Patek Philippe Perpetual Calendar 3940J-001 MK1 First serie
Basic Info
Listing code : MTLOQ2
Brand : Patek Philippe
Model : Perpetual Calendar
Reference number : 3940J-001 MK1 First serie
Movement : Automatic
Case material : Yellow gold
Year of production : 1986
Condition : Used (Good)
Scope of delivery : No original box, no original papers
Gender : Men's watch/Unisex
Location : Switzerland, Lugano
Price : CHF97,000
Availability : Item is in stock
Caliber
Movement : Automatic
Case
Case material : Yellow gold
Case diameter : 36 mm
Water resistance : 1 ATM
Bezel material : Yellow gold
Crystal : Sapphire crystal
Dial : Silver
Dial numerals : Lines
Bracelet/strap
Clasp : Buckle
Clasp material : Yellow gold
Functions
Moon phase, Perpetual calendar
Other
Small seconds
The Patek Philippe 3940 is one of the most iconic perpetual calendar watches ever produced by the Swiss luxury watchmaker Patek Philippe. Introduced in 1985, the reference 3940 replaced the older reference 3450 and quickly became a benchmark for perpetual calendar watches.
This 3940 first series is in very good conditions , delivered with his fresh extract from the archive
Key Historical Points of the Patek Philippe 3940
Introduce in 1985.
Aimed at offering a sophisticated and timeless design with an ultra-thin automatic movement.
The watch features a perpetual calendar complication, meaning it automatically accounts for leap years and varying month lengths.
Display includes day, date, month, leap year, and 24-hour indication, arranged in an elegant three-subdial layout.
Initially launched in yellow gold, but later models were available in white gold, rose gold, and platinum.
Slim and elegant case design at 36mm, appealing to both collectors and everyday wearers.
Powered by the in-house caliber 240 Q, an ultra-thin automatic movement with a micro-rotor.
Highly regarded for its reliability, precision, and beauty, featuring a 22k gold micro-rotor to maintain a slim case
Produced for about 20 years, until 2006 when it was replaced by the reference 5140, which carried forward the perpetual calendar tradition.
Highly sought after by collectors due to its classic design, technical excellence, and historical significance.
Early production models and limited editions in platinum or with special dials are particularly valuable.
Variants and Special Editions:
Some special editions featured different dial configurations, such as salmon dials or unique numerals.
Anniversary and boutique editions were released in limited numbers.
The Patek Philippe 3940 remains one of the most beloved perpetual calendar watches in horology history, representing the brand's commitment to elegance and mechanical perfection. Collectors cherish it for its enduring design and horological significance.