Admin: Create Reference:18078 — yellow-gold bark-finish 5-digit Day-Date (cal 3055, écorce bezel + centre links); successor to 1807; wood/stone/Stella/Khanjar dials, 12 sources, 3 images

2026-06-16T02:50:28Z

Create Reference:18078 — yellow-gold bark-finish 5-digit Day-Date (cal 3055, écorce bezel + centre links); successor to 1807; wood/stone/Stella/Khanjar dials, 12 sources, 3 images

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{{DISPLAYTITLE:Rolex Day-Date 18078}}
{{#seo:
|title=Rolex Day-Date 18078 — The Bark-Finish President
|titlemode=replace
|keywords=Rolex 18078, Day-Date 18078, bark finish Day-Date, écorce, yellow gold President, caliber 3055, wood dial Day-Date, 5-digit Day-Date
|description=The Rolex 18078 is the yellow-gold bark-finish (écorce) 5-digit Day-Date President — caliber 3055, sapphire crystal, circa 1977-1988. The scarce 5-digit successor to the 4-digit bark 1807, collected as a bark case paired with wood, stone, Stella or Khanjar dials.
|image=Ref 18078 hero.webp
}}
<small>[[Reference:day-date|Day-Date]] → '''18078'''</small>

The 18078 is the bark-finish Day-Date of the sapphire-crystal era, the 5-digit successor to the 4-digit bark [[Reference:1807|1807]]. It is a yellow-gold President whose bezel and bracelet centre links carry the coarse vertical "bark" texture, écorce in French, while the case flanks stay polished. Caliber 3055, sapphire crystal, made from the late 1970s to 1988. The bark drew few buyers when new and Rolex built it in small numbers, which makes it the scarcer of the 5-digit finishes today. The examples that command attention pair the bark case with an exotic dial: wood, hardstone, lacquered Stella, or an Omani Khanjar.

[[File:Ref 18078 hero.webp|thumb|right|260px|alt=Yellow gold Rolex Day-Date 18078 bark finish wood dial|Rolex Day-Date 18078 in yellow gold — the coarse bark (écorce) texture on the bezel and bracelet centre links, here with a burl-wood dial.]]

==Core facts==

{| class="wikitable"
|-
! detail
! value
|-
| reference
| 18078
|-
| family
| Day-Date
|-
| production
| circa 1977/78 to 1988
|-
| movement
| caliber 3055, 27 jewels, 28,800 vph, single quickset (date); sapphire era
|-
| case
| 36mm 18k yellow gold President
|-
| crystal
| sapphire
|-
| bezel
| bark (écorce) finish
|-
| bracelet
| President 8385 with bark-finished centre links, hidden Crownclasp, solid links
|-
| dial
| champagne and silver stick most common; wood/burl, hardstone, Stella, Roman, diamond-index, Khanjar
|-
| crown
| Twinlock screw-down
|-
| siblings
| 18038 (fluted), 18048 (diamond), 18079 (white-gold bark), 18039 / 18049 (white-gold fluted / diamond)
|-
| predecessor
| 1807 (4-digit bark)
|-
| successor
| caliber-3155 bark references (scarce)
|}

==Where it sits in the line==

The 18078 is the bark member of the first 5-digit Day-Date generation, the sapphire-crystal continuation of the bark thread that runs from the 4-digit [[Reference:1807|1807]]. The 5-digit references split by metal and finish: the [[Reference:18038|18038]] is the yellow-gold fluted volume reference, the [[Reference:18048|18048]] carries the diamond bezel, and the bark follows in yellow gold as the 18078 and in white gold as the 18079. The bark is the coarse, vertical, tree-bark texture, distinct from the finer cross-hatched Florentine of the 1806 and the watered moiré Morellis of the 1811. Everything behind the finish is 18038: the same case, caliber 3055, sapphire crystal and President bracelet. The bark never caught on the way the fluting did, so the 18078 is the scarcest of the standard 5-digit finishes, and the textured look that limited it when new is most of its appeal now.

