"Blancpain 6654B" is not a model name Blancpain uses. The string is search shorthand for the Blancpain Villeret Complete Calendar, reference 6654, often written with the strap code 55B. Counterfeits of this reference exist. Most copies fail on the movement, the correctors, and the dial print.
What reference 6654 is
- Maker: Blancpain, Villeret collection.
- Function: complete calendar. Day and month in windows, date by a blued hand on an outer track, moon phase at 6 o'clock.
- Case: about 40 mm wide, about 11 mm thick, 30 m water resistance.
- Movement: automatic caliber 6654, 28,800 vph, power reserve listed at 72 hours.
- Strap code 55B means alligator leather with a folding clasp.
Blancpain does not make a quartz 6654. A quartz watch sold under this reference is a fake.
Checks that expose most copies
Movement and caseback
Ask for a photo of the movement through the sapphire back. Caliber 6654 shows Geneva stripes, chamfered bridges, and an engraved rotor. Copies use a generic calendar module with printed or stamped decoration. Reference and serial numbers should be engraved into the metal, not laser etched on the surface. On a real watch the same serial appears on the caseback and on the movement.
Dial and moon phase
Dial print is sharp at 10x magnification. Applied indices are gold, faceted, and set level. The date hand is blued steel and thin. The moon disc carries Blancpain's moon face. Copies show a flat white circle or a printed star field that sits off center in the aperture.
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Case and correctors
The day, month, and moon phase correctors sit under the lugs, reached with a pin, not on the case flank. A copy with side pushers is not a 6654. Crown, lugs, and bezel are polished and satin finished in separate zones with clean edges.
Numbers to check
Ask the seller for the reference, the serial, and the year. Cross-check the reference against the Blancpain catalog. Steel and red gold versions carry different case material codes. Prices sit in the five-figure range. A 6654 offered near $500 is a counterfeit.
What to do
Buy from an authorized dealer or a seller with papers and a service history. Have any private sale opened by a watchmaker who knows Blancpain. Report counterfeit listings to the platform and to the brand.