the older reference had acrylic.


The bezel is bidirectional 24-hour aluminium insert in two factory configurations: Pepsi (red/blue) and all-black. Pepsi dominates the surviving population. Coke (red/black) is not a standard 16700 option — Bob's Ultimate Guide explicitly says the Coke "appears on some examples but was not a standard option" and these are aftermarket or service swaps. The factory Coke is a 16710 / 16760 trait; do not promote Coke as a 16700 branch.
The bezel is a bidirectional 24-hour aluminium insert, catalogued in two colourways, Pepsi in red and blue and all-black. Pepsi dominates the surviving population. Coke inserts in red and black do turn up on 16700s, but the configuration was never catalogued for the reference, so those are aftermarket fittings or service swaps. Factory Coke belongs to the 16710 and the 16760.


<span id="bracelets-end-links-clasps-and-packaging"></span>
<span id="bracelets-end-links-clasps-and-packaging"></span>
== Bracelets, end links, clasps, and packaging notes ==
== Bracelets, end links, clasps, and packaging notes ==


Period-correct delivery is the Oyster 78360 with 501 (early) or 580 (mid-run) end-links and a folding clasp through most of the production window. Bonhams Lot 4 (1988) carries a 78360 Oyster with signed folding clasp stamped RS11 (the RS11 clasp code is unusual; most published examples use 580 / 501).
Period-correct delivery through most of the production window is the Oyster 78360 on a folding clasp, with 501 end-links early and 580 from mid-run. Bonhams Lot 4, a 1988 watch, carries that bracelet with a signed folding clasp stamped RS11, an unusual code.


Later production transitions to the Oyster 78790A with Oysterlock, documented on late-1990s examples across the published literature. The Jubilee 62510H with 502B end-links was the optional dressy fitment.
Late production moves to the Oyster 78790A with Oysterlock, documented on late-1990s examples across the published literature. The Jubilee 62510H on 502B end-links was the dressier option.


Antiquorum Lot 88 (Geneva June 2020) documents a 1996 head with a 93150/501B Oyster bracelet. The 93150 is a service or later replacement reference — it became standard on the 16710 — so the bracelet on that lot is service-era rather than original delivery. Period-correct mapping for the article: Oyster 78360 with 501 / 580 end-links throughout the early-to-mid run, Oyster 78790 from late production; 93150 fittings are service-era.
Antiquorum Lot 88 (Geneva, June 2020) documents a 1996 head on a 93150/501B Oyster bracelet. The 93150 is a service or later replacement reference that became standard on the 16710, so on a 16700 it points to a service-era fitment.


<span id="chuck-yeager-real-mccoys-special-edition"></span>
<span id="chuck-yeager-real-mccoys-special-edition"></span>
== Chuck Yeager / Real McCoy's special edition ==
== Chuck Yeager / Real McCoy's special edition ==


A 50-piece special edition of the 16700 was produced in 1997 by The Real McCoy's (the Japanese vintage-clothing reissue brand) with caseback engraving "General Chuck Yeager, Bell X-1, October 14th 1947, [n]/50, The Real McCoy's." The reference commemorates Yeager's October 1947 supersonic flight in the Bell X-1. Three independent auction-house lots document the branch:
A 50-piece special edition of the 16700 was produced in 1997 by The Real McCoy's, the Japanese vintage-clothing reissue brand, with the caseback engraved "General Chuck Yeager, Bell X-1, October 14th 1947, [n]/50, The Real McCoy's." It commemorates Yeager's supersonic flight in the Bell X-1 in October 1947. Three auction-house lots document the run: Bonhams sold No. 14/50, case U443556, as a full set on 24 November 2018; Phillips Hong Kong XI offered No. 21/50, case U453541, on 28 November 2020 with an estimate of HK$ 120,000–250,000; and Sotheby's Hong Kong Important Watches catalogued a c.1999 example, case A245609, in 2019 at HK$ 160,000–320,000.


* Bonhams Lot 969 (24 November 2018) — No. 14/50, case U443556, full set, incl. premium.
Antiquorum catalogued a 16710 Real McCoy's in its Monaco sale of 16 July 2017. That watch belongs to the same limited-edition programme but is not a 16700.
* Phillips Hong Kong XI Lot 862 (28 November 2020) — No. 21/50, case U453541, est. HK$ 120,000–250,000.
* Sotheby's Hong Kong Important Watches 2019 Lot 2023 — c.1999, case A245609, est. HK$ 160,000–320,000.
 
