Short answer
A Cartier chronograph is a mechanical watch with a stopwatch: two pushers, a center chronograph seconds hand, subdials for elapsed time, and a date. Cartier fits these watches with automatic calibers from the 1904-CH MC family. A chronograph stamped Cartier that runs on a quartz module is a fake. Most fakes fail on four points: the movement, the dial print, the caseback engraving, and the pusher feel.
Fake Cartier chronograph: the four checks that matter
1. Movement
The 1904-CH MC is a column-wheel automatic. It runs at 28,800 vibrations per hour, or 4 Hz, and carries a 48-hour power reserve. The chronograph seconds hand moves in eight small steps per second. The pushers give a short, firm click at start, stop, and reset.
Fakes use stock modules. Common ones are the Miyota OS20 and the Seiko VK63 or VK64. Many of these advance the chronograph seconds hand once per second, so the sweep looks like a tick. A low-grade automatic copy can sweep, but the reset snaps back and the subdial hands drift.
Check the back. Many Cartier chronograph references have a sapphire caseback. Through it you see the rotor, the balance, and engraved text: Cartier, the caliber number, the jewel count, Swiss Made. A solid back on a reference that should have a display back is a warning.
2. Dial
Look at the script. The Cartier name uses a fixed letterform. Fakes show thick strokes, uneven spacing, and a double-C logo that touches or overlaps.
Swiss Made sits at 6 o'clock, split by the minute track. The letters match the surrounding print in size and weight.
Cartier hides a secret signature inside a numeral on some models, in the VII or the X. On a fake, the mark is missing, printed over the numeral, or cut in the wrong place.
Subdials follow the movement layout. A tri-compax caliber places them at 3, 6, and 9. Copies reuse a stock layout, so the subdials crowd the numerals or the date window cuts into a numeral. Print edges look fuzzy under a loupe.
3. Case, crown, and pushers
The crown sits at 3 o'clock and holds a blue cabochon. Genuine cabochons are cut and set with a domed top. Copies use flat glass or dyed plastic.
Santos models have exposed bezel screws. Count them, then check the slot direction. Cartier aligns the slots. Copies leave them off-center with burred heads.
Pushers line up with the crown axis and sit flush with the case band. Loose pushers, gaps at the case, and mismatched shapes point to a copy.
A magnet tells you little about the case. 316L steel and solid gold are both non-magnetic.
4. Caseback numbers, price, and papers
Casebacks carry a reference number and a serial. Cartier does not run a public serial lookup. Only a Cartier boutique or service center can confirm a serial against its records.
Current Cartier chronograph references list above $8,000. Steel models on the pre-owned market trade between $5,000 and $9,000. A Cartier chronograph priced at $200 to $600 is not genuine. There is no standard grade scale for first copy, AAA, or mirror watches. These are seller terms, not industry ratings.
Boxes, cards, and manuals are copied. Papers alone prove nothing. A service history from an independent watchmaker carries more weight.
Legal status in the United States
Selling goods with a counterfeit Cartier mark is a federal crime under 18 U.S.C. 2320. A first trafficking offense carries up to 10 years in prison. Customs and Border Protection can seize shipments at import.
What a check cannot prove
No photo check confirms a watch. Subdial spacing and print quality vary by model and by production year. A watchmaker with a caseback tool and a timing machine identifies the caliber in minutes. Without an open case and a rate reading, a Cartier chronograph stays unverified.