Patek Philippe Perpetual Calendar Moonphase Chronograph Reference 5970P

Technical characteristics

Type

Perpetual calendar chronograph

Maker

Patek Philippe

Reference

5970P

Dial Color

Slate Black

Case Material

Platinum

Serial Number

32XXXXX / 45XXXXX

Place recorded

Switzerland

Maker / attribution

Patek Philippe

Design

Visible features

• Diamond stud located at the 6 o'clock position on the case side • Square chronograph pushers • Slate black dial with day and month aperture display • Sub-register at 6 o'clock containing moonphase and date

Case and Dial Design

The reference 5970P features a 40mm platinum case, which the auction description reports remains unpolished. The case geometry includes square pushers that serve as an aesthetic reference to the 1941 reference 1518. A singular diamond stud is set into the side of the case at the 6 o'clock position, acting as an identifier for the platinum construction. The dial is slate black with applied platinum markers. Functions include day and month apertures positioned below the brand signature, a 30-minute totalizer with a leap year indicator at 3 o'clock, a running seconds and 24-hour indicator at 9 o'clock, and a moonphase display combined with a radial date scale at the 6 o'clock position.

Provenance and Accessories

This timepiece is offered as a complete set. The included documentation and accessories are comprised of the original inner and outer boxes, the factory delivery box, and the Certificate of Origin. Furthermore, the sale includes the original operating booklets and manuals. Additional technical components are provided, including a secondary solid platinum case back, a platinum pusher, and a factory-sealed hangtag. The watch is currently fitted with its original Patek Philippe black crocodile leather strap featuring a platinum deployant clasp, and the package includes an additional chocolate brown alligator strap.

Movement and Series Evolution

The reference 5970 marks the fourth generation of the Grand Complications perpetual calendar chronograph series. It serves as the bridge between the 3970 and the 5270. According to the provided information, this reference is one of the final models from Patek Philippe to utilize a modified, non-in-house movement before the transition to the reference 5270 in 2011. The movement employed in the 5970 line is derived from the Lemania 2310, an architecture noted for its history with the NASA Apollo missions. Patek Philippe performed significant modifications to this base movement to include the perpetual calendar functionality and to meet their own internal finishing requirements.

Identification

Reference

5970P

Serial number

32XXXXX / 45XXXXX

Source note

Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.