Patek Philippe 5055G Moon Phase Power Reserve Black Dial 18K White Gold (31130)

31130 Patek Philippe 5055 G Power Reserve Moonphase, 5055G, 18k white gold on a strap with an 18k white gold deployant clasp, hallmarks are deep and defined, automatic movement, black dial, moonphase, power reserve indicator, calendar date, size: 36mm, thickness: 9mm, sapphire crystal, water resistant, display back, Like New with box and papers, dated 07/1998.


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More about Patek Philippe 5055G Moon Phase Power Reserve Black Dial 18K White Gold

This is an 18K white gold Patek Philippe Power Reserve Moonphase, 5055G. It has an alligator leather strap with a matching 18K white gold deployant clasp, a scratch resistant sapphire crystal a sapphire crystal, and a screwed-down exhibition sapphire crystal case back. The 36mm diameter solid two-body case, sloped bezel, and straight lapidated lugs are polished/brushed. The dial is black with applied white gold radial Arabic numerals, luminous yellow gold baton hands, an outer railway-style minute chapter ring, and square index markers. There is an off-center moon phase surrounded by the days of the month between 6 and 8 o'clock, a fan-shaped up-and-down power reserve indicator between 10 and 11 o'clock, and a subsidiary constant small seconds dial between 4 and 5 o'clock. It's water resistant to 25 meters/80 feet, and the 9mm thick case, dial, and movement are all signed.

The automatic caliber 240/164 movement is rhodium plated with fausses cotes embellishment, and it has the quality stamp of the Seal of Geneva. It's constructed with 29 jewels, a straight-line lever escapement, and the patented Patek Gyromax balance adjusted for cold, heat, isochronism, and 5 positions. It has a shock absorber a self-compensating free-sprung flat balance spring, and a 22K yellow gold micro-rotor.

Patek Philippe introduced their first moon phase complication in 1927. This watch was first produced in 1998.