Stainless steel case with a silver-tone stainless steel bracelet. Fixed stainless steel bezel. Grey dial with index hour markers. Dial Type: Analog. Audemars Piguet Calibre 4302 Automatic movement, containing 32 Jewels, bitting at 28800 vph, and has a power reserve of approximately 70 hours. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Case size: 41 mm, case thickness: 10.5 mm. Deployment clasp. Water resistant at 50 meters / 165 feet. Functions: date, hour, minute, second. Additional Info: original box, international warranty card, manual (complete accessories). Royal Oak Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak "50TH ANNIVERSARY" Automatic Grey Dial Men's Watch 15510ST.OO.1320ST.05.