Comsco Mainspring for #1032F Waltham 6/0s C 1945 Model Factory No. 2248 - Steel

Comsco Mainspring #1032F for Waltham 6/0s Model 1945 "C" running barrel military (mostly) movements, Factory No. 2248, steel, new in envelope. See images for precise specifications. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a barely adequate job of representing the item.