Royal Oak Perpetual Calendar

18kt yellow gold case with a yellow gold-tone 18kt yellow gold bracelet. 8 screws fixed 18kt yellow gold bezel. Blue dial with yellow gold hands and index hour markers. Week markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar. Four sub-dials displaying: month, moonphase, date, day of the week. Audemars Piguet Calibre 5134 Automatic movement, based upon Audemars Piguet 2120, containing 38 Jewels, composed of 374 parts, bitting at 19800 vph, and has a power reserve of approximately 40 hours. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Octagon case shape, case size: 41 mm, case thickness: 9.5 mm. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, moon phase, leap year, month, date, day, hour, minute. Royal Oak Prepetual Calendar Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Prepetual Calendar Automatic Mens 18 Carat Yellow Gold Watch 26574BA.OO.1220BA.01.