This Wolf Axis Single Winder is crafted in black powder coated steel with copper plated laser cut perforated steel accents. It features suede interior, copper finished hardware, and a locking glass cover. This watch winder includes a storage compartment with three ring rolls, four small compartments, and one watch cuff. The winder runs on AC power or D-Cell batteries. Batteries are not included. The winding module can be programmed between 300 and 1200 turns per day clockwise, counter clockwise, or bi-directional and the winding cuff can fit watches up to 52mm.