Answer first
A replica Vacheron Constantin Patrimony 81180 is a copy of a 40 mm dress watch from the Patrimony Contemporaine line. It is not a Vacheron Constantin product and carries no warranty from the brand. Listings on Chinese replica sites run from about $90 to $400. The genuine watch is 18k gold with a hand-wind movement. Most replicas use a plated steel case and an Asian automatic or hand-wind movement.
What the genuine 81180 is
Vacheron Constantin lists reference 81180 in the Patrimony Contemporaine range. Published details for the base variant:
- Case diameter 40 mm, thickness about 7.4 mm
- Calibre 1400, manual wind, small seconds at 6 o'clock
- 18k pink gold or white gold case
- Sapphire crystal and sapphire caseback
- Alligator strap with gold pin buckle
Reference 81180 covers more than one dial and case-metal option. Confirm the exact variant against the brand catalogue before you compare a listing.
Specs to check on a replica
- Thickness. The genuine case measures about 7.4 mm. Most replica cases measure 9 mm to 10.5 mm. Ask for a caliper photo.
- Movement. The genuine uses calibre 1400. Replica listings often name a 2824-2 clone. A hand-wind replica movement is a different part with no maker mark.
- Case metal. Replica cases are steel with gold plating. Most sellers do not state plating thickness in microns. Plating wear shows first at the lugs and the caseback rim.
- Crystal. Sapphire on the genuine. Many replicas use mineral glass, which scratches.
- Dial print. Check the sub-dial spacing, the marker finish and the position of the text above 6 o'clock.
- Caseback. Engraved on the genuine, not laser printed.
- Strap. Alligator on the genuine. Replica straps are calf leather with an embossed grain in most listings.
Price tiers
Low tier, about $90 to $150: steel case, mineral glass, printed caseback, unbranded automatic movement. Mid tier, about $180 to $280: sapphire crystal, engraved caseback, 2824-2 clone, better dial print. Top replica tier, about $300 to $400: closer case thickness, applied markers, sapphire on both sides. No tier makes the watch a Vacheron Constantin.
Legal facts for US buyers
Counterfeit watches are subject to seizure by U.S. Customs and Border Protection. Personal import of counterfeit goods is restricted, and a seized parcel is not returned to the buyer. Trademark counterfeiting is a federal offense under 18 U.S.C. 2320. Sellers change domains and payment routes, so a refund after seizure depends on the seller, not on law.
How to judge a listing
- Ask for photos of the actual watch, caseback and movement. Stock renders hide thickness.
- Ask for a caliper reading of case thickness in millimeters.
- Ask whether the crystal is sapphire or mineral glass.
- Ask for the seizure and refund policy in writing before payment.
- Compare the sub-dial position with a photo of the genuine dial.
What is not known
No public data covers replica output for this reference. Plating thickness, movement origin and water resistance are not stated with test data in most listings. Treat any depth rating on a replica as unverified.