A fake Cartier Santos fails on four points a buyer can check in a photo: the bezel screw slots, the date window, the bracelet link pins, and the caseback engraving. A genuine steel Santos de Cartier medium measures about 35.1 mm wide and 8.83 mm thick. Most fakes run 0.5 mm to 2 mm thicker. The 1847 MC movement beats 8 times per second. A quartz fake ticks once per second.

Genuine specs to compare against

Cartier launched the Santos in 1904 for aviator Alberto Santos-Dumont. The current Santos de Cartier line arrived in 2018 with QuickSwitch strap changes and SmartLink bracelet sizing. Reference numbers for the line start with WSSA.

  • Case: steel, medium 35.1 mm by 8.83 mm, large 39.8 mm by 9.38 mm.
  • Crystal: sapphire, front and caseback.
  • Water resistance: 100 m.
  • Movement: 1847 MC automatic, 23 jewels, 42-hour power reserve, 28,800 vph.
  • Dial: Roman numerals, hidden "Cartier" signature inside the VII numeral.
  • Crown: steel with a blue synthetic spinel cabochon.

Where fakes break down

  1. Bezel screws. Genuine screws have flat slots cut at one angle and sit flush. Fakes show raised heads, Phillips slots, or slots turned at random angles.
  2. Date window. The genuine aperture sits on the 3 o'clock axis with a beveled edge and a thin date font. Fakes drift off axis and use a thick font.
  3. Bracelet pins. SmartLink links use real screws. Fakes use push pins or glued links. The bracelet flexes with a rattle on most fakes.
  4. Caseback. Genuine engraving has depth and sharp edges: reference number, serial, "Swiss Made". Fakes laser etch a shallow outline with the wrong letter spacing.
  5. Weight. A steel Santos on a full bracelet weighs 100 g or more. Many fakes land between 70 g and 90 g.
  6. Second hand. The 1847 MC sweeps in 8 steps per second. Quartz fakes jump once.
  7. Cabochon. Spinel has facets and a deep blue tone. Plastic or glass reads flat and pale.

Price bands

Cartier retail for a steel Santos de Cartier medium on a bracelet runs near $7,450 in the US. The large size runs near $8,000. Two-tone and gold versions cost more. The used market for steel sits between $4,500 and $6,500 for a full set with box and papers. Replica listings run $40 to $80 for quartz copies, $150 to $400 for mid tier automatic copies, and $500 to $1,200 for the tier sellers call super clones. A new steel Santos offered below $4,000 is not genuine.

Legal position in the US

18 U.S.C. § 2320 makes trafficking in counterfeit goods a federal crime. A first offense carries up to 10 years in prison and a $2,000,000 fine for an individual. CBP seizes counterfeit watches under 19 CFR 133.21. Customs rules include a personal-use exemption for one item of each type, and seizures still happen in practice. Selling a replica as genuine is fraud in every US state.

Checks before payment

  • Ask for a caseback photo. Match the reference number to the Cartier catalog.
  • Ask for a 10-second video of the second hand.
  • Ask for the weight on a scale.
  • Ask for the original invoice, box, and warranty card.
  • Take the watch to a Cartier boutique or an authorized dealer. Cartier does not authenticate at every location, so call first.