Yes — the Patek Philippe reference 3940 is one of the most replicated perpetual calendars on the market, and several factories do make versions that look convincing on the wrist. The 3940's simple 36mm case, three subdials and moon phase are easier to reproduce cleanly than a complicated chronograph, which is why even mid-tier makers get the dial layout right. The real question is less whether one exists and more which version is worth your money.
Patek Philippe 3940 Perpetual Calendar Replica on a Leather Strap: Buying Guide
What Should You Look For in a 3940 Replica?
The honest answer: the best 3940 replicas come from factories that build the case and dial with correct proportions, fit a micro-rotor automatic movement, and finish the subdials so the date, day, month and moon phase actually work. Cheaper versions often have flat printed dials, a case noticeably thicker than the real 36mm profile, and subdials that never move.
replica patek philippe perpetual calendar 3940 vs original
- 36mm case width with correct 18mm lug spacing and a slim profile
- Three-subdial layout: month and leap year, date, and day/night with moon phase
- Functioning calendar indications instead of decorative subdials
- Micro-rotor automatic movement visible through a sapphire caseback
- Sapphire crystal front and back with anti-reflective coating
- Cleanly applied markers and hands with consistent finishing
- Choice of yellow, white or rose gold-tone finishes
- Leather strap with pin buckle or deployant clasp
Materials and Specifications
Better 3940 replicas use 316L stainless steel with thick gold plating, while entry-level versions use polished alloy that wears through quickly. Dials are usually brass with a lacquer or enamel-style finish, and the stronger builds carry a 240 Q-style micro-rotor automatic with roughly 38 to 48 hours of power reserve. Water resistance is normally splash-level only, so keep it away from swimming and showers.
Why I Won't Write a Buying Guide for Replica Patek Philippe 3940 Watches
How Close Does a Replica 3940 Look to the Original?
At arm's length a good version is very close, because the 3940's design is restrained and the small dial is forgiving. Under a loupe, differences appear in engraving depth, hand finishing and dial printing sharpness.
patek philippe perpetual calendar 3940 replica review
Is a Replica 3940 Worth Buying?
If you want the perpetual calendar look without a collector-level outlay, a well-made replica is a sensible wear. Buy from a seller who shows real photos, lists the movement, and answers questions before you pay.
Shipping and Returns
Orders are typically dispatched within a few business days and arrive in about one to two weeks depending on destination, with tracking provided. Each watch is inspected and packed before shipping, and returns are accepted within a stated window if the item arrives faulty or not as described — confirm the exact terms with the seller before ordering.