Audemars Piguet Royal Oak Chronograph Automatic, Black Dial Men's Watch. Features a black ceramic case and bracelet, fixed black ceramic bezel, black dial with rose gold-tone hands and index hour markers including luminous coating on both. Minute markers around the outer rim, date display at 4-5 o'clock position. Equipped with chronograph function featuring three sub-dials for seconds, minutes, and hours respectively. Powered by Audemars Piguet Calibre 4401 Automatic movement containing 40 jewels and composed of 367 parts. Movement has a bitting rate of 28800 vph and approximately 70-hour power reserve. Features include scratch-resistant sapphire crystal, screw-down crown with safety release, transparent case back, octagonal shape measuring 41mm diameter and 12.4mm thickness. Water resistant up to 50 meters or 165 feet.