Wirelug or open-end watch straps for Vintage watches They can be found all over the world, vintage watches. From early 1920's till the early 60's. Most are nowadays considered unisex sizes while in the ancient...
There are two ways to select the correct mainspring for your watch movement. What you need is the "Catalogue of sizes of referred watch mainsprings" by Uniressor, for both ways of search. The mainsprings come...