Powered By A 3v Transformer, The Winder Makes The Safeguarding Of Your Precious Timepieces In The Safe, Wardrobe, Study And Bedroom Together Along With Other Jewellery Safe And Convenient. The Automatic And Self-Winding Functions Ensure Precise Mechanical And Timing Accuracies Of Collected Watches, Putting Them In Pristine Condition And Ready To Wear Any Time Hence Makinf It An Essential Tool For Any Watch Collector And Enthusiaist