Sandsteel Mainspring for Waltham 6/0s C Size 1945 Model No. 2248 - Steel

Sandsteel Mainspring for Waltham 6/0s Model 1945 "C" size running barrel military (mostly) movements, Factory No. 2248, steel, new in envelope. See images for precise specifictions. 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.