Hamilton Khaki Field Mechanical Officer H69519133 Mens WatchHamilton Khaki Field Mechanical Officer H69519133 Men's Watch A simply great watch that does more than it shows. The Khaki Field Mechanical Officer offers the basic functions. Its forte are its components; they are made to withstand a no nonsense, rugged use. A timepiece that never goes overlooked, its iconic stature comes from being a fully mechanical hand cranker. A lovely throw back to the olden outdoors. Its meant for fun.