NuVigor Mainspring #108 for Elgin 5/0s Factory No. 2705 - Steel

NuVigor Mainspring #108 for 5/0s Elgin, Factory No. 2705, steel, new in envelope. See image for precise specifications. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.