British Racing Triple Watch Winder with Storage - Black. Rotation options: 10 second start delay. Can be set between 300 and 1,200 TPD (turns per day). Double the amount of TPD by selecting bi-directional setting. Storage: 3 winding modules, 4pc watch storage with suspended cushions (cuff will accommodate up to 52mm case) 1 open compartment, travel case (1pc watch storage, 1 lidded compartment). Battery: Option to run on AC power (universal adapter included) or batteries (not included).