Young, smart and uncomplicated, the cub takes care of your watch with ease. Six sides perfectly proportioned to encase your timepiece safely and precisely. Never miss a beat in your busy life. Features black vegan leather, chrome finished hardware and single winding module. Patented Innovation – Every WOLF winder counts the precise number of rotations. All other winder estimate the number of rotations. Rotation: 10 second start delay, 900 TPD (Turns Per Day), patented rotation programs – Intermittent rotation with pause and sleep phases pre-programmed. Directional Settings: Bi-directional. Battery Option: Option to run the unit on AC power (universal adapter included) or AA batteries – alkaline or lithium (lithium batteries will last twice as long as alkaline batteries). Batteries not included.