The khaki field king auto day date blends the rugged construction and elegant design of the khaki line with the proven craftsmanship expressed in its exclusive h 30 caliber with its typical 80 hours power reserve the khaki line is designed to portray the essence of the original hamilton military watches produced in the 1940s and as such this watch features handsome retro styling fastened with a retro stainless steel bracelet the 42mm case is topped with a slender stainless steel bezel the