HiPai Single Automatic Watch Winder

This automatic watch winder keeps self-winding mechanical watches running when they're not in use. It features a space-capsule design and comes with a power adapter. Dimensions are approximately 15.2cm x 17.2cm x 15.8cm (6" x 6.8" x 6.2"). This is useful for anyone with an automatic watch collection who wants to keep their timepieces wound and ready.