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Automatic watch. An automatic or self-winding watch is a mechanical watch in which the mainspring is wound automatically as a result of the natural motion of the wearer to provide energy to run the watch, making manual winding unnecessary. A mechanical watch which is neither self-winding nor electrically driven is called a manual watch. Most mechanical watches manufactured today are self-winding.
Fully automatic means that the watch canât be wound from the crown. The only watch that comes to mind is a basic Seiko auto. They have eliminated the winding pinion on the watch so that the only way to wind the watch is to wear it and have the auto do its work.ully automatic means that the watch canât be wound from the crown. The only watch that comes to mind is a basic Seiko auto. They have eliminated the winding pinion on the watch so that the only way to wind the watch is to wear it and have the auto do its work.