==Production outline==

The 18078 ran from the late 1970s, when the 5-digit references took over with sapphire crystals and the caliber 3055, until 1988, when the caliber 3155 arrived. The bark finish continued in small numbers into the caliber-3155 era, but it is most associated with this 18078/18079 generation. No Rolex production figure has surfaced; the scarcity collectors cite is drawn from how rarely the reference appears rather than from any factory data. The bark sold slowly when new, which is precisely why it is uncommon today. Within the run the reference is a stable, single-spec watch, and its variety lives in the dial rather than in any change to the case or movement.

==Movement notes==

The 18078 runs the caliber 3055, the first quickset Day-Date movement: 27 jewels, 28,800 vph, with a date quickset from the crown. The day still has to be advanced by running the hands through midnight, since the day quickset did not arrive until the caliber 3155 in 1988. The movement is the shared sapphire-era Day-Date caliber, COSC-certified and identical to the one in the fluted 18038 and the diamond 18048; the bark changes the surface of the gold, not the watch underneath. The [[Reference:Movements]] page holds the caliber lineage, and the [[Reference:18038|18038]] entry covers the 3055 in detail.

==Dial map==
[[File:Ref 18078 tigereye.webp|thumb|right|250px|alt=Bark Rolex 18078 with tiger-eye dial|A bark 18078 with a tiger-eye hardstone dial — the textured case is collected as a pairing with an exotic dial.]]

The bark is the constant on the 18078; the dial is where the variety lives, and the most collected examples pair the textured case with an exotic dial. The common configuration is a champagne or silvered stick dial. Beyond that the reference is closely associated with wood and burl dials, birch, mahogany, walnut and burlwood, which suit the organic bark texture and are the signature pairing. Hardstone dials in onyx, tiger-eye and lapis appear from the early-1980s exotic-dial window, lacquered Stella colours such as burgundy and blue turn up with diamond markers, and Roman-numeral and diamond-index dials round out the range. A champagne 18078 carrying the Omani Khanjar emblem and an Arabic day disc documents the reference's reach into the Gulf special orders. The deep dial taxonomy that spans the President line sits on the [[Reference:1803|1803]] entry; on the 18078 the dial is the identity of the individual watch.

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

The case is the 36mm yellow-gold Oyster shared across the 5-digit Day-Date, with a sapphire crystal and Cyclops, a Twinlock screw-down crown and a screw-down caseback. The defining feature is the bark finish, a coarse vertical woodgrain worked into the bezel. The case flanks and lugs stay polished, so the texture reads as a deliberate band around the dial rather than an all-over treatment. The bark is coarser and more organic than the fine Florentine cross-hatch of the 1806 and unlike the rippled moiré of the 1811, the three textured finishes that Rolex offered across the President line.

==Bracelets, end links, and clasps==

The 18078 wears the President bracelet, reference 8385, with the concealed Crownclasp and the solid links of the 5-digit era. The bark carries onto the bracelet's centre links, so the texture runs from the bezel down the length of the bracelet rather than stopping at the case. That continuity is much of the reference's look, and a bark 18078 that keeps its original bark centre links rather than service-replaced plain ones is the complete expression of the watch. As with any President, a clasp date code dates the bracelet rather than the head, and the cross-family detail sits on [[Reference:Bracelets]].

==Special branches==

===Bark with an exotic dial===

The bark 18078 is collected as a case-and-dial pairing. The wood and burl dials are the signature, birch, mahogany and burlwood grounds that echo the bark texture, and they are the configurations the major houses catalogue most often. Hardstone dials in onyx and tiger-eye, lacquered Stella colours in burgundy and blue, and diamond-set dials all appear on the bark case. On a reference this scarce, the dial is what separates one 18078 from the next and what drives the result.

===The Omani Khanjar===
[[File:Ref 18078 khanjar.webp|thumb|right|250px|alt=Bark Rolex 18078 with Omani Khanjar emblem|A bark 18078 carrying the green Omani Khanjar emblem and an Arabic day disc — the textured case turned to a Gulf special order.]]

A bark 18078 with the green Omani Khanjar emblem and an Arabic day disc, catalogued by Phillips, places the reference in the Gulf special-order tradition alongside the platinum Arabic Day-Dates. It is the bark case turned to a Middle-Eastern commission, and a reminder that the textured references reached the same clientele as the platinum ones.

==Auction record==

The 18078 is thinly represented at the major houses, and where it appears the dial usually drives the lot rather than the bark head itself. Antiquorum sold a tiger-eye example in Hong Kong in 2015 for HKD 237,500 and an onyx example with a bark-and-diamond bezel in Geneva in 2016 for CHF 18,750. Sotheby's catalogued a burgundy-Stella diamond example in 2018, which went unsold, and a birch wood-dial example in 2023. A blue-Stella diamond 18078 in Hong Kong in 2024 shows the kind of result the special dials reach: the lot page reads unsold, while a Sotheby's editorial article records it selling for HKD 336,000. A plain champagne or silver bark 18078 sits at a more modest level, roughly the low-to-mid five figures in dollars, at or slightly below a comparable plain fluted 18038, with the textured look still a divisive, period-specific taste. The premium appears when the bark is paired with a wood, stone or Stella dial.

{| class="wikitable"
|-
! date
! house
! configuration
! result
|-
| 2015
| Antiquorum Hong Kong, lot 661
| tiger-eye dial
| HKD 237,500
|-
| 2016
| Antiquorum Geneva, lot 467
| onyx dial, bark-and-diamond bezel
| CHF 18,750
|-
| 2018
| Sotheby's Geneva, lot 223
| burgundy Stella diamond dial
| unsold
|-
| 2023
| Sotheby's Fine Watches, lot 205
| "Birch" wood dial
| published lot reference
|-
| 2024
| Sotheby's Hong Kong, lot 2106
| blue Stella diamond dial
| HKD 336,000 per Sotheby's editorial; lot page reads unsold
|}

==Sources==

* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://www.phillips.com/detail/rolex/CH080223/96 Phillips, "Rolex Ref. 18078 Day-Date, 18k yellow gold bark with Omani Khanjar emblem and Arabic day disc — Phillips Geneva Watch Auction XVIII, lot 96", Phillips, 2023]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-18078-18000-lot-292-661 Antiquorum, "Rolex Ref. 18078 Day-Date, 18k yellow gold bark with tiger-eye dial — Antiquorum Hong Kong, lot 661", Antiquorum, 2015]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-18078-18200-lot-299-467 Antiquorum, "Rolex Ref. 18078 Day-Date, 18k yellow gold bark-and-diamond bezel with onyx dial — Antiquorum Geneva, lot 467", Antiquorum, 2016]
* [https://www.sothebys.com/en/buy/auction/2023/fine-watches-4/reference-18078-day-date-bark-a-yellow-gold Sotheby's, "Rolex Ref. 18078 Day-Date "Birch", 18k yellow gold bark with birch wood dial — Sotheby's Fine Watches, lot 205", Sotheby's, 2023]
* [https://www.sothebys.com/en/buy/auction/2020/watches-online/rolex-ref-18078-18000-day-date-a-yellow-gold Sotheby's, "Rolex Ref. 18078/18000 Day-Date, 18k yellow gold bark with burl-wood dial — Sotheby's Watches Online, lot 118", Sotheby's, 2020]
* [https://www.sothebys.com/en/buy/auction/2024/important-watches-i-2/day-date-stella-reference-18078-a-yellow-gold-and Sotheby's, "Rolex Ref. 18078 Day-Date "Stella", 18k yellow gold bark with blue Stella diamond dial — Sotheby's Important Watches I, Hong Kong, lot 2106", Sotheby's, 2024]
* [https://www.sothebys.com/ Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's]
* [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://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://watchbase.com/blog/2015/02/21/rolex-day-date-history WatchBase editorial, "Rolex Day-Date History", WatchBase, 2015-02-21]
* [https://www.beckertime.com/blog/review-the-rolex-day-date-ref-18078/ BeckerTime editorial, "Review: the Rolex Day-Date Ref. 18078", BeckerTime]

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

Reference:18078 - Revision history

Admin: Create Reference:18078 — yellow-gold bark-finish 5-digit Day-Date (cal 3055, écorce bezel + centre links); successor to 1807; wood/stone/Stella/Khanjar dials, 12 sources, 3 images