Men's Audemars Piguet Royal Oak Offshore Chronograph featuring an automatic mechanical movement, Caliber AP 2385. Equipped with a scratch resistant sapphire crystal glass and screw down winding crown for enhanced water resistance to 50 meters (165 feet). The octagon shaped case measures 37 mm in diameter and is set with diamonds on the fixed bezel along with an additional row of brilliant-cut stones beneath it totaling approximately 1.02 carats across all markers. White dial with luminous hands and index hour markers, analog display type, date function located between the 4 and 5 o'clock positions, minute markers present around the outer rim. Includes column wheel technology for efficient chronograph operation displaying three sub-dials: one second, one minute, one twelve-hour. Features an automatic mechanical movement containing 37 jewels with a power reserve of about 40 hours.