Jurgensen Mainspring #698 for Illinois 8s No. 47355 - Steel

Jurgensen Mainspring #698 for Illinois 8s movements, Factory No. 47355, steel, new in envelope. See images for further details. I likely have several of these so the one you get may differ slightly from the images. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed, even the cheap ones. Images do a pretty good job of representing the item.