Crafted for true aviation lovers, the Khaki Aviation Pilot evokes the spirit of exploration and adventure of the Khaki. Powered by the H-10 automatic movement with an 80-hour power reserve and Nivachron™ balance spring. The Khaki Aviation 39mm sits on a brushed and polished stainless-steel bracelet paired with an all-black dial. CASE Case material: Stainless steel Case size: 39mm Thickness (mm): 11.6 Dial color: Black Crystal: Sapphire Lug width: 20mm Power reserve: 80 hour Water Resistance: 10 bar (100m)/145 psi (328ft) Anti Reflection: Yes Open Case Back: Yes Nivachron: Yes MOVEMENT Caliber: H-10 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 Easy Click: Yes REF: H76305130