a powered device that rotates an automatic watch to keep it wound and running when not on a person's wrist. See the major section Watch Winders for more information.

A watch winder is a mechanical devise used to maintain the winding on an Automatic Watch . Automatic watches require constant wearing or they need to be placed in a watch winder box to maintain the winding and settings of the automatic watch. A watch winder allows you to own more than one automatic watch and not have to worry about resetting the time on any of them.