Patek Philippe Ref. 5960P Annual Calendar Chronograph
Record status
Individual type · partial
Period
2010
Maker / issuer
Patek PhilippeThis Patek Philippe Ref. 5960P is a platinum self-winding wristwatch featuring an annual calendar and a flyback chronograph. The watch, bearing movement number 3505772 and case number 4457410, was sold in May 2010.
The case measures 41 mm in diameter and 14 mm in thickness, incorporating a concave bezel, correctors in the band, and a transparent screw-down case back. A Top Wesselton diamond is set between the lugs at the 6 o'clock position. The anthracite dial displays applied white gold faceted baton indexes, luminous dots, and guilloche silver subsidiary dials for chronograph totalizers and a power reserve sector. Apertures indicate days of the week, date, months, and day/night.
It is powered by the rhodium-plated Caliber CH 28-520/521, featuring the Seal of Geneva, 40 jewels, and a 21K gold rotor. It is offered with its original fitted box, Certificate of Origin, setting pin, and instruction booklet.
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.
Technical characteristics
- Type
- Annual calendar chronograph
- Maker
- Patek Philippe, Genève
- Movement
- Cal. CH 28-520/521
- Reference
- 5960 P-001
- Sold Date
- May 12th, 2010
- Dimensions
- 41 mm diameter, 14 mm thickness
- Case Number
- 4457410
- Case Material
- Platinum
- Place recorded
- Switzerland
- Movement Number
- 3505772
- Maker / attribution
- Patek Philippe
Design
- Visible features
- • Top Wesselton diamond set at 6 o'clock between lugs • Anthracite dial with luminous white gold feuille hands • Transparent screw-down case back • Brown leather strap with deployant clasp
- Case and Dial Construction
- The watch features a two-body solid platinum case with a polished finish. The design incorporates a concave bezel and lugs, with correctors integrated into the case band to adjust the annual calendar functions. A distinct detail is the inclusion of a Top Wesselton diamond set into the case between the lugs at the 6 o'clock position. The case back is screw-down with a transparent sapphire crystal window, allowing visibility of the movement. The dial is colored in anthracite and features applied white gold faceted baton indexes paired with luminous dots. The subsidiary dials, which handle the 30/60-minute and 12-hour chronograph functions, are finished in silver guilloché. The dial also houses a power-reserve sector and three apertures for the day, date, and month, alongside a day/night indicator. The hours and minutes are tracked by white gold feuille luminous hands.
- Movement and Mechanical Details
- The watch is powered by the Patek Philippe Caliber CH 28-520/521. This rhodium-plated movement is stamped with the Seal of Geneva quality mark and finished with fausses cotes decoration. The movement contains 40 jewels and employs a straight-line lever escapement. Accuracy is regulated by a Gyromax balance, which is adjusted for heat, cold, isochronism, and five positions. Further technical features include a self-compensating freesprung Breguet balance spring and a shock absorber system. The self-winding mechanism is driven by a 21K gold rotor that utilizes an oil-free ball bearing system containing zirconium balls.
- Provenance and Accompanying Documentation
- The watch was sold on May 12th, 2010. It is presented as a complete set, accompanied by its original fitted box and the Certificate of Origin. Also included with the object are the setting pin, which is necessary for manipulating the calendar correctors, and the instruction booklet. The auction description reports a grading of AAA, with the case and dial described as 'as new'.
Identification
- Reference
- 5960 P-001
- Serial number
- 4457410
- 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.
Research required
- Research required: Condition report suggests overhaul is recommended at buyer's expense
- Research required: The specific clarity grade of the Top Wesselton diamond is not stated