Patek Philippe 5960/1A-001 Annual Calendar Chronograph SS / SS (32671)

32671 Patek Philippe 5960/1A Annual Calendar Chronograph 5960 5960/1A-001 59601A001, stainless steel on a stainless steel bracelet, automatic Patek caliber CH 28-520 IRM QA 24H, 55-hour power reserve, annual calendar with day, date & month at the top of the dial, 12 hour chronograph, power reserve indicator, light silver dial with black stick numerals, red chronograph seconds hand, sapphire crystal, display back, water resistant, size 40.5mm, thickness 13.5mm, Like New with box and a photocopy of the original certificate; dated 5/2015.


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More about Patek Philippe 5960/1A-001 Annual Calendar Chronograph SS / SS

This is a stainless steel Patek Philippe Annual Calendar Chronograph 5960/1A-001. It has an stainless steel multi-link bracelet with a double deployant buckle, and a scratch resistant sapphire crystal. There are correctors in the band and a screw-down transparent sapphire crystal case back. The 40.5mm diameter solid two-body case, downturned lugs, and concave bezel are polished. The light silver dial has applied black steel faceted baton hour markers, luminous dots, and steel luminous feuille hands, as well as a center sweep red chronograph seconds hand. It has outer minute and 1/5th seconds divisions, and a guilloche silver subsidiary dial for the combined 30/60-minute and 12-hour totalizer. There is a power-reserve indicator at 12 o'clock, apertures for the days of the week, the date, the months, as well as a day/night indicator. It has a round button fly back chronograph and it's water resistant to 30 meters/100 feet. It has a 55-hour power supply, and the 13.5mm thick case, dial, and movement are all signed.

This Patek Philippe Annual Calendar Chronograph 5960/1A-001 has a mechanical automatic self-winding caliber CH 28-520 IRM QA 24H movement that's rhodium-plated with causses cotes embellishment and it's stamped with the Patek Philippe seal. It's constructed with 40 jewels, 456 parts, and a straight-line lever escapement. There is a shock absorber mechanism and the patented Patek Philippe Gyromax balance that compensates for cold, heat, isochronism, and 5 positions. It has a self-compensating free-sprung Breguet balance spring, and a 21K gold rotor with oil-free ball bearing and zirconium balls. It has a power reserve of up to 55 hours

The Patek Philippe Annual Calendar Chronograph 5960/1A-001 was introduced in 2006. In 1996 Patek received a patent for their Annual Calendar mechanism, while their annual calendar watch (only having to be manually adjusted once every 365 days) was selected watch of the year in the Basel show.