"Fake Cartier Tank 2370 v3" is an unofficial replica designation, not a Cartier reference number. Sellers use "2370" as an internal factory or batch code and "v3" to mark the third revision of that build. Cartier has never issued a Tank with the reference 2370, so the label describes a replica lineage rather than a real watch model.
Is 2370 v3 an official Cartier reference?
No. Cartier reference numbers for the Tank family use prefixes such as WSTA, WGTA, and CRW, and they appear on the caseback and the warranty card. A four-digit "2370" does not appear in Cartier catalogs or service documentation. Any listing that presents it as a factory reference is using marketing shorthand.
Fake Cartier Tank 2370 V9: The Ultimate Guide
Which Tank is the replica meant to imitate?
Most watches sold under this code copy the modern steel Tank Must in the large size, a quartz model with a rectangular case of roughly 33.7 by 25.5 mm. Earlier "2370" batches leaned toward the Tank Solo, which the Must replaced in 2021. Because the code is not standardized, two sellers can ship visibly different watches under the same name.
What changes between v1, v2, and v3?
- Case finishing: brushed flanks versus polished bevels, and the sharpness of the brancards.
- Dial printing: thickness of the Roman numerals, the secret signature inside the VII, and rail-track alignment.
- Cabochon: synthetic blue spinel versus glass, judged by color depth and setting height.
- Movement: quartz versus mechanical, with different noise and seconds-hand behavior.
- Bracelet and strap: end-link fit, quick-release spring bars, and stitching.
How do you tell a replica Tank from a genuine one?
Start with the caseback. Genuine Tanks carry crisp laser-etched reference and serial numbers that sit flush with the metal, while copies often show shallow engraving with rough edges. The blue cabochon on the crown should be a smooth, deep spinel on a real Cartier and is often dull or oversized on replicas. Weight, dial text sharpness, and crown feel are secondary tells that require handling both watches side by side.
What are the legal and practical risks?
Cartier is a protected trademark, and importing or selling counterfeits is illegal in the United States and the European Union. U.S. Customs and Border Protection can seize and destroy shipments of counterfeit watches, and the buyer absorbs the loss. Replicas also carry no warranty, cannot be serviced by Cartier, and hold no resale value.
Can Cartier service a replica?
No. Cartier service centers refuse counterfeit watches, and independent watchmakers may decline repairs when parts are not interchangeable with genuine components.
Frequently asked questions
Is 2370 v3 the same watch across sellers?
No. Each seller sources from a different workshop, so case proportions, dial font, and movement can differ under one label. Compare photos of the actual unit rather than the code.
Do replica Tank watches use real sapphire crystal?
Some do and many use mineral glass, which scratches and reflects light differently. Sellers rarely document the crystal, and the claim is hard to verify after purchase.
Why do sellers use version numbers?
Version labels suggest a controlled product line and justify price increases between batches. No seller publishes a verifiable change log, so the numbering is marketing, not quality assurance.
What should you check on the caseback?
Look for flush engraving, consistent font weight, a serial that matches the paperwork, and a reference format that exists in Cartier's catalog. Mismatched or invented references are the clearest sign of a replica.