Stainless steel case with a black rubber strap. Fixed stainless steel bezel 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. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 seconds, 30 minute, and 12 hour. Automatic movement with a 40-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Case size: 42 mm. Case thickness: 13 mm. Round case shape. Deployment clasp with push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Hublot Super B Automatic Chronograph Black Dial Black Rubber Mens Watch 1921.NL40.1.