Royal Oak Perpetual Calendar Automatic Blue Dial Men’s Watch

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).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 Men’s Watch 26579CS.OO.1225CS.01.