Antiquorum also catalogued a 16710 Real McCoy in the Monaco 16 July 2017 sale — a cross-reference for the LE program but not a 16700 lot.


<span id="historical-market-and-auction-record"></span>
<span id="historical-market-and-auction-record"></span>
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|}
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The 16700 trades as a usable late-vintage GMT-Master, not an auction trophy. Pepsi side carries the classic family look and commands the stronger general-market premium; the black bezel attracts a narrower collector audience that values the quieter late-run alternative. Standard examples cluster GBP 8,000–15,000 / CHF 8,000–15,000 across the major houses depending on dial generation, lume status, and paperwork. The Chuck Yeager / Real McCoy's special edition sits in its own tier above the standard market — the three documented lots all clear well above HK$ 100,000.
The 16700 trades as a watch people wear. Pepsi carries the family look and the stronger general-market premium; the black bezel draws a narrower audience that wants the quieter version. Standard examples cluster around GBP 8,000–15,000 and CHF 8,000–15,000 at the major houses, moving on dial generation, lume status, and paperwork. The Chuck Yeager / Real McCoy's edition sits in a tier of its own, with all three documented lots clearing well above HK$ 100,000.
 


== Related references ==
== Related references ==

Latest revision as of 23:53, 9 August 2026


GMT-Master -> 16700

The 16700 is the last classic GMT-Master, the final reference built around the synchronized "caller" 24-hour hand. Production ran from 1988 to 1999, and for most of that time the 16700 sat in the catalogue beside the GMT-Master II 16710 (1989–2007). Caliber 3175 was made for this reference and no other, running 31 jewels at 28,800 vph with a 48-hour reserve, hacking seconds, quickset date, adjustment to five positions and temperature, and COSC certification. The one branch with a market of its own is the Chuck Yeager / Real McCoy's special edition of 1997, fifty pieces with the caseback engraved "General Chuck Yeager, Bell X-1, October 14th 1947".

Late Pepsi 16700
Late Pepsi 16700

Core facts

detail value
reference 16700
family GMT-Master (final reference of the original GMT-Master line)
production 1988 to 1999 (Sotheby's, Bonhams, Fratello consensus); Vintage Rolex Field Manual reads 1988 to 1998 — minority view
total examples no published Rolex production figure across any source. Bonhams describes it as "notably fewer units produced than its counterpart [the 16710]"; Sotheby's says "smaller quantities despite its decade-long run"
case 40mm steel Oyster
crystal sapphire with Cyclops over date
water resistance 100m
movement caliber 3175, 31 jewels, 28,800 vph, 48-hour reserve. COSC chronometer-rated, hacking, quickset date, Glucydur balance with Microstella screws, Breguet hairspring, Kif shock. One-reference-only caliber
GMT mechanic caller GMT — main hour hand sets in one-hour clicks, 24-hour hand stays linked to the local hour hand. Last GMT-Master with this synchronized layout
bezel bidirectional 24-hour aluminium insert. Pepsi (red/blue) and all-black are the only factory configurations. Coke (red/black) on a 16700 is not factory — aftermarket or service swap
bracelet Oyster 78360 with 501 / 580 end-links + folding clasp through most of the run; later Oyster 78790 with Oysterlock from late production; Jubilee 62510H with 502B optional
key identity last GMT-Master with linked-hand "caller" GMT logic; only sapphire-crystal example of that classic mechanism

Where it sits in the line

The 16700 closes the original GMT-Master line. One hour-hand mechanism, a 24-hour hand fixed to it, one reference number. It follows the 16750 and ran alongside the GMT-Master II 16710 from 1989 to 1999. After 1999 the catalogue carried only the GMT-Master II, through the 116710LN and on to the current 126710 series. That leaves the 16700 as the only sapphire-crystal watch built around the classic synchronized-hand mechanism, and for most buyers that pairing is the whole appeal.

Caller vs flyer GMT

The 16700 is a caller GMT. The 16760 (cal. 3085) and the 16710 (cal. 3185 / 3186) are flyer GMTs, and the distinction splits the family cleanly.

