what google told us....
watch mainspring winder set, which is a specialized tool used by watchmakers to safely wind mainsprings into their barrels. Key Components The Mainspring Winder (Far Left): This tool consists of a knurled cylindrical body with a central winding arbor. It is used to coil the mainspring tightly before it is transferred into a watch movement's barrel. Similar models include vintage Kendrick & Davis (K&D) winders. Interchangeable Barrel Winders (Brass Rods): The four brass items to the right are interchangeable winding heads or barrels of various sizes. They feature threaded ends and knurled or smooth bodies designed to fit different sizes of mainspring barrels for various watch movements. General Function This specific kit is essential for watch repair because winding a mainspring by hand can easily damage the delicate spring or the watchmaker's fingers. The tool provides a controlled way to: Hook the mainspring onto the winder's arbor. Wind the spring into the corresponding brass barrel .Directly transfer the tightly coiled spring from the tool into the watch movement's permanent barrel.
- selling off a bunch of vintage watchmaker tools & parts check out our other listings can combine shipping on some smalls!
selling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.