This Wolf Designs British Racing watch winder is made of black vegan leather with gunmetal hardware. Functions include a lock-in dynamic cuff, a return to start feature, a 10 second start delay, and a 6 to 72 hour power reserve setting. The eight winding modules can be programmed to turn between 300 and 1,200 turns per day clockwise, counter-clockwise, and bi-directional. The winder is secured by a locking glass cover. It is powered by AC power with the included adapter. This winder measures approximately 20.5″ L X 6.5″ W X 13.25″ H.