Reference:18208

Day-Date › 18208

Rolex Day-Date 18208 in yellow gold — the plain, polished smooth bezel of the caliber-3155 generation, here with an onyx dial.

The 18208 is the smooth-bezel Day-Date of the caliber-3155 era: a 36mm yellow-gold President with a plain polished bezel and a movement that sets both the day and date from the crown. It ran from 1988 to about 2000 as the successor to the caliber-3055 smooth 18028. Dial configuration accounts for much of the visible variation.

Core facts

detail	value
reference	18208
family	Day-Date
production	1988 to about 2000
movement	caliber 3155, 31 jewels, 28,800 vph, double quickset (day and date), ~48h, COSC
case	36mm 18k yellow gold President
crystal	sapphire
bezel	smooth (plain polished)
bracelet	President 8385 with concealed Crownclasp; documented examples should be checked for link and clasp configuration
lume	tritium ("T SWISS MADE T") early, Luminova then Super-LumiNova near 2000
dial	champagne and silver stick most common; Roman, mother-of-pearl, stone, diamond-index, Arabic
crown	Twinlock screw-down
siblings	18238 (fluted), 18248 (bark), 18348 (diamond), 18209 (white-gold smooth), 18206 (platinum smooth, ice-blue)
predecessor	18028 (caliber-3055 smooth)
successor	118208 (6-digit smooth domed)

Where it sits in the line

The caliber-3155 Day-Date generation includes the fluted 18238, bark-finish 18248, diamond-set 18348 and smooth 18208. The white-gold smooth reference is the 18209, and the platinum smooth reference is the 18206 with its ice-blue dial. The 18208 shares the broad case and movement generation with the 18238, but dial, bezel, metal and service history still need to be checked on each watch.

Production outline

Production ran from 1988, when caliber 3155 replaced 3055 across the Day-Date line, until about 2000, when the six-digit smooth-bezel reference became the 118208. Rolex has released no production figure. Early examples carry tritium marked “T SWISS MADE T”; later examples use non-tritium lume, with the exact Luminova or Super-LumiNova changeover requiring watch-specific dating.

Movement notes

The caliber 3155 runs at 28,800 vph on 31 jewels, holds a roughly 48-hour reserve and is associated with COSC certification in the cited movement records; certification belongs to the individual movement and its papers. Its main change from the caliber-3055 18028 is double quickset, which sets both day and date from the crown. The 3155 is also used in the fluted 18238 and other Day-Date references. The Reference:Movements page holds the caliber lineage, and the 18238 entry covers the 3155 in detail.

Dial map

The cited 18208 record includes champagne or silvered baton dials, Roman numerals, mother-of-pearl, diamond-index and hardstone examples. Arabic-script dials also appear in broader Day-Date records, but their fitment to 18208 needs watch-specific evidence. The lacquered Stella dials associated with earlier Presidents should not be assumed to be factory 18208 configurations. The broader dial taxonomy sits on the 1803 entry.

• 
  Mother-of-pearl 18208 with Roman numerals.
• 
  Coral hardstone 18208, Antiquorum Geneva 2020.

Case, bezel, crystal, and crown

The case is the 36mm yellow-gold Oyster shared across the caliber-3155 Day-Date, with a sapphire crystal and Cyclops, a Twinlock screw-down crown and a screw-down caseback. The bezel is a plain, polished, gently domed gold ring, without the fluting, gem-setting or bark texture the other three references carry.

Bracelets, end links, and clasps

The 18208 wears the President bracelet, reference 8385, with the concealed Crownclasp and the solid links of the 5-digit era. A clasp date code dates the bracelet rather than the head, which may be older or newer than the band it sits on; the cross-family detail sits on Reference:Bracelets.

Special branches

Smooth-bezel branch

The 18208 carries forward the smooth-bezel format of the 18028, with the double quickset as its main functional change. The platinum 18206 is a separate material and dial branch, not a measure of every yellow-gold 18208.

Auction record

The cited auction record is small and includes a coral hardstone example. Those lots document specific configurations; they do not establish a current price band. Condition, dial originality, metal and provenance remain the relevant comparison points.

Related references

• Day-Date 18238, 1988–2000
• Day-Date 18248, 1988–2000
• Day-Date 18348, 1988–2000
• Day-Date 19018, Oysterquartz President, 1977–2001
• Day-Date 18028, 1977–1988
• Day-Date 18038, caliber 3055 President, 1977–1988

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

Gallery

• 
  Rolex Day-Date 18208
• 
  Mother-of-pearl dial
• 
  Coral hardstone dial

Sources

• The Vintage Rolex Field Manual — Colin A. White, Morning Tundra
• Bob's Watches, "Pre-Owned Rolex Day-Date 36 Ref. 18208, 18k yellow gold smooth bezel, onyx dial", Bob's Watches
• Antiquorum, "Rolex, Day-Date, Ref. 18208, coral dial, original box, warranty, yellow gold — Antiquorum Geneva, lot 546", Antiquorum, 2020
• Rolex Day-Date — Giorgia Mondani and Guido Mondani, Guido Mondani Editore
• Sotheby's editorial, "The Rolex Day-Date: A Complete Collector's Guide", Sotheby's
• Monochrome editorial, "In-Depth: The History of the Rolex Day-Date, The Presidential Watch", Monochrome Watches
• Fratello editorial, "Exploring Evergreens: The Rolex Day-Date 18238", Fratello Watches
• Italian Watch Spotter editorial, "The History of the Rolex Day-Date", Italian Watch Spotter
• SwissWatchExpo editorial, "Generations of the Rolex President Day-Date", SwissWatchExpo, 2024
• WatchBase, "Rolex caliber 3155 (registry page)", WatchBase
• WatchBase editorial, "Rolex Day-Date History", WatchBase, 2015-02-21
• Beckertime editorial, "Rolex Decades: The 90s Day-Date vs the 2000s Day-Date", Beckertime
• WatchGuys editorial, "Rolex Reference Numbers — year-by-reference lookup", WatchGuys