Simply elegant designed, Tresor Bello Single Watch Winder is battery and electrically powered, and comes with unique stackable design that enables you to connect multiple winders for more watches through single power source.  Tresor Watch Winder ensures all sell-winding watches have sufficient energy in their clockwork for a constant and steady motion. It is an important accessory that keeps your automatic watches running in top condition by preventing the lubricants from solidifying, extending the life of your watch.  This is a perfect addition to any home to keep your watches and investment pieces running smoothly.