This Wolf Designs British Racing single watch winder is made of black vegan leather with gunmetal hardware. The winding module can be set to turn from 300 to 1,200 times per day with your choice of clockwise, counterclockwise, or bi-directional rotation. Additional features include an 6 to 72 hour power reserve setting, a 10 second start delay, and a return to start option. The top of the winder opens revealing additional storage for two watches. It is secured by a lock and key. The winder is powered by AC power with the included adaptor, or by D-Cell/Lithium batteries. Batteries not included.