Comsco Mainspring #10760 for Elgin 6s Factory No. 824 - Steel

