What the Number 5710 Means
No Omega reference 5710 appears in the brand's current catalog. Vintage Omega used four-digit references from the 1940s through the 1970s, but 5710 is not a documented one. In replica listings, the number works as a seller code. It points to a case shape, a dial color, and a bracelet style. Ask the seller for the movement name and the case diameter before you read anything else.
Verdict First
Skip replica Omega watches. Three reasons. Import is illegal in the US. Resale value is zero. No repair shop stocks parts. A $120 replica of a $4,000 watch buys a watch with no service path.
What $80 to $400 Buys
- Movement: Miyota 8215, Seagull ST16, or a decorated 2824 clone. Rate accuracy runs 15 to 40 seconds per day.
- Case: 316L steel, 0.3 to 1.0 mm off genuine dimensions. Crown threads strip in 6 to 18 months.
- Plating: 3 to 5 microns of gold on two-tone models. Genuine uses 10 to 20 microns or solid gold.
- Lume: glows for 20 to 40 minutes. Genuine Super-LumiNova lasts 6 to 8 hours.
- Water resistance: sellers claim 50 to 100 m. No test data exists.
US Law
18 U.S.C. 2320 makes trafficking in counterfeit goods a federal crime. Penalties reach $2,000,000 and 10 years for a first offense. Customs and Border Protection seizes counterfeit shipments and notifies the trademark owner. The owner can then sue the buyer or seller for damages. Buying one watch for personal use rarely brings charges, but the shipment can be seized with no refund.
Options That Share the Look
- Pre-owned genuine Omega De Ville or Seamaster. Prices start near $900 for quartz, $1,800 for automatic.
- Homage brands that print their own name on the dial. Legal to buy and sell in the US.
- Tissot, Seiko, or Citizen dress watches. $200 to $500. Service centers exist.
Checks on a Used Genuine Omega
- Reference and serial on the caseback and the movement.
- Omega's online serial lookup, free and public.
- Service records with dates and parts.
- Caseback engraving depth and font weight.
One note: I cannot confirm that Omega ever issued a 5710 reference. If a seller claims a genuine lineage, ask for a catalog page or an extract from the Omega archives.