Men's Audemars Piguet Royal Oak model 26331OR.OO.1220OR.02. 18K Rose Gold case, fixed bezel with rose gold set lugs and butterfly clasp. Chocolate dial featuring large tapisserie pattern, rose gold-tone hands and index hour markers, minute markers around the outer rim. Analog display powered by automatic Audemars Piguet Calibre 2385 movement (37 Jewels, ~304 parts, bitting rate 21600 vph) with date function at the 4-5 o'clock position and luminescent coating on hour/minute markers. Sapphire crystal glass is scratch resistant with a screw down crown and transparent case back. Chronograph functions include sub-dials for 60 seconds, 30 minutes, and 12 hours. Water resistant up to 50 meters / 165 feet.