Hamilton H77616333 Khaki Aviation X-Wind Auto ChronoProduct Overview Innovative, bold, and precise. Hamilton has fulfilled all the conditions that pilots desire in a timepiece. For the first time in a wristwatch, the Khaki X Wind is equipped with a drift correction angle calculator function that allows pilots to accurately calculate the impact of crosswinds on their flight path. With a technical design and automatic movement, it is a stylish model that pilots can wear in the city after landing.