![Simple Clock Mainspring Winder (10444247631)](http://perrinwatchparts.com/cdn/shop/products/64.4126-300_300x300.jpg?v=1595350509)
Simple Clock Mainspring Winder a Bergeon quality Swiss made mainspring winder, simple execution. This winder has a pawl that allows the user to wind mainsprings in either direction. Length of frame is 105mm, includes 3 hooked attachments and 1 double pin. Simple Clock Mainspring Winder adjusts vertically for holding the mainspring. Simple Clock Mainspring Winder is designed to be held in a bench vice.