NEW BLACK COLOR 2+3 AUTOMATIC DUAL / DOUBLE WATCH WINDER + 3 DISPLAY STORAGE BOX BATTERY OR AC/DC POWER Built IC Timer for automatic winding, just trun on and it runs Winding Clockwise and counterclockwise automatic Operates on Battery or AC Adapter Winds almost All Kinds of Automatic Watches Compact Can Be Stored in Safe **Refer to product dimension**