Silver-tone stainless steel case and bracelet. Bi-directional rotating blue stainless steel bezel. Blue dial with silver-tone hands and index hour markers. Tachymeter scale around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 oclock position. Hamilton Calibre H-21-Si automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 44 mm, case thickness: 14.6 mm. Band width: 22 mm. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Khaki Aviation Series. Sport watch style. Watch label: Swiss Made. Hamilton Khaki Aviation Chronograph Automatic Blue Dial Watch H76746140.