This Wolf Designs Memento Mori Cub watch winder is comprised of white vegan leather embroidered with a skull design. The winder features one winding module, brushed chrome skull hardware, and an ultrasuede interior. This winder features pre-programmed pause and sleep cycles. It makes 900 turns per day. This bi-directional winder can be powered by the included universal AC power adapter or via AA batteries. AA batteries not included with purchase.