This sporty yet refined Hamilton Pilot Pioneer Khaki Aviation Men’s Watch retains an indisputably technical feel and is a beautiful tribute to the brands aviation and military heritage. At A Glance  Presented on a soft brown calf leather strap with pin buckle 43mm stainless steel case with a water resistance of 100m Bi-directional rotating bezel Black dial with 1 sub dial Gold numeral markers and hands Sapphire crystal glass Powered by an automatic movement 50-hour power reserve