Patek Philippe Complications Annual Calendar Moon Phase Very Good Condition! Patek pre-owned box and Extract from Archives, dated 2002. Brand Patek Philippe Model Annual Calendar Reference 5056P Case 37 mm, Platinum 950. 10.8 mm thickness. Case set with 1 diamond ~0.02 ct at 6 o'clock. Dial Grey dial features month sub-dial at 3 o’clock, moon phase indicator and date aperture at 6 o’clock, day of the week sub-dial at 9 o’clock, power reserve of 12 o’clock. Crystal Scratch Resistant Sapphire. Movement Automatic Swiss Made Caliber 315 S IRM QA LU, features 37 jewels. Power reserve of 48 hours. Stamped with the Hallmark of Geneva. Bracelet Dark grey alligator leather strap with original platinum tang buckle.