Condition: UnwornGender: Men’sDial Color: SilverCase: 18k Rose Gold 38mmStrap: Crocodile LeatherBezel: 18k Rose GoldCrystal: Scratch Resistant SapphireMovement: AutomaticWater Resistant: 30m / 100ftBox: YesPapers: YesCertificate of Authenticity: YesWarranty: Yes Additional Information: Patek Philippe Retrograde Perpetual Calendar gent's watch, Model # 5160/500R-001.18kt rose gold 38mm hand engraved case with a crocodile leather strap and 18k rose gold buckle. Silver Opaline, hand guilloche sunburst center dial with Roman and Arabic numeral hour markers. Automatic movement, Patek Philippe Caliber 324 S QR (30 jewels, 21,600vph, 361 parts). Hours, Minutes, Center Sweep Second, Date indication along 8 to 4 arc in dial center. Apertures for day of week at 9, leap year at 12, month at 3 and moon-phase at 6. Sapphire Crystal - Transparent Exhibition Back (below hinged dust cover). Water resistant to 30m / 100ft.Perpetual calendar – watch will correctly adjust for short and long months as well as 28/29 days of February once every 4 years.Also known as:Patak, Phillipe, Phillippe, 5160R, 5160r001, 5160, 5160R500R001, 5160R500R Subject To Availability