Stainless steel case with a black leather strap. Uni-directional rotating stainless steel bezel. Silver dial with luminous silver-tone hands and Roman numeral hour markers. Minute markers. Tachymeter markings around the outer rim. Dial Type: Analog. Luminescent hands. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hours. ETA-Valjoux caliber 7750 automatic movement, containing 25 Jewels, bitting at 28800 vph, and has a power reserve of approximately 44 hours. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Round case shape> Case size: 45 mm. Case thickness: 15 mm. Band width: 22 mm. Band length: 8 inches. Deployment clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter,date, day of the week, hour, minute, second. Air Speed Series. Sport watch style. Watch label: Swiss Made. Revue Thommen Air speed Chronograph Automatic Silver Dial Mens Watch 16071.6838.