Quick answer
A fake De Ville Trésor is a copy of the Omega De Ville Trésor dress watch. Replica sellers price them from about $30 to $400. A real Trésor is an 18K Sedna gold watch with an in-house manual movement. Copies use gold plating, a third party movement, and a case that does not match Omega tooling. No replica carries an Omega warranty or Omega service.
What the real De Ville Trésor is
Omega used the Trésor name in 1949 for a thin gold watch. The modern De Ville Trésor arrived in 2014. Omega lists a 40 mm case, Sedna gold, the Co-Axial calibre 8511, manual winding, a 60 hour power reserve, and magnetic resistance to 15,000 gauss. Sapphire crystal covers the dial and the case back. Several references use a textured dial. Omega sells the watch through boutiques and authorized dealers. Gold Trésor models list in the five figures in USD.
Replica tiers
- Entry: 39 mm case, quartz movement, gold tone plating, mineral glass. Price $30 to $70.
- Mid: automatic movement from Miyota or Seagull, sapphire crystal, case 1 mm to 2 mm thicker than the original. Price $140 to $260.
- Top: sellers advertise a decorated copy of the 8511 layout. Price $400 and up. The movement is not an Omega calibre. No Omega part fits it.
How copies differ from the real watch
- Gold: real cases are solid Sedna gold. Copies are steel with plating. Plating wears at the lugs and crown.
- Thickness: copies run 1 mm to 2 mm deeper on the wrist.
- Dial: printed texture replaces stamped texture. Logo spacing and font weight differ.
- Case back: engraving depth and serial number format do not match Omega records.
- Movement: the genuine 8511 is manual wind with a Co-Axial escapement. Most copies are automatic or quartz.
US law on counterfeit watches
US law treats counterfeit goods as illegal. 18 U.S.C. 2320 covers trafficking in counterfeit goods and sets criminal penalties. US Customs and Border Protection can seize and destroy shipments at the border. Personal use carries lower risk than resale. Import for resale and resale itself carry criminal exposure. Detailed seizure counts for watches are not published in a form we can cite here.
What a replica does not have
No copy has a serial number in the Omega database, a five year Omega warranty, or access to Omega service centers. Resale value on a replica sits near zero. A used genuine Trésor keeps part of its price. Buyers who want the case profile and the manual movement should compare a used genuine watch against a copy at the same budget.