Luxury Automatic Watch Winder 6+7 Style. AC/DC Powered Optional Design. Best gift for Christmas/Anniversary/Father/ Birthday/Valentine’s Day. The internal parts of automatic watches are designed to follow the pull of gravity. Therefore, they don’t have gears that must be wound with a spring. Instead, their tiny weights get pulled by gravity as you move and swing your arm, so little by little these weights are twisting around both clockwise and counter-clockwise, until your watch is wound up. Watches like this are called automatic or self-winding types, as opposed to quartz kinetic, or mechanical watches. If you own fancy, collectible, beloved, or merely sufficient self-winding watches, you may want to invest in ...