On a caller GMT the main hour hand sets in one-hour clicks from the crown and the 24-hour hand stays locked to it, following wherever it goes. The second zone is read off the bidirectional 24-hour bezel: rotate the bezel to the home offset, glance at the 24-hour hand, and the reading is the time at home. That is the phone call the name describes. On a flyer GMT the 24-hour hand turns once per day independent of the local hour hand, and the local hand jumps in one-hour increments without disturbing minutes or seconds. The traveller resets the local hand on arrival, the 24-hour hand keeps tracking home, and the bezel adds a third zone.

Collectors who chase the 16700 over the contemporary 16710 are after the older travel logic. Because the hands are linked, the local hour hand steps forward whenever the date is advanced, which is the GMT-Master operating feel of the 1950s carried into a sapphire-crystal case.

Production outline

Every published account starts the run in 1988. The end year is where they split. Most editorial and auction-house coverage takes it to 1999; Colin A. White's The Vintage Rolex Field Manual (Morning Tundra) closes it a year earlier at 1998, and that reading stands alone. Late examples circulate in the market as 1998 or 1999 watches on the strength of their papers date, with no agreed cutoff behind either label.

Rolex has never published an output figure. Bonhams describes "notably fewer units produced than its counterpart [the 16710]"; Sotheby's has it made in "smaller quantities despite its decade-long run". Directionally the 16700 is the rarer of the two, with no number to attach to that.

Movement notes

Caliber 3175 is the last GMT-Master movement and the only one Rolex built for a single reference. The specification is consistent across the published literature and the major-house lot catalogues: 31 jewels, 28,800 vph (4 Hz), 48-hour power reserve, hacking seconds, quickset date, Breguet hairspring, Glucydur balance with Microstella screws, Kif shock protection, COSC chronometer certification, adjusted to five positions and temperature.

What the 3175 lacks is an independently adjustable GMT hand. That belongs to the 3085 in the 16760 (1983–1989) and to the 3185 / 3186 in the 16710 (1989–2019). Sotheby's collector guide describes an "independently adjustable flying GMT hand" on the 16700; the line is an error in print, and every other documented account has the 3175 working as a caller GMT.

The 3175 supersedes the 3075 of the 16750 and ends the linked-hand GMT line. Its own production span, 1988 to 1999, is the 16700's.

Service history is worth checking on watches from the end of the run. Antiquorum Lot 88 recommends "an overhaul at buyer's expense" and Sotheby's Lot 10 records "very minute corrosion spots" on the movement, which together suggest intervention is common on late-1990s examples. How often Rolex service fitted a 3185 in place of a 3175 during an overhaul is not documented anywhere in print. Since the 3175 shared no parts with the parallel 16710, a swap of that kind would have to be a deliberate movement replacement.

Dial map

Black-bezel 16700
Black-bezel 16700

Glossy black with applied white-gold-surround indices is standard across the whole run. What changes underneath is the date wheel, the lume compound, and a late dial subset collectors call the stick dial.

Open vs closed 6/9 date wheel

Date discs with open-loop 6 and 9 numerals run to about 1992, closed-style wheels after that; the Field Manual records the cutoff. An open-6/9 wheel on a late-serial 16700 is a reason to look harder at the dial and hands. Service departments swapped date discs during movement work often enough that a disc out of step with the expected production year is one of the easier tells on an otherwise clean watch. Overlap at the boundary is likely, and no public Rolex service record pins the switchover to a month, so an off-year wheel prompts scrutiny without condemning the watch.

Tritium to Luminova / Super-LumiNova transition

Tritium dials, marked "SWISS T<25", run to about 1997. What replaced them is where the sources part. Sotheby's dates the Luminova start to 1997 with Super-LumiNova arriving on later examples; Monochrome skips the Luminova step entirely and moves the watch straight from tritium to Super-LumiNova in the same year. Both readings are in print from credible sources and neither has been overturned. Some Luminova examples went out on T<25-marked dial stock left over from the changeover.

For a late non-tritium 16700 the defensible collector position is "post-tritium luminescent", backed by a close look at the dial foot and the colour of the lume. Buyers who want the question settled stay with early-1997 or earlier tritium dials, where both sources agree.

"Stick" dial (late examples)

Sotheby's listings from the late 1990s use "stick" for a dial subset carrying numerals only, with no Roman 6 or 9. Documented examples go back to 1991 Pepsi listings. Nobody has mapped the variant to a serial range.

Case, bezel, crystal, and crown

Pepsi bezel close-up
Pepsi bezel close-up

The case is the familiar 40mm steel Oyster of the late five-digit period, rated to 100m as the 16750 was. The visible break with the 16750 is the crystal: sapphire with a Cyclops over the date where the older reference had acrylic.

The bezel is a bidirectional 24-hour aluminium insert, catalogued in two colourways, Pepsi in red and blue and all-black. Pepsi dominates the surviving population. Coke inserts in red and black do turn up on 16700s, but the configuration was never catalogued for the reference, so those are aftermarket fittings or service swaps. Factory Coke belongs to the 16710 and the 16760.

Bracelets, end links, clasps, and packaging notes

Period-correct delivery through most of the production window is the Oyster 78360 on a folding clasp, with 501 end-links early and 580 from mid-run. Bonhams Lot 4, a 1988 watch, carries that bracelet with a signed folding clasp stamped RS11, an unusual code.

Late production moves to the Oyster 78790A with Oysterlock, documented on late-1990s examples across the published literature. The Jubilee 62510H on 502B end-links was the dressier option.

Antiquorum Lot 88 (Geneva, June 2020) documents a 1996 head on a 93150/501B Oyster bracelet. The 93150 is a service or later replacement reference that became standard on the 16710, so on a 16700 it points to a service-era fitment.

Chuck Yeager / Real McCoy's special edition

A 50-piece special edition of the 16700 was produced in 1997 by The Real McCoy's, the Japanese vintage-clothing reissue brand, with the caseback engraved "General Chuck Yeager, Bell X-1, October 14th 1947, [n]/50, The Real McCoy's." It commemorates Yeager's supersonic flight in the Bell X-1 in October 1947. Three auction-house lots document the run: Bonhams sold No. 14/50, case U443556, as a full set on 24 November 2018; Phillips Hong Kong XI offered No. 21/50, case U453541, on 28 November 2020 with an estimate of HK$ 120,000–250,000; and Sotheby's Hong Kong Important Watches catalogued a c.1999 example, case A245609, in 2019 at HK$ 160,000–320,000.

Antiquorum catalogued a 16710 Real McCoy's in its Monaco sale of 16 July 2017. That watch belongs to the same limited-edition programme but is not a 16700.

Historical market and auction record

Sale Lot Year Serial Variant / config Hammer
Bonhams 25956/4 2020 R-serial 1988 Pepsi, 78360 / RS11 clasp GBP 10,687.50 incl. premium
Antiquorum Geneva 329-88 2020 T254282 1996 Pepsi delivered Dec 1996, full set with original Beyer receipt CHF 11,875
Sotheby's Geneva Important Watches 10 2019 T848499 c.1996 Pepsi, cal. 3175, with extra black bezel est. CHF 6,000–8,000
Sotheby's Fine Watches Online 417 2024 W752611 c.1995 Pepsi, faded bezel, tritium dial est. EUR 8,000–12,000
Bonhams 25232/969 2018 U443556 1997 Chuck Yeager / Real McCoy's No. 14/50, full set HK$ 106,250 incl. premium
Phillips Hong Kong XI 862 2020 U453541 c.1997 Chuck Yeager / Real McCoy's No. 21/50 est. HK$ 120,000–250,000
Sotheby's Hong Kong Important Watches 2023 2019 A245609 c.1999 Chuck Yeager / Real McCoy's est. HK$ 160,000–320,000

The 16700 trades as a watch people wear. Pepsi carries the family look and the stronger general-market premium; the black bezel draws a narrower audience that wants the quieter version. Standard examples cluster around GBP 8,000–15,000 and CHF 8,000–15,000 at the major houses, moving on dial generation, lume status, and paperwork. The Chuck Yeager / Real McCoy's edition sits in a tier of its own, with all three documented lots clearing well above HK$ 100,000.

Related references

See also the GMT-Master family index, movement reference, bracelet & clasp guide, and serial numbers by year.

Sources

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