Ceramic case and bracelet. 8 screws fixed ceramic bezel. Blue dial with index hour markers. Week markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar. Four sub-dials displaying: moonphase, day of the week, date, month (leap year indication). Audemars Piguet Calibre AP 5134 Automatic movement, based upon AP 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. Transparent case back. Octagon case shape, case size: 41 mm, case thickness: 9.5 mm. Butterfly clasp. Water resistant at 200 meters / 660 feet. Functions: date, day, hour, minute, second, astronomical moon, month, leap year. Royal Oak Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Perpetual Calendar Automatic Blue Dial Mens Watch 26579CS.OO.1225CS.01.
