Stainless steel case with a black rubber strap. Fixed rubber clad steel bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Chronograph - sub-dials displaying: two: 30- minutes and 60- seconds sub-dials. Audemars Piguet Calibre 2889 hand wind movement with about 72 hours of power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent case back. Case size: 44 mm. Case thickness: 13.15 mm. Round case shape. Deployment clasp. Water resistant at 20 meters / 65 feet. Functions: tourbillon, chronograph, column wheel, hour, minute, small second. Luxury watch style. Watch label: Swiss Made. Item Variations: 26377SK OO D002CA01, 26377SK-OO-D002CA01, 26377SK/OO/D002CA01, 26377SKOOD002CA01. Audemars Piguet Royal Oak Offshore Chronograph Tourbillon Mens Watch 26377SKOOD002CA01.