This Wolf Designs Memento Mori double Cub watch winder is made of red vegan leather with skull embroidery. Includes ultrasuede interior accented by brushed chrome skull hardware with LED lighting. This bi-directional winder makes 900 turns per day and has pre-programmed sleep and pause phases. The winder can be powered by the included universal AC power adapter or by AA batteries. Batteries are not included with purchase.