Audemars Piguet Calibre 5900 automatic movement with 29 jewels and a power reserve of about 60 hours at 28800 vph. Rose gold-tone bezel set in an 18kt rose gold case, fixed bezel with diamonds. Silver-tone dial featuring rose gold-tone hands, index hour markers, minute markers around the outer rim, analog display type and a date function at the 3 o'clock position. Round-shaped watch measuring 37mm wide x approximately 9mm thick. Equipped with scratch-resistant sapphire crystal, fold-over clasp including safety release mechanism, transparent see-through case back, water resistance up to 50 meters or 165 feet. Includes original box, international warranty card and manual as complete accessories.