Hamilton Watch Khaki Aviation X-Wind GMT Chrono Quartz H77932560. Are you looking for the perfect Swiss pilot’s watch? With our prestigious heritage of serving the flying community Hamilton aviator watches are reliable and have a reputation for accuracy. Whether you’re looking for an automatic watch, GMT watch or pilot’s chronograph, you’ll find the ideal watch in our collection of precision timepieces made for professional pilots. Adventure meets accuracy in our Khaki Aviation watches.