Patek Philippe 5085/1A-001 Power Reserve Moon Phase Black Dial SS / SS (29279)

29279 Patek Philippe 5085 Power Reserve Moon Phase, 5085/1A-001, 50851A001, Stainless Steel on a Stainless Steel Bracelet, Automatic Caliber 240 PS, Date, Moon Phase, Power Reserve Indicator, Small Seconds, Black Dial with Luminous Hands and Hour Indicators, Display Back, Sapphire Crystal, Water Resistant to 25 Meters, Diameter: 37 mm, Thickness: 9.5 mm, Like New with Box and Papers; stamped with no date.


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More about Patek Philippe 5085/1A-001 Power Reserve Moon Phase Black Dial SS / SS

This is a stainless steel Patek Philippe Power Reserve Moon Phase 5085/1A-001. It has an integral stainless steel bracelet, and a scratch resistant sapphire crystal. The solid 37mm diameter two-body case, wide rounded bezel, and stainless steel bracelet are polished. It has a protected, screwed down winding crown, correctors on the band, and a display sapphire case back secured with 6 screws. The dial is black with white painted radial Arabic numerals, luminous square indexes, an outer minute track, and luminous white Tritium-coated baton hands. There is a subsidiary dial for the small seconds at the 4 o'clock position, a dial for the days of the month at 7 o'clock, a graduated sector for the up-and-down power reserve indication and the moon phases between 10 and 11. It's water resistant to 25 meters/80 feet, and it has a 48-hour power reserve at full wind. The 9.5mm thick case, dial, and movement are all signed.

This Patek Philippe Power Reserve Moon Phase 5085/1A-001 has a mechanical automatic self-winding Patek Philippe caliber 240/164 movement that's rhodium plated, with fausses cotes embellishment, and it's stamped with the Seal of Geneva quality mark. It's constructed with 29 jewels, a shock absorber mechanism, a straight-line lever escapement, and a free-sprung Gyromax balance. There is a self-compensating flat balance spring, and a 22K gold micro-rotor mounted on ball bearings.

Patek Philippe first released the 240 caliber movement in 1977 as a thin base movement for its perpetual calendars allowing for some of the thinnest complication watches. This Patek Philippe Power Reserve Moon Phase 5085/1A-001 is the ultimate evolution of those elegant timepieces.