Hamilton H76215850 Khaki Aviation Pilot AutoProduct Overview Designed for true aviation enthusiasts, the "Khaki Pilot" evokes the curiosity and adventurous spirit of "Khaki." This 36mm model is equipped with a Nivacron hairspring and features the H 10 automatic movement with a standard power reserve of 80 hours, catering to the trend for smaller sized watches. This model meets the precision required in the cockpit and performs well both in the air and on the ground with its more compact design.