A fake Cartier Tank copies the rectangular case and Roman numeral dial of the Cartier Tank but is not made by Cartier. Fakes sell for $20 to $400. Steel Cartier Tank Must models start near $3,000 at retail. The price gap is a signal, not proof.
Real Cartier Tank Details: How to Spot a Genuine One
Quick Checks
- Measure the case. Cartier publishes dimensions for each Tank line.
- Read the dial at 10x. Check the Roman numerals and the secret signature inside one numeral.
- Look at the crown cabochon. It sits in a smooth bezel and has a dome shape.
- Turn the watch over. Caseback engraving should be cut into the metal, not printed on a sticker.
- Ask which movement is inside. Tank Must and Tank Solo use quartz. Tank Louis Cartier uses a mechanical caliber.
Case and Dimensions
Cartier sells the Tank in several lines: Tank Must, Tank Solo, Tank Francaise, Tank Americaine, and Tank Louis Cartier. Each line has its own case size and thickness. A counterfeit operation often uses one case size for every model it sells. Measure with calipers and compare the result to the spec sheet for that reference.
Steel Tanks have a polished case with satin brancards on both sides. Gold Tanks carry hallmarks. Look for 750, 18k, and the French eagle head stamp. A brass case with gold color has no hallmarks, and the plating wears at the lugs and caseback edges.
Cartier Tank vs Fake: How to Tell a Real Tank From a Counterfeit
Dial Details
Cartier prints a secret signature in one numeral, most often the VII. The word CARTIER runs inside the numeral. The letters are small and the strokes are even. Fakes show smudged letters, uneven serifs, or the word in the wrong numeral.
Real Cartier Tank Features: How to Identify an Authentic Piece
Hands are sword shaped. They are not leaf shaped and not syringe shaped. Most Tank dials show hours and minutes with no seconds hand. A center seconds hand or a subdial on a Tank Must points to a fake or a redial.
Crown and Crystal
Cartier sets a blue cabochon in the crown. On steel models Cartier describes the stone as a synthetic spinel. On gold models it is a sapphire. Fakes use plastic or dyed glass, so the dome sits flat and the color reads gray blue. Modern Tanks use a sapphire crystal. Mineral glass scratches in weeks.
Movement
Tank Must and Tank Solo run on quartz. Tank Louis Cartier runs on a manual wind caliber. A quartz movement in a Tank Louis Cartier case is a mismatch. Many fakes use a generic automatic with a rotor stamped with a Cartier logo. Real Cartier movements show Geneva stripes and a signed rotor with correct engraving depth.
Caseback, Serial, and Papers
The caseback carries a reference number and a serial number. Both are engraved into the metal. A printed sticker or a white laser mark is a red flag. Cartier can check a serial at a boutique. A box, a warranty card, and a hologram prove nothing by themselves. Fake packaging sells online for $30.
Price Signals
- Under $500 for a new Tank with box and papers: counterfeit.
- $3,000 to $5,000 for a steel Tank Must: check the serial and the seller history.
- Gold Tank Louis Cartier models sell for $10,000 and up. A solid gold case cannot sell for $600.
Where Fakes Sell
Street markets, social media shops, and some marketplace listings. Listings that reuse Cartier press photos, show no serial photo, and state no returns are common sources of fakes.
Legal Note
In the United States, trafficking in counterfeit goods is a federal crime under 18 U.S.C. 2320. Customs and Border Protection can seize counterfeit watches at import. A buyer can lose the item and the money.
Best Test
Take the watch to a Cartier boutique or a watchmaker who services Cartier. Ask for a service estimate. Cartier does not service counterfeits. That answer settles the question.