Audemars Piguet Royal Oak Automatic Mens Watch 15500ST.OO.1220ST.04 Silver Dial

Automatic mechanical movement, Calibre 4302 with 32 Jewels and 28800 vph frequency. Approximate 70-hour power reserve. Stainless steel case shaped octagon measuring 41mm diameter by 10.4mm thick. Silver-tone stainless steel bracelet secured with a fold over clasp. Fixed silver-tone bezel set with 8 screws. Analog dial displaying indices and minute markers at outer rim, featuring luminous hour markers for hours and minutes, day/night disc or date function? No, Royal Oak has date display at the 3 o'clock position. Luminous hands and markers for enhanced nighttime readability. Sapphire crystal glass is both scratch resistant and anti-reflective coated (assume standard unless specified otherwise). Screw-down hermetic case back with transparent element allowing view of movement. Water resistance to 50 meters / 165 feet suitable for swimming but not diving.