Quick answer

A fake Cartier Tank Must Small in gold is a 29.5 mm by 22 mm quartz watch in a gold-plated steel case, sold as a stand-in for a gold Cartier Tank. Cartier builds the Tank Must Small in stainless steel. The 18k yellow gold Small Tank is the Tank Louis Cartier, references WGTA0032 and similar. So a gold Tank Must replica is a plated Tank Must with a gold finish, not a copy of a catalog model. That changes how you judge it. Compare it against Tank Must Small specs, then grade the plating, proportion, and dial print before you pay.

Fake Cartier Tank Must Small: Specs, Tiers, and Checks

Reference specs to measure against

  • Case: 29.5 mm long, 22 mm wide, 6.6 mm to 6.9 mm thick
  • Lug width: 16 mm
  • Movement: Cartier caliber 157 quartz, or a Ronda 763 substitute
  • Crystal: sapphire, flat with a slight edge bevel
  • Dial: silvered with black Roman numerals, blued steel sword hands
  • Crown: fluted, set with a blue synthetic spinel cabochon
  • Water resistance: 30 m on the steel version

How to check a gold Tank Must replica step by step

  1. Measure the case with calipers. Anything past 30 mm long or 23 mm wide reads as a different Tank.
  2. Weigh the watch head. A plated steel case with a quartz movement runs about 25 g to 32 g. A 45 g head points to a brass case with heavy plating, which pits.
  3. Inspect the plating at the lug tips and caseback edge. Replica plating runs 1 to 5 microns. Under 3 microns, daily wear exposes base metal inside a year.
  4. Read the dial under a loupe. Cartier prints IIII for four, not IV. The Cartier script sits under the 12, and Swiss Made sits at 6 o'clock, split by the VI.
  5. Study the crown cabochon. It should be domed, deep blue, and set flush. Flat or plastic cabochons are the easiest tell.
  6. Time the seconds hand for one minute. A tick that misses the printed markers means a cheap movement or a loose cannon pinion.
  7. Turn the watch over. The caseback should carry clean engraving, not laser etching burned into soft metal.
  8. Flex the strap. Period-correct straps measure 16 mm, use alligator grain, and end in a gold-tone pin buckle that matches the case hue.

QC checklist before shipping

  • Hands align to 12, 3, 6, and 9
  • No dust or fibers under the crystal
  • Gold tone matches across case and buckle
  • Crown winds without grit
  • Caseback seal seated, no gap at the lip
  • Spring bars fit 16 mm lugs with no rattle

Plating and color notes

Replica plating comes in 18k or 24k color over a nickel or chrome flash coat. The 24k tone reads warm and soft; 18k tone sits closer to Cartier's own 18k yellow gold. Rose gold replicas drift toward copper once the top layer thins. For daily wear, ask for 5 microns of PVD instead of 2 microns of electroplating. PVD holds color longer and resists scratching at the case edges and lugs.

fake cartier tank must small watch

Price tiers and what they buy

  • Under $80: brass case, 1 micron plate, plastic cabochon, mineral glass
  • $100 to $200: steel case, 2 to 3 micron plate, sapphire, Ronda quartz
  • $220 to $400: steel case, 5 micron PVD, Swiss quartz, dial print that matches the Cartier layout

Red flags

Skip any listing that shows a 33 mm case and calls it Small. Skip photos that hide the crown or the caseback. Ask for a timestamped video of the seconds hand and the lug tips. If the seller cannot name the plating spec or the movement, the finish will not survive a year of wear. Remember that importing counterfeit goods into the United States is prohibited, CBP seizes shipments, and the loss falls on the buyer.

fake cartier tank must small watch