Climbing mountains, trekking through the forest or negotiating the urban jungle: The Khaki Field Auto is equal to your needs out in the field. With the exclusive H-10 automatic caliber offering up to 80 hours of power reserve, it won't let you down. CASE Case material: Stainless steel Case size: 42mm Thickness (mm): 11 Dial color: Black Crystal: Sapphire Lug width: 22mm Power reserve: 80 hour Water Resistance: 10 bar (100m)/145 psi (328ft) Open Case Back: Yes MOVEMENT Caliber: H-10 Movement: Automatic A three-hand movement with or without a date function and boasting a superior power reserve of 80 hours, the H-10 appears with intricate contrasting snail and pearled patterns for the American Classic models it drives and streamlined surfaces for the pilots’ watches. BRACELET/STRAP Strap: Stainless steel Buckle type: Folding clasp REF: H70515137