Accessories Smartwatches -Silver Fashionable Watch Watches Crown Winder Helper Mechanical Winding 3mm Highlights Brand Generic Silver Fashionable Watch Watches Crown Winder Helper Mechanical Winding 3mm Description: Material: Stainless Steel Practical stainless steel tool for winding your show. The crown on your watch is small and difficult to wind, making it easier to wind all watches. Good quality stainless steel construction, push end to open jaws to fit most small and large crowns. This has a spring mechanism, you push one side which opens the clamp, put it on the crown then the spring holds the crown tight for winding. Specification: Total Length: Approx. 8cm / 3.15inch Color: silver This tool can be used on the following: Winding your mechanical watch very easily and quickly. Set watch time or date in seconds. Adjustable, each size can use in 3 or 4 crown sizes Just press the head plunger and jaws to lock the crown of two-tone presidential watches. Allows you to set the date quickly. Package includes: 1 piece watch crown winder helper