Audemars Piguet Royal Oak Perpetual Calendar Automatic Mens 18 Carat Yellow Gold Watch - Model AP26574BAOO1220BA

18k yellow gold case with an 18k yellow gold-tone bracelet fixed by eight screws. Features a screw-down crown and an octagonal shaped case measuring 41mm diameter and 9.5mm thick. Blue dial displays analog time using yellow gold hands and index hour markers, including week indicators around the outer rim. Equipped with perpetual calendar functionality featuring four sub-dials for month display, moon phase, date, and day of the week indications. Powered by an automatic Audemars Piguet Calibre 5134 movement based on the Caliber 2120, containing 38 jewels composed of approximately 374 parts with a frequency of 19,800 vph and offering a 40-hour power reserve. Features a scratch-resistant sapphire crystal glass, luminous coating on hands and markers for enhanced legibility in low light conditions, skeleton transparent exhibition case back allowing visibility of the movement, water resistance up to 200 meters (660 feet). Luxury Swiss made watch.