Hexagonal case with a brown (hornback) leather strap. Fixed stainless steel bezel. Silver (waffle design) dial with black hands and Arabic numeral hour markers. Tachymeter scale appears around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display appears at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with 55 hour power reserve. Scratch resistant sapphire crystal. Screw down black rubber clad crown. Solid case back. Case dimensions: 42 mm x 54 mm. Case thickness: 14.2 mm. Round case shape. Band width: 20.3 mm. Band length: 8 inches. Deployment clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, calendar, chronograph, tachymeter. Sport watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Offshore Chronograph Mens Watch 26170ST-OO-D091CR-01.