Stainless steel case with a stainless steel bracelet. Bi-directional rotating stainless steel bezel with an inlaid black ring. Black dial with luminous silver-tone hands and index hour markers. Minute markers. Tachymeter markings. Conversion markers 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. Hamilton calibre H-21-Si automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Round case shape. Case size: 44 mm. Band width: 22 mm. Fold over clasp with a safety release. Water resistant at 100 meters / 330 feet. Functions: chronograph, tacymeter, date, hour, minute, second. Khaki Aviation Series. Casual watch style. Watch label: Swiss Made. Hamilton Khaki Aviation Converter Auto Chrono Black Dial Watch H76726130.