展开Stainless steel case with a black leather strap. Fixed stainless steel bezel. Black dial with luminous silver-tone hands and Arabic numeral hour markers. Minute markers. Tachymeter marking around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. 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: 41 mm. Case thickness: 14 mm. Band width: 22 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, tachymeter, date, day, hour, minute, second. Airspeed Series. Sport watch style. Watch label: Swiss Made. Revue Thommen Airspeed Chronograph Automatic Black Dial Mens Watch 17081.6537.