Patek Philippe Reference 3970E “Fourth Series” 18k white gold perpetual calendar chronograph wristwatch
Record status
Individual type · partial
Period
2001
This Patek Philippe Reference 3970E “Fourth Series” is an 18k white gold perpetual calendar chronograph wristwatch produced in 2001. Featuring a 36 mm diameter white gold case, it is equipped with a screw-down sapphire crystal display back.
The watch showcases a sophisticated black dial with baton-style hands and incorporates moon phases, a leap year indicator, and a 24-hour indication. The mechanical movement is the Patek Philippe Calibre 27-70 Q, which consists of 24 jewels. This “Fourth Series” iteration is distinguished by its silvered moonphase indicator. The timepiece is signed on the dial, case, and movement. It is secured with a black Patek Philippe alligator strap, fastened with an 18k white gold buckle.
The movement is recorded as number 3’046’322, while the case is numbered 4’125’952. This horological piece belongs to a series noted for its balanced ergonomics and complex functionality, representing a classic example of high-end Swiss mechanical watchmaking from the early 21st century.
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 alligator
- Buckle
- 18k white gold
- Diameter
- 36 mm
- Material
- 18k white gold
Technical characteristics
- Jewels
- 24
- Caliber
- 27-70 Q
- Case number
- 4’125’952
- Complications
- perpetual calendar, chronograph, moon phases, leap year, 24 hour indication
- Movement type
- mechanical
- Movement number
- 3’046’322
Design
- Dial color
- black
- Hand style
- baton
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.