The Khaki X-Wind Automatic is the world’s first drift-angle calculator in a watch, enabling pilots to accurately calculate and record the crosswinds they will encounter on their planned journey. And for those needing to navigate their way through life on the ground, this Hamilton timepiece is also the perfect co-pilot. The stylish, rugged look of this innovative Chronograph is sure to turn heads, while its accuracy and function ensure a smooth flight.
The Hamilton H-31 and H-21 are based on the chronograph Valjoux movements 7753 and 7750. Four elements have been modified:
- The spiral has been glittered to increase accuracy and stability.
- The main spring has been improved to increase a typical power reserve of 60 hours.
- The automatic device bridge has been modified to offer decorative possibilities for personalization to the brand.
- Customized balance bridge with Hamilton H-pattern