The Tag Heuher Formula One Chronograph is a stylish sports watch with an authentic design. Features include: Green Dial, Luminous Black Hands and Stick Hour Markers, Minute markers around the outer rim, Date function at 4 o'clock, Water resistance up to 200 meters (660 feet), Tachymeter bezel scale, Chronograph functions including 1/10th second precision, 60-second counter, and 30-minute subdials. Powered by a battery-operated quartz movement with screw-down crown and sapphire crystal resistant to scratches.