NuVigor Mainspring #210 for 10 ligne Waltham Factory No. 2229 - Steel

NuVigor Mainspring No. 210 for 10 ligne Waltham movements, Factory No. 2229, steel, new in envelope. See image for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.