Answer
May 20, 2022 - 09:53 AM
Hello, x-wind is a feature for aviation.
“The Khaki X-Wind 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."
Regarding the power source of this particular watch, this is a Quartz watch, meaning battery-powered. There are automatic watches and quartz watches - automatic watches do still require that they are wound, however some watches can maintain a power reserve longer than it would last using the movement of the watch on your wrist after they have been fully wound. Still, if there is no battery a watch will require some sort of winding.
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