Detailed in golden trim and architecturally shaped, this winder in British-racing green uses patented technology to keep your automatic watches precisely wound. Directional settings: clockwise, counter clockwise and bidirectional 10-second start delay with variable settings between 300-1200 TPD (turns per day); double the amount of TPD by selecting bidirectional setting Power reserve setting: 6 to 72 hours power reserve setting to accommodate watches with a power reserve, giving the watch time to release stored energy before the winding program begins Patented lock-in cuff locks your timepiece into the rotator drum for a secure fit, with low-density foam construction to accommodate all wrist sizes without putting pressure on your bracelet Runs on AC power (universal adapter included) Synthetic Imported