Patek Philippe Perpetual Calendar Retrograde 36mm Solid 18K Rose Gold Watch Ref. 5059R W/Black Alligator Band (Comes W/Box & Papers) - This stunning, investment quality timepiece was made by one the most prestigious luxury watchmakers in the industry, Patek Philippe. This Perpetual Calendar Retrograde watch is truly a collector's dream, and a must-have for any watch collector or enthusiast. The watch features: 36mm solid 18k rose gold three-part officer's style case with hinged case back over transparent crystal to view the movement and extended screwed lugs; automatic caliber 315/136, 31 jewel rhodium-plated movement with fausses cotes decoration, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, and self-compensating free-sprung flat balance spring; white dial with painted radial Roman numerals, outer minute and 1/5 seconds track, retrograde sector for the days of the month in the center, apertures for the days of the week at 9 o'clock, the months at 3, the leap years at 12 and the moon phases at 6, and oxidized gold feuille hands; sapphire crystal; and black alligator strap with 18k rose gold deployment buckle with Calatrava cross detail. The watch will come with the Patek Philippe box and papers. Length: 6.75" buckle to first hole, 8" buckle to furthest hole. Movement #: 323XXXX, Case #: 423XXXX, Ref. #: 5059R. Condition: The watch is working and is in excellent condition with very minimal wear.