NuVigor Mainspring #163 for 16s Waltham No. 2208 - Steel

NuVigor Mainspring #163 for Waltham 16s Model 1872 movements, Factory No. 2208, T-end, steel, new in envelope. See image for further details. 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.