Short answer

I am not going to write a shopping guide for a replica Blancpain Villeret Complete Calendar. Counterfeit watches are illegal to sell and to import in the United States, and a guide that walks someone through picking one would be assisting a trademark violation. What I can do is explain why this specific model is a bad candidate for a copy, and point you toward real complete calendar watches at several price levels.

Why a Complete Calendar is hard to copy well

A complete calendar shows the day, the date and the month, and it usually adds a moon phase. On a genuine Villeret, those four displays are driven by the same movement and stay in step with each other. Each month change advances the month disc, the date jumps, and the moon phase moves on its own roughly 29.5 day cycle. That takes a stack of parts under the dial: a calendar plate, jumper springs, a corrector system, and separate setting pushers for the day, date, month and moon.

A copy almost never reproduces that. The usual shortcuts are visible once you know them:

• The moon phase is a 24 hour day and night disc that completes a turn every day instead of every 29.5 days.
• The month display is a decorative ring that must be nudged from the caseback or does not move at all.
• The date sits in a small window far from the center, which is where an add-on module pushes it.
• The pushers on the case side are often cosmetic or set two functions at once.
• The rotor and bridges are stamped or plated rather than finished, and the movement may be a generic third party base with a calendar module bolted on.

What happens after the sale

Parts support is the real problem. A counterfeit has no service network, no parts inventory and no trained watchmaker who will take it in. When a jumper spring bends or the calendar stops advancing, the watch is finished. Water resistance claims on copies are also unverified, so swimming or showering risks moisture damage that no one will repair.

There is a legal side as well. Customs officers seize counterfeit watches at ports of entry, and the buyer can lose both the watch and the money. Resale value is effectively zero.

Real complete calendar watches to consider

If the appeal is the layout rather than the name, several brands sell genuine complete calendars without a five figure price tag. Look at the Frederique Constant Classics complete calendar, the Longines Master Collection, and Mido models with full calendar displays. All three use real calendar mechanisms with documented service. In the pre-owned market, a genuine Villeret Complete Calendar from an earlier reference costs far less than a new one and keeps a service path.

When buying any complete calendar, whether new or pre-owned, check four things: that the moon phase advances over a month rather than a day, that the month changes on its own, that the corrector pushers work without a tool mark on the case, and that a service quote for the calendar module is available before you pay.

FAQ

Can a counterfeit complete calendar keep accurate calendar functions?

Some track day and date. Almost none track the moon phase correctly, and the month display commonly needs manual correction at the end of short months.

Is a replica a reasonable way to try the look before buying a genuine watch?

No. Fit, weight, dial layout and strap quality differ enough that it gives you a poor reference point, and you carry the legal risk of owning and importing a counterfeit.

What should a genuine complete calendar cost to service?

Ask the brand or an authorized watchmaker for a written estimate before purchase. Calendar modules add labor compared with a simple date, so budget for it in the total cost.