Wolf British Racing Single 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. Directional settings: Clockwise, counter clockwise and bi-directional. Battery: Option to run on AC power (universal adapter included) or D-Cell/Lithium batteries (not included).