Short answer
"Cartier Santos 470 10" is not a Cartier reference number. Cartier does not list a Santos model with that number. No public record ties the string to a case size, movement, or year. It is most likely a seller stock code, an auction lot number, or a typo in a listing.
How Cartier numbers the Santos
Current Santos de Cartier references use four letters and four digits. Steel models start with WSSA. Gold and two-tone models use WGSA, W2SA, and WHSA prefixes. Examples include WSSA0009 and WSSA0029.
- Steel Santos de Cartier: WSSA plus four digits. Medium case is 35.1 mm. Large case is 39.8 mm.
- Vintage Santos, 1978 to the 1990s: four-digit numeric references, such as 2960 and 2961.
- Santos-Dumont: separate WGSA and WSSA blocks with their own numbers.
Genuine case backs carry the reference and a serial number. Both are engraved into the metal, not printed.
Checks on a watch sold as a Santos
- Case back: deep engraving, a reference in the right format, and a serial that matches the paperwork.
- Crown: blue synthetic spinel cabochon on steel and two-tone models.
- Dial: the word CARTIER hidden inside the VII roman numeral.
- Bracelet: SmartLink sizing and the QuickSwitch release on current models.
- Movement: calibre 1847 MC automatic in current Santos de Cartier models.
Copies fail on font weight and letter spacing. The date window and the printing of SWISS MADE at 6 o'clock are other common failure points.
Legal status in the United States
Federal law treats counterfeit watch sales as trafficking in counterfeit goods. A first offense by an individual carries up to 10 years in prison and a $2,000,000 fine. U.S. Customs and Border Protection can seize and destroy shipments. The Lanham Act adds civil liability, with statutory damages up to $2,000,000 per counterfeit mark for willful use.
What to do with a listing that uses 470 10
Ask the seller for the full case back text and a photo of the engraving. Compare it to the Cartier reference list. If the seller cannot supply the reference, the serial, and the movement number, the listing is unverified. Cartier boutiques and qualified watchmakers can confirm a reference on a physical watch.