Patek Philippe Vintage Perpetual Calendar 3945/1 FIRST SERIES 18K Yellow Gold


Patek Philippe 3945/1 3945J FIRST SERIES, 18k yellow gold case on an integrated 18 yellow gold bracelet, the watch will currently fit approximately a 7 1/2" wrist. Automatic Patek Philippe caliber 240Q movement, white dial with day, date, month, leap year, moonphase, am/pm indicator, applied gold stick indexes and yellow gold dauphine shaped hands, first series dial with sunken subdails, diameter: 36mm, thickness: 9mm, Excellent condition with extract from the archives dated 1987, Patek Philippe box and 6 month warranty.

Product price


FREE Global Fedex Priority shipping

Sales Tax May Apply






Yellow Gold


Like New



More about Vintage Perpetual Calendar 3945/1 FIRST SERIES 18K Yellow Gold

This is a vintage c. 1987 18K yellow gold Patek Philippe Perpetual Calendar 3945/1. It's an early "First Series" and it includes an integral 18k yellow gold diagonally woven "beaded rice" bracelet with a deployment clasp (inspired by the chain mail of the Middle Ages) and scratch resistant sapphire crystals. It has a signed pull-out winding crown and a snap down solid case back with a thumb flip and the Patek Philippe International Customer Service sticker. There is a corrector in the left-side case band at 9 o'clock for the perpetual calendar and the 36mm diameter solid three-body case, welded lugs, and stepped bezel are polished. The silver dial has applied faceted "boat-shaped" gold baton hour indices around a perimeter gold pip minute scale. It has twin recessed white subsidiary dials with black Arabic numerals, markers, and gold/blued feuille indicator hands, including a combination day/24-hour register at 9 o'clock, and a combination radial month with a leap year sub dial is at the 3 o'clock position. There is a color moon phase subsidiary dial at 6 o'clock with a combined radial date indicator and a gold feuille leaf hand. It has a 48-hour power reserve at full wind, it’s water resistant to 25 meters/80 feet, and the 9mm thick case, dial, and movement are all signed. This Patek Philippe Perpetual Calendar 3945/1 has a mechanical automatic Patek Philippe caliber 240 Q movement. It’s rhodium plated with Cotes de Geneve and perlage embellishment, and It has the quality seal of Geneva. It's constructed with 27 jewels, 275 components, and a lateral lever escapement with three arms under a polished steel bridge. It includes a 22K winding micro rotor with the Patek Philipppe Calatrava symbol, and a patented Patek Philippe Gyromax balance that adjusts for cold, heat, isochronism and 5 positions. It includes a shock absorber mechanism, an index regulator, and a self-compensating free-sprung Breguet balance spring. The mechanism oscillates at a frequency of 28,800 vph (4 Hz). The Patek Philippe Perpetual Calendar 3945/1 was introduced in the 1980's.

The European Watch Company Process


Trusted since 1993, European Watch Company maintains the highest standards in the industry. Our team of expert watchmakers meticulously inspect every timepiece prior to it being listed for sale. This five-position testing assures the buyer of each watch’s verified provenance, its optimal mechanical condition with authenticated parts, and exceptional “like new” cosmetic appearance. When it comes to quality, we curate only the finest timepieces. So that when they are delivered, the only thing to focus on is your excitement. Our 5-star reputation was earned over three decades of hard work and integrity. To provide further peace of mind, we provide a 1- year limited warranty on all our timepieces. We are confident that we can find you the perfect watch to cherish and enjoy.

See Our New Arrivals First

Discover our newly received watches while being priced and about to go live.

Have a watch like this?
Sell or trade with us!