Stainless steel case with a black leather strap. Fixed stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers. Tachymeter markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - two sub-dials displaying: 60 second and 30 minute. VALJOUX A05.H31 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Solid case back. Round case shape. Case size: 45 mm. Case thickness: 16.59 mm. Band width: 22 mm. Butterfly clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, date, hour, minute, second. Alpine On Board Series. Casual watch style. Watch label: Swiss Made. Tissot Alpine on Board Chronograph Automatic Black Dial Watch T123.427.16.051.00.