Rule over your collection with authority with a timeless Viceroy double watch winder with storage. A modern classic that exudes an understated elegance. The Viceroy includes a smooth pebble exterior, silver textured silk lining, locking glass cover, backlit LCD display, chrome finished hardware and 2 winding modules. Only a WOLF watch winder counts the precise number of turns per day to give your watch the perfect wind. Set between 300-1200 turns per day and choose from three directional setttings: clockwise, counter clockwise and bi-directional. Once the cycle is complete, your watch will return to the position you chose to start it in with our exclusive return to start technology.Additional features include: Patented lock-in dynamic cuff that secures your timepiece into the rotator drum and can accommodate any wrist size. Power reserve settings, 6 to 72 hours in increments of 6 hours power reserve setting to accommodate watches with a power reserve, giving the watch time to release stored energy before the winding program begins. Battery option: Runs solely on AC power (universal adapter included).