A replica Cartier Tank Allongée is a copy of the long, narrow Cartier Tank that the brand built during the 1970s, shaped to a case ratio of about 2:1 (height to width). Copies sold online fall into three groups: quartz versions under $150, automatic stainless steel builds from $150 to $400, and high-end "super clone" pieces at $400 to $1,000 and up. Case proportions and dial spacing decide whether a copy looks right, not the logo on the dial.
What defines the Tank Allongée shape?
Cartier stretched the classic Tank rectangle in the 1970s, which produced a slim case that sits long across the wrist. Vintage examples measure near 24 mm wide and 41 mm tall, though sizes shift from one reference to the next. Roman numerals stay tall and narrow to fill the extra height, and the vertical side rails (the brancards) carry most of the visual weight.
Makers who work from catalog photos get this wrong. They take a standard Tank case and pull it longer, which flattens the curve of the brancards, thins the lugs too much, and crowds the minute track against the numerals.
Replica quality tiers: what do you get at each price?
Budget builds (about $50 to $150)
Quartz movements, mineral glass, and plated brass or low-grade steel. The seconds hand ticks once per second instead of sweeping. Plating wears through at the lugs within months of regular wear, and the case often weighs under 40 grams with the strap attached.
Mid tier (about $150 to $400)
Automatic movements based on the ETA 2824 or Miyota 9015 pattern, 316L stainless steel, and sapphire crystal on the better examples. Dial printing improves, though Roman numerals can look thick next to a genuine dial. These cases take a polish and survive daily use.
High tier, or "super clone" ($400 to $1,000 and up)
Case dimensions matched to a real reference, a blue spinel cabochon instead of plastic, and decorated automatic calibers with a 28,800 vph beat rate. A detail worth knowing: 1970s Tank Allongée watches ran on small manual-wind movements. A replica with an automatic rotor under a display back does not match the original, no matter the price.
What should you check before you buy?
- Case ratio. Measure height against width. Anything far from 1.8:1 to 2:1 is a stretched Tank, not an Allongée.
- Crystal. Sapphire stays scratch free and shows sharp edge reflections. Mineral glass picks up hairlines in weeks.
- Dial printing. Roman numerals should sit clear of the minute track, with even spacing on both sides of the center.
- Cabochon. A real stone is set flush with a clean bezel around it. Glue lines or a hollow plastic bead are common on cheap builds.
- Caseback. Look at engraving depth and lettering shape. Shallow laser etching and misspelled reference numbers are easy tells.
- Movement. Ask for the caliber number and a photo of the movement. Sellers who dodge the question are hiding a quartz module.
- Strap and clasp. Genuine-spec alligator has visible scale patterns and soft edges. Embossed calf leather has a repeating print.
- Weight and balance. A thin case with too much heft at the head means the maker used a thick movement and shaved the caseback.
- Water resistance. Claims of 30 m or more should follow the ISO 22810 test standard. Most replicas fail a pressure test.
How do you spot a replica Tank Allongée?
Three areas give copies away: printed detail, metal finishing, and the crown stone. Compare numbering under a loupe and you will see thicker strokes and softer corners on a copy. Genuine cases show crisp inner angles on the brancards and hand-polished bevels that a cast case cannot copy.
- Genuine vintage Tank Allongée watches sell at auction for four figures and often far more, so a $200 asking price for an "original" is a clear sign of a fake.
- Papers stamped with a serial that does not match the caseback are a common pairing on fakes.
- Cartier does not service counterfeit watches and can refuse to return them, so a replica has no repair path through the brand.
- A movement that winds with no resistance or feels gritty points to a cheap clone caliber.
What are the legal and practical risks?
Counterfeit goods are illegal to import in the United States under trademark law, and customs officers can seize a shipment without compensation to the buyer. Beyond the law, a replica carries no warranty, loses resale value the moment it ships, and often leaks because the gaskets were never tested.
Resale is close to zero. No auction house and no authorized dealer will take a counterfeit for trade, so the money you spend stays spent.
Frequently asked questions
Is a replica Cartier Tank Allongée worth buying?
It depends on what you want from the watch. If you want the elongated shape on your wrist and accept that it holds no value, a mid-tier copy can look correct from a short distance. If you want a watch you can service and sell later, a used Tank from a mainstream brand is the better place to put the same money.
Do replica Tank Allongée watches hold value?
No. Counterfeit watches trade at a fraction of their purchase price on the secondhand market, and the drop happens fast.
What movement is inside a replica Tank Allongée?
Quartz on the cheap end, automatic ETA or Miyota clones in the middle, and decorated Chinese automatic calibers at the top. None of these match the small manual-wind calibers used in 1970s originals.
Is the Tank Allongée still in production?
Cartier has reissued elongated Tank variants in limited runs, but the 1970s Allongée itself is a vintage piece. That matters for replicas, because most makers copy the shape from auction photos rather than a physical watch.
Bottom line
Buy the shape, not the story. Ask for case measurements, a movement photo, and crystal type before you send money, and treat any seller who cannot answer those three questions as a pass. If your priority is a watch that runs for decades, put the same budget toward a used mechanical piece from a brand that will actually service it.