"Fake Villeret 6263" almost always means a replica of the Blancpain Villeret Quantième Complet, reference 6263, the 38mm complete-calendar moonphase. Short answer: the case and dial get copied well enough at the $400 to $700 tier that they read correctly from arm's length. The calendar is where the money goes. If you want a pointer date that sweeps the outer track and a moonphase that stays honest for a decade, you are shopping at the very top of the replica market, or you are not shopping at all.
What the real 6263 actually is
This matters because you cannot judge a copy without knowing the original. The 6263 runs a 38mm case in steel or rose gold, an automatic caliber 6763 with a long power reserve, day and month apertures near the top of the dial, a moonphase at six ringed by a date track, and a blued steel serpentine hand that points to the date instead of showing it through a window. That serpentine hand is the signature. It is also the first thing replicas fake badly.
Where replicas hold up
Credit where it is due. Modern replica cases are cut on CNC machines from the same drawings the original was measured from, so the 38mm proportions, lug shape, and crown size usually land close. Sapphire crystal is standard now, not a selling point. Dial printing has gotten sharp enough that you need a loupe to see the difference in the text weight. The alligator strap is often real leather, just from a different animal or a different tannery.
Where fakes give themselves away
The serpentine date hand
On a real 6263 the hand advances once per day and lands cleanly on each numeral. On most replicas it is friction fit and either drags, sticks between numbers, or jumps two days at once. Some builders skip the mechanism entirely and set the hand at a fixed date. Ask for a video of the date changing. Not photos. Video.
The moonphase disc
A correct moonphase completes its cycle in about 29.5 days. Plenty of replicas run a 31-tooth wheel because it is easier to source, which means the moon drifts out of sync within weeks. You spot this by tracking it, not by looking at it in a listing photo.
The calendar module
Real complete calendars snap over in the early morning hours. Cheap stacked modules flip whenever they feel like it, sometimes at 6pm, sometimes mid-afternoon, and the day and month wheels often do not line up in their windows. If the seller cannot tell you when the calendar changes, that is your answer.
The movement
Nobody is putting a real 6763 in a replica. You are getting a Miyota or Seagull base with a calendar module bolted on top. That is fine for timekeeping and terrible for thickness, which is why so many fakes sit noticeably taller than the real thing. Power reserve claims of 100 hours are almost always fiction. Expect 38 to 42 hours.
Caseback and clasp
Engraving depth, serial number fonts, and the spacing between letters are the last places builders cut cost. A laser-etched caseback looks flat under raking light. Real engraving has depth you can feel with a fingernail.
How to vet a seller
- Ask for timestamped photos of the actual watch, not factory renders or borrowed images.
- Request a movement photo. A seller who will not open the caseback is hiding the module.
- Ask for timegrapher numbers. Rate, amplitude, beat error. Real numbers, photographed.
- Confirm the return window in writing before payment. Verbal promises mean nothing.
- Know the legal line. US Customs can seize counterfeit imports, and selling a fake as genuine is a federal crime. Buying one for yourself is a gray area, importing one is not.
When to walk away
If your reason for buying is the calendar, walk away. A working complete calendar with moonphase is the hardest thing in watchmaking to copy at a low price, and the compromises show up in daily use, not in photos. If your reason is the look on your wrist, a decent 6263 replica delivers that. Just go in knowing which one you bought.