Amazon.com: Wolf Module 4.1 Watch Winder, Black - Secure Fit 。The ultimate, the one, the only. 4.1 is the solution to the dilemma, “how many winders?” You own one watch no problem, you have three, we can take care of that. Once you buy another watch, buy another 4.1 winder. They connect and are powered together. Build your own watch winder tower, be creative! 4.75\" L x 6\" W x 6.25\" H Directional settings: Clockwise, counter clockwise and bi-directional Cuff: Patented lock-in cuff ‘locks’ your timepiece into the rotator drum for a secure fit. Low density foam to accommodate all wrist sizes without putting pressure on your bracelet.