Patek Philippe 18ct rose gold perpetual calendar wristwatch ref. 3940R
Record status
Individual type · partial
Period
1997
This Patek Philippe perpetual calendar wristwatch, reference 3940R, is a sophisticated timepiece crafted in 18ct rose gold, dated to 1997. The watch features a silvered dial adorned with applied pink gold faceted baton and pyramidal indexes, complemented by matching rose gold dauphine hands and an outer dot minute track.
The watch is powered by a 27-jewel Caliber 240Q movement, which is rhodium-plated and features fausses cotes decoration, a straight-line lever escapement, a Gyromax balance with a self-compensating free-sprung flat balance spring, and a 22ct gold micro-rotor. The movement is stamped with the Seal of Geneva. The perpetual calendar functionality includes subsidiary dials for the day, month, leap year, and 24-hour cycle, alongside a moon phase aperture.
The watch is presented in a polished 35mm gold case with a transparent exhibition back. It includes a Patek Philippe black leather strap, an 18ct rose gold deployant clasp, a setting tool, and its original wooden fitted box.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Physical characteristics
- Strap
- black leather
- Material
- 18ct rose gold
- Case diameter
- 35mm
Technical characteristics
- Jewels
- 27
- Calibre
- 240Q
- Reference
- 3940R
- Escapement
- straight-line lever
- Case number
- 2981617
- Movement type
- automatic
- Movement number
- 776493
Design
- Dial
- silvered with applied pink gold baton and pyramidal indexes
- Hands
- rose gold dauphine
- Complications
- perpetual calendar, moon phases
Identification
- Source note
- Described from a single auction-house listing published on Invaluable (reproduced with Invaluable's permission). Details apply to that one example; other examples of the type may differ, and the listing is supplementary evidence, not authentication.
- Maker named in listing
- Patek Philippe
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.