This Wolf British Racing single watch winder is comprised of British racing black vegan leather. It features one winding module which can be set to turn from 300 to 1,200 turns per day clockwise, counter clockwise, or bi-directional. More features include a 6 to 72 hour power reserve setting, 10 second start delay, and a return to start option. The winder can be powered by the included AC power adapter or D-Cell batteries. Batteries not included. It measures approximately 7.75″ L X 8″ W X 9″ H.