Cellini Module 4.1 Single Watch Winder in Black Color with Cover, 4540CEL Cellini Module 4.1 Watch Winder Have a growing collection? The 4.1 winder's unique modular design can be stacked with an unlimited amount of units 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 Patented innovation - Counts the precise number of rotations. All other winders estimate the number of rotations Rotation options: 10 second start delay. Can be set between 300 and 1,200 TPD (turns per day). Double the amount of TPD by selecting 1-4