A fake Cartier Tank Allongée is a watch built to copy the elongated Tank case that Cartier produced in the 1970s. Copies range from cheap quartz models with printed dials to 1:1 replicas that match the original case length, cabochon crown, and Roman numeral layout. The fastest way to judge one is the case profile: the real watch is long, thin, and curves at the lugs, and most low-grade copies get that shape wrong.

What Is the Cartier Tank Allongée?

The Tank Allongée is a stretched version of the Tank Louis Cartier. Cartier kept the brancards (the vertical side bars) and pulled the rectangle longer, which gives the watch a slim dress look on the wrist.

Core details include Roman numerals, a chemin de fer minute track, sword hands, and a blue cabochon set into the crown. Vintage examples came in yellow gold, and many run on thin manual-wind movements.

Most examples on the market are vintage pieces, so they surface through auction houses and vintage dealers rather than a boutique counter.

Why Do People Search for a Fake Cartier Tank Allongée?

Real Tank Allongée watches are scarce and priced for collectors. That gap sends buyers toward replicas, and the search term "fake Cartier Tank Allongée" is what they type before they spend.

Two groups hunt for this info: people who want a replica and need to pick a good one, and people who found a "vintage" Tank at a low price and want to know if it is real.

How to Tell a Fake Cartier Tank Allongée From a Genuine One

Start with the shape, then work toward the small parts. Case makers often get proportions wrong long before they get a dial font right.

Case and Lug Checks

  • Length: measure the case tip to tip. An elongated Tank is long relative to its width. If a copy looks square, it is not an Allongée.
  • Lugs: original lugs curve down and hug the wrist. Cheap copies use straight lugs that sit flat.
  • Thickness: a quartz copy is thicker than a manual-wind original because the battery and spacer need room.
  • Caseback: engravings on a real watch are crisp and cut into the metal. Fakes show soft, laser-etched letters and often the wrong reference numbers.

Crown and Cabochon

  • The cabochon should be a domed blue stone with a polish, set into a gold crown.
  • Copies often use plastic or glass that looks flat, cloudy, or glued in.
  • Check crown size. An oversized crown on a slim case is a common replica tell.

Dial and Hands

  • Roman numerals should be sharp and evenly spaced, with no thick or melted edges.
  • Look at the CARTIER signature. Real dials use a consistent weight and spacing.
  • Hands should be blued steel, or painted to match, with the correct sword shape.
  • Minute track printing should be fine and continuous, not blurry or dotted.

Movement

Ask for a photo of the movement before you pay. A genuine vintage Tank runs on a thin manual-wind caliber, not a fat automatic rotor.

Many replicas use quartz. That is not a flaw by itself, since Cartier also sold quartz Tanks, but it changes case thickness and resale value.

Quality Tiers Among Replica Tank Allongée Watches

Not every fake is the same. Sellers split them into rough tiers, and the price tracks the details.

  • Budget copies: quartz, plated case, mineral glass, printed dial. The case is too thick and the cabochon is glass.
  • Mid-tier: better case shape, sapphire crystal, sharper dial print, but a plated case and a quartz movement.
  • 1:1 replicas: correct case dimensions, solid steel or thick gold plating, sapphire crystal, hand-wind or slim quartz movement, cabochon set with a real stone.

Prices follow the tier. Budget copies cost about as much as a fast-food meal; 1:1 replicas run into the hundreds of dollars. Ask for photos of the exact watch you will receive, not stock renders.

Do Replica Tank Allongée Watches Keep Time?

Quartz copies keep time well because the movement is a common mass-produced module. Hand-wind replicas vary: a cheap Chinese hand-wind can drift by minutes a day, while a better clone holds closer.

Water resistance is the bigger risk. Slim dress cases with press-fit backs do not seal well, so keep any replica away from water even if the listing claims 30 m.

What Should You Check Before Buying?

  1. Case measurements in millimeters, tip to tip and across.
  2. Photos of the dial, crown, caseback, and movement.
  3. Weight. A gold-plated case should feel dense, not hollow.
  4. Return policy and payment method.
  5. Crystal material. Sapphire resists scratches; mineral glass does not.

FAQ

Is a fake Cartier Tank Allongée illegal to buy?

Rules differ by country. In the US and the EU, selling a watch with a counterfeit trademark is illegal and the penalties fall on sellers. Buyers should check local law before ordering.

Can a jeweler spot a replica Tank Allongée?

Yes. A trained eye catches most copies within a minute. Case proportions, dial print, and the cabochon give it away.

Does the cabochon color matter?

Cartier fitted these crowns with blue stones such as sapphire or spinel. A pale, flat, or plastic-looking stone points to a low-grade copy.

Which movement suits a good replica?

A thin hand-wind or a slim quartz. An automatic movement makes the case too thick for an elongated Tank profile.

Are replica Tank Allongée cases solid gold?

No. Replicas use steel with gold plating. Real vintage Tanks are solid 18k gold, which is one reason the weight and price differ so much.