The khaki field mechanical is a faithful recreation of its original 1960s forebear and is true to hamilton’s military heritage. Inspired by the military, built to last, this is the original soldier’s watch. 38mm matte stainless steel case white three-hand with triangular indexes and old radium-color super-luminova® sapphire crystal powered by h-50 caliber mechanical movement with an 80-hour power reserve green nato fabric strap; buckle clasp 50-meter water resistance