<p>The WOLF watch winder has been designed for storing and winding all automatic watches. The size of this watch winder is 13.34cm (L) x 15.88cm (W) x 14.61cm (H). It features: Patented innovation - Every WOLF winder counts the precise number of rotations. All other winders estimate the number of rotations / Lock-in cuff: Patented lock-in dynamic cuff ‘locks’ your timepiece into the rotator drum for a secure fit. Low density foam to accommodate all wrist sizes without putting pressure on your bracelet / Exclusive: Return to start - Your watch will return to the position it started in when the cycle has completed/ 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.<br />