Stainless steel case with a black leather strap. Fixed stainless steel bezel with black top ring showing tachymeter markings. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph – three sub-dials displaying: 60 second, 30 minute and 12 hour. Hand wound movement with a 48 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 42 mm. Round case shape. Band width: 24.13 mm. Band length: 9.5 inches. Deployment clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, tachymeter, hour, minute, second. Additional Info: includes nato strap, velcro strap & sizing tool. Casual watch style. Watch label: Swiss Made. Omega SpeedMaster Professional Moonwatch Chronograph Black Dial Black Leather Mens Watch 31133423001002.