Hamilton watch khaki aviation pilot pioneer auto chrono inspired by hamilton timepieces created in the 1970s for the british royal air force the khaki pilot auto chrono is dedicated to uniting the aspiration of flying mans oldest dream with down to earth reliability robustness and wearability bold super luminova numbers a strongly domed sapphire crystal glass and the sandblasted stainless steel case are all reminiscent of its ancestor but powered by the newest h 31 hamilton chronograph m