NuVigor Mainspring #184 for 12s Waltham No. 2224A - Steel

NuVigor Mainspring #184 for Waltham 12s movements, Factory No. 2224A, hole end, steel, new in envelope. See images 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 an adequate job of representing the item.