Top pick for anyone searching this reference: a pre-owned genuine Blancpain Villeret Complete Calendar or a moonphase from an established mid-tier maker, not a counterfeit. The four criteria that decide it are whether the moonphase tracks a true 29.5-day lunar cycle, whether the calendar correctors work without stripping, how the case and dial hold up at arm's length, and what the watch costs you at the border and at resale.
What reference 6654-1127-55 actually identifies
The number belongs to Blancpain's Villeret Complete Calendar line. Published specifications describe a 40 mm steel case, a day window and a month window under 12 o'clock, a date read by a blued serpentine hand, and a moonphase aperture at 6 o'clock, driven by the in-house 6654 caliber with a multi-day power reserve and a sapphire caseback. The suffix digits encode case metal, dial variant and strap configuration rather than a different watch.
That combination is the whole problem for counterfeiters. A complete calendar with a real moonphase is one of the harder complications to fake, so most listings sell the photograph rather than the function.
What "fake 6654-1127-55" listings usually deliver
In practice, three tiers show up under this reference.
- Quartz or basic automatic shells. The three sub-registers are printed or driven by a single 24-hour wheel, so the moon disc flips once a day instead of every 29.5 days. The date hand often jumps or sticks.
- Module builds. A calendar module is stacked on a base Asian automatic. It can look right on a wrist but adds thickness, and the corrector pushers are the first thing to fail.
- Custom high-end builds. Rare, expensive, and often priced close enough to a used genuine that the value case collapses.
Pros of buying in this market: low entry cost, instant visual resemblance in photos, and no waiting list.
Cons: no service network, no parts, water resistance you should not trust, calendar functions that break within months, and zero resale value.
Criteria that separate a wearable watch from a disposable one
- Moonphase logic. Watch the disc across several days or ask for video. A real lunar display advances roughly one step per day and completes a cycle in about 29.5 days.
- Corrector action. Day, month, date and moon each need their own recessed pusher. If one tool adjusts everything, the mechanism is decorative.
- Case and dial finishing. Look at the lug bevels, the applied Roman numerals, and the printing under magnification. Soft edges and flat printing read as fake from a handshake away.
- Thickness and weight. A module build sits visibly taller than the 40 mm original profile.
Red flags in listings and seller behavior
- Stock catalog images instead of dated, hands-on photos of the actual piece.
- Claims of "Swiss made, 1:1" paired with a price that cannot cover a Swiss movement.
- Payment only through untraceable methods, with no returns policy.
- Pressure to buy before you see the movement or a timestamped video.
Any one of these is enough to walk away. Two together usually means the watch does not exist.
The legal and border reality in the US
Counterfeit watches are trademark-infringing goods, and U.S. Customs and Border Protection can seize them at the port of entry. Trafficking in counterfeit goods is a federal offense, and buying for resale carries real exposure. Even personal imports get intercepted, and there is no refund channel when they do. That risk is part of the price, whether or not the seller mentions it.
Better ways to spend the same budget
If the appeal is the complete calendar layout, several established brands sell genuine moonphase and triple-calendar watches with service support. Pre-owned Blancpain Villeret complete calendars also surface regularly, and a documented service history protects the value far better than any replica.
- Want the complication, not the logo: a moonphase from a mid-tier Swiss or Japanese maker gives you a working lunar display and a warranty.
- Want this exact reference: buy pre-owned with box, papers, and a service record.
- Want the look for a season: rent or borrow. It costs less than a module build that dies in a year.
Use-case recommendation
If you are buying a gift or a first serious watch, skip the fake and put the money into a genuine moonphase. If you are curious about the reference and want to handle one, visit an authorized dealer and try the real thing on. If you have already paid for a replica and it arrived, treat the calendar pushers as fragile, keep it away from water, and do not plan on resale. The reference is worth knowing; the counterfeit is not worth defending.