Hamilton Khaki Field White Dial Mechanical H69439411 Men's Watch The new Khaki Field Mechanical is a faithful recreation of the original 1960s model and remains true to military heritage. Itâs built to last, this original soldierâs watch. Its old, radium-colored lume stays intact; its classic army style making it rugged, resilient and robust. Built for them into outdoors and adventures and competes with some of the world renowned bests.