Citizen Perpetual Chrono A-T Eco-Drive Titanium Chronograph Mens Watch AT4010-50E Titanium case with a titanium bracelet. Fixed titanium with tachymeter bezel. Black / silver guilloche dial with silver-tone hands and index hour markers. Tachymeter. Dial Type: Analog. Luminescent hands and markers. Date display at the 4 o'clock position. Three - 12/24 hours, time zone and 1 second. Eco-drive movement. Eco-drive e650, atomic timekeeping, radio controlled engine. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case diameter: 42 mm. Case thickness: 13 mm. Round case shape. Band width: 24 mm. Band length: 8 inches. Fold over with hidden double push button clasp. Water resistant at 200 meters / 660 feet. Functions: chronograph, 1-second chronograph, power reserve indicator, alarm, day-date, 12/24-hour.