Detailed with clean, modern lines, this faux-leather-clad winder uses patented technology to keep your automatic watches precisely wound. An integrated storage compartment adds another layer of utility. Directional settings: clockwise, counter clockwise and bidirectional 10-second start delay with variable settings between 300 and 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; low-density foam accommodates all wrist sizes without putting pressure on the bracelet Runs on AC power (universal adapter included) Synthetic Imported