Black Leather Single Automatic Watch Winder with Built-in Smart IC Timer for most kinds of automatic watches keeps your automatic timepieces wound and ready to wear when you need it. World’s finest watches, from Rolex to Patek, use Automatic movement. These complex timepieces need normal everyday movement in order to run, and will shut off when not worn. So the solution is to put your watch on an Automatic Watch Winder which will mimic everyday movement in order to keep your watch wound and ready to go. The silent motor with directional controls keeps almost any automatic watch wound. The Built-in Smart IC timer will control the winder to run at 4 different timer settings. This watch winder has 4 different program settings. Knob program settings : 1st stop : unit is off. 2nd stop : winder will rotate clockwise for 2 minutes and rest for 6 minutes. 3rd stop : winder will rotate counter-clockwise for 2 minutes and rest for 6 minutes. 4th stop : winder will rotate clockwise for 2 minutes, rest for 6 minutes then it will rotate counter-clockwise for 2 minutes, rest for 6 minutes. 5th stop : winder will rotate clockwise for 5 minutes then counter-clockwise for 5 minutes. This cycle will repeat continuously for 3 hours then rest for 9 hours. The high quality materials and craftsmanship goes into each and every winder. 110VAC adaptor included. Weight 6 lb. Make sure you always buy a winder that is backed by a strong company that is willing to stand behind their product. Diplomat is that type of company, which is why they offer a 1 year warranty on all of their winders.