The short answer
A replica Cartier automatic watch is a counterfeit Cartier case built around a self-winding mechanical movement, almost always a Chinese-made caliber. Nothing in it comes from Cartier. The word "automatic" matters because it tells you the watch winds itself from wrist motion instead of running on a battery. It also usually means a thicker case, more weight, and a higher price than the quartz replicas sitting beside it in the same catalog.
Which Cartier models are actually automatic
This is where most buyers get tripped up. Cartier does not put automatic movements in every watch. A "Tank" replica advertised as automatic is a red flag unless the seller names a specific reference.
- Santos de Cartier: automatic in the standard large and medium sizes.
- Ballon Bleu de Cartier: automatic in most references 36mm and up, quartz in the smallest sizes.
- Pasha de Cartier: automatic in the 41mm and 35mm versions.
- Tank Must, Tank Française, Tank Solo: frequently quartz, even from Cartier itself.
- Calibre de Cartier and Roadster: automatic, both discontinued by the brand.
If someone claims an automatic movement in a model Cartier only ever made in quartz, then either the movement is quartz with a decorative rotor bolted on top, or the seller has never opened the caseback.
Movement tiers you will run into
Cheap replicas use unbranded 21,600 vph calibers that sweep visibly in steps. Mid-tier builds use a Miyota 9015 or a Seagull ST21, both real automatic movements with decent reputations. The top of the replica market uses a cloned ETA 2824-2 or 2892 running at 28,800 vph, often with a rotor engraved to look like a Cartier caliber. That engraving is cosmetic. No replica movement is a Cartier 1847 MC, and none of them will be serviced by Cartier.
What I check before buying
- Seconds hand: a smooth, steady sweep, not a stutter every second.
- Rotor noise: spin the watch near your ear. A light whir is fine, a rattle is not.
- Winding feel: crown should feel smooth through the thread, with no grit.
- Date change: should flip cleanly near midnight, not drag halfway for an hour.
- Case thickness: an automatic adds roughly 1 to 2mm over a quartz build. A Santos that looks paper thin is probably quartz.
- Bracelet construction: Santos replicas should use screwed links, not friction pins.
- Crystal: sapphire should sound sharp when tapped, mineral glass sounds dull.
Price reality
Quartz replicas start around $40. Basic automatics land near $90 to $180. Clone-movement builds with a decorated rotor run $250 to $500. Above that you are paying for packaging and marketing, not mechanics. Resale value is essentially zero, and no replica appreciates.
The legal side, briefly
In the United States, importing counterfeit goods is illegal and shipments are subject to seizure by Customs and Border Protection. Selling them exposes you to civil liability under trademark law. Buying one for personal use carries less risk in practice, but the package can still be confiscated with no refund.
Care notes
Keep replicas away from strong magnets, since automatics lose time when magnetized. Do not trust the water resistance rating on the caseback. Have the movement serviced locally every few years if you plan to keep it running, because a dry movement grinds itself down.