Stainless steel case. Stainless steel tachymeter bezel. Silver guilloche dial with luminous hands and index hour markers. Minute markers around the outer rim. Luminescent hands and markers. Date displays at the 12 o'clock position. Chronograph - two sub-dials displaying: 30 minutes and 1/10th seconds. Swiss quartz movement. Scratch resistant sapphire crystal. Screw down crown. Screw down case back. Case diameter: 44 mm. Water resistant at 200 meters/ 660 feet. Functions: hours, minutes, seconds, date, chronograph. Tag Heuer Formula 1 Chronograph Men's Watch