Short answer
Fake vintage Vacheron Constantin watches come in three forms: new copies, re-cased movements, and re-dials on real cases. A real watch made before 1970 carries the name Vacheron & Constantin with an ampersand. The company dropped the ampersand in 1970. Movement numbers sit in the company archive, and Vacheron Constantin confirms them through its Extract from the Archives service. No archive record means no proof of origin.
Check the dial name and printing
- Dials from before 1970 read Vacheron & Constantin. Dials from 1970 on read Vacheron Constantin.
- A Vacheron Constantin dial on a 1950s case points to a replacement dial or a fake.
- Print sits flat and sharp. Fake print has thicker strokes and uneven letter spacing.
- Maltese cross logos on dials have four even arms. Bent arms or soft corners are wrong.
Check the case and hallmarks
- Swiss gold cases carry the 18K hallmark, the 750 stamp, and a maker mark. These marks are struck with a punch, not lasered. Lasered marks sit on top of the metal with a bright edge.
- Case backs on vintage pieces hold a case number. Stamp depth matches the period. Modern stamping on an old case is a warning.
- Gold-plated fakes weigh less than solid gold cases of the same size. Weigh the case against a documented example of the same reference.
Check the movement
Vintage Vacheron Constantin used in-house calibers and calibers from Jaeger-LeCoultre. Caliber 1003 arrived in 1955 and measures 1.64 mm thick. Caliber 1120 arrived in 1967 and came from the Jaeger-LeCoultre 920. Fakes hold generic Chinese movements, ETA movements, or quartz. Look at the finish: Geneva stripes, polished screw heads, chamfered bridges. The Geneva Seal has marked movements made in Geneva since 1886.
Reference numbers to know
- 4178: chronograph, 1940s, two registers.
- 6087: chronograph with cow-horn lugs, 1955.
- 222: steel sports watch, 1977, design by Jorg Hysek.
Checks before you buy
- Order the Extract from the Archives from Vacheron Constantin. It lists the date of manufacture, the case metal, and the dial type. A fee applies.
- Compare the movement number with the case number and the archive record.
- Ask for photos of the movement, the inside of the case back, and the hallmarks under magnification.
- Check auction results for the same reference. Public results show case size, metal, and price.
- Walk away from a seller who blocks the archive check.
Where fakes enter the market
Most new fakes are built in China and sold through social media and market sites. Sellers age the parts with acid and abrasive to copy decades of wear. A second group joins a real movement to a new case or a reprinted dial. These builds pass a quick look and fail an archive check. Auction houses and the manufacturer hold the records that settle the question.