Short answer

"Replica Cartier Tank Must red" is a search term for copies of the Cartier Tank Must de Cartier that has a red lacquer dial. Cartier released that watch in 2021 in polished steel with a quartz movement. Copies are built in China and Turkey and sold on sites that describe them as "Swiss" or "1:1 grade." Importing or selling a counterfeit watch is illegal in the United States.

The genuine watch

Cartier launched the Tank Must in 2021 to replace the Tank Solo. The line includes three lacquer dial versions: red, blue, and green. The red model uses a steel case, sapphire crystal, and a quartz movement. The Large case measures about 33.7 mm by 25.5 mm. Cartier also lists a smaller case size. The red dial carries printed Roman numerals and a printed minute track. There is no date window.

US retail for the lacquer-dial versions sits in the low four figures. Cartier publishes current prices and the reference numbers on its own site, so check there for the exact figure for the red model.

How copies differ

  • Movement: the genuine Tank Must is quartz. Many copies use a generic quartz caliber or a low-grade automatic.
  • Dial: lacquer is baked and polished. Copies show patchy gloss and printing that sits off center.
  • Case: gold-tone copies use plating that wears through. The red-dial reference is steel, not gold.
  • Engraving: case back lettering on copies has shallow cuts and wrong font weights.
  • Fit: crown cabochon shape and bracelet end links differ from the original.

Legal status in the US

18 U.S.C. § 2320 makes trafficking in counterfeit goods a federal crime. US Customs and Border Protection can seize counterfeit watches at the border, including single watches ordered online for personal use. Cartier is owned by Richemont, which files trademark suits in US courts against sellers and, in some cases, buyers who resell.

Checks before buying anything

Cartier ships watches with a serial number, a certificate, and a warranty card. Boutiques and authorized dealers can check a serial number against Cartier records. Sellers on social media and classifieds seldom supply those documents. If a listing claims a red lacquer Tank Must for a few hundred dollars, treat the claim as unverified. I cannot confirm the accuracy of any statement made by a replica seller.