A "v3" Cartier Privé Tank Cintrée replica is the third revision of a curved-case copy built by one of the larger replica factories, and the version number tells you more than any product photo does. V3 usually means a corrected case curve, a thinner profile, and cleaner dial printing than v1 or v2. It does not mean the watch is a Cartier. Buy it as a replica, wear it as a replica, and don't let a seller tell you it's anything else.
What the version number actually signals
Factories iterate without announcing it. A v1 case tends to sit too flat, the lugs look wrong, and the crystal stands proud of the bezel. V2 fixes the crystal and maybe the crown. V3 is where the case curve gets close and the dial print stops looking rolled on. None of that is a promise. Sellers relabel old stock as v3 all the time. Ask for the production date and photos of the actual unit, not factory renders.
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The case curve is the whole watch
The real Tank Cintrée arrived in 1921 with a case bent to follow the wrist, and that bend is the design. On a replica, run a straight edge along the caseback and sight down the length of the watch. The curve should be continuous, not a flat middle with two angled ends. Genuine Privé proportions are about 46 mm by 23 mm and a bit over 7 mm thick. If a seller quotes 8.5 mm or more, you are looking at an older or cheaper case.
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Dial, hands, and print
Check the Roman numerals first. The XII should be crisp, not blobby, and the minute track should be fine and even all the way around. The Cartier signature sits centered under the XII with even spacing on both sides. Blued steel hands should read dark blue, not purple, and they should reach the track without overhanging it. Cheaper copies use painted hands that look navy under direct light.
Fake Cartier Privé Tank Cintrée v7 Buying Guide
Movement and thickness
The genuine runs Cartier's in-house manual-wind calibre 9780 MC. That matters because the case is thin, and thin is hard to fake. A replica with an automatic rotor inside will be thicker and you can often hear the rotor spin. Hand-wound clones are the norm in a decent v3. Ask which movement is inside, ask for a photo with the caseback off, and check that winding feels smooth rather than gritty.
Crown, caseback, strap
The crown should carry a faceted blue cabochon set into a fluted crown. On replicas that stone is glass or dyed spinel, and it looks flat and plasticky in person. Caseback engraving should be shallow and sharp, not fuzzy at the edges. Strap quality swings a lot. Most v3 examples ship with alligator-grain leather that is not alligator, which is fine for the money but worth knowing.
How I would shop one
- Ask for a video with the watch running, hands moving, and the crown being wound.
- Get a caliper measurement of the thickness. A seller who won't measure is hiding something.
- Compare the lug-to-lug length and the curve against a real Privé photo shot at the same angle.
- Skip anything advertised as "1:1 mirror" with no factory name attached. It means nothing.
- Confirm the return policy in writing before you pay.
The part buyers skip
Counterfeit watches are illegal to sell in the US and most of Europe, and an imported one can be seized at customs. You also can't resell it legally later, and no watchmaker owes you service on a copy. If that trade-off bothers you, put the money toward a Tank Must or an honest hommage instead. If it doesn't, at least go in knowing what you're buying and what it can't do.