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Omega De Ville Trésor: Specs, References, Prices | Ultimate Watch

The Omega De Ville Trésor is Omega's purest dress watch, a thin, clean, three-hand piece that trades sport-watch heft for a wrist presence you feel more than you see. The name Trésor, French for treasure, first appeared in 1949, when Omega used it for a slim gold gentleman's watch built around the hand-wound Calibre 30, the movement collectors still call one of the finest Omega ever made. Omega brought the name back in 2014 as a modern collection, and it now runs from 36mm ladies pieces to the 40mm steel and gold men's models that most collectors mean when they say De Ville Trésor. This is a watch that lives under a shirt cuff, not over a wetsuit. We buy and sell De Ville Trésor references every month at our counter on 47th Street, and we like it for a specific reason: it is one of the few genuine luxury dress watches you can own with a modern Master Chronometer or Master Co-Axial movement inside, and it still trades below Omega retail on the secondary market. That combination, real horology and a soft entry price, is rare, and it is exactly why a first-time buyer and a seasoned collector can both end up wanting the same reference.

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Specifications

CollectionOmega De Ville Trésor
TypeDress watch, three hands with date or small seconds depending on reference
Core Mens Model40mm De Ville Trésor
Case Sizes36mm and 39mm (ladies), 40mm (men's steel and gold)
Case Thickness40mm10.6mm on the 40mm steel Calibre 8910 model
Ladies Thickness8.85mm on 36mm cases, 9.75mm on 39mm cases
Case MaterialsStainless steel, Omega Sedna 18k gold, 18k yellow gold, 18k white gold; diamond-set bezels on select ladies references
CrystalDomed scratch-resistant sapphire crystal front, sapphire display caseback on the men's models
Water Resistance30 meters (3 bar), correct for a dress watch, not a swimmer
Movement Mens8910Omega Master Co-Axial Calibre 8910, manual-winding
Movement8511Omega Master Co-Axial Calibre 8511, manual-winding (2014 gold launch)
Power Reserve72 hours from twin barrels mounted in series (Calibre 8910)
Frequency25,200 vibrations per hour (3.5 Hz)
Balance SpringSilicon Si14 balance spring
AntimagneticResistant to magnetic fields of 15,000 gauss
CertificationMaster Chronometer certified by METAS, also COSC chronometer certified, on the current 8910 steel references; the 2014 8511 movement was Master Co-Axial and chronometer certified
DialsTextured (brass-stamped pattern) or plain lacquered dials in blue, white, silver, and other tones; 18k white gold applied indices and hands on the steel model
DateDate window at 6 o'clock on the date references; small seconds subdial on the small-seconds references
StrapLeather strap on a matching pin buckle; some ladies references on bracelet or fabric
Year Introduced1949 original; 2014 modern relaunch; 2019 steel 40mm
Reference Examples Steel435.13.40.21.03.001, 435.13.40.21.02.001, 435.13.40.22.01.001
Reference Examples Gold432.53.40.21.02.001 (18k yellow gold), 435.53.40.21.10.001 (yellow gold small seconds)

History

Iconic References

Buying Guide

Pricing & Market Data

Cultural Significance

Collector's Lore

The name is the whole point of the lore. Trésor, treasure, was never about the case; Omega coined it in 1949 for the movement inside, the Calibre 30, a hand-wound caliber that piled up chronometry honors and is still spoken about the way people talk about a great vintage engine. So when Omega revived the name in 2014 and again in steel in 2019, keeping the men's version hand-wound was not nostalgia for its own sake, it was Omega honoring the original promise that this watch is about the movement. Collectors also note the quiet flex in the spec sheet: a dress watch this thin has no business carrying a 15,000 gauss magnetic rating and a silicon balance spring, and the fact that it does is Omega refusing to treat formal as fragile. The under-radar reputation is real too. The Trésor does not get the room-clearing attention a Speedmaster or a Sub gets, and plenty of serious collectors quietly own one precisely because it flies under everyone else's radar. That is the treasure part working exactly as intended.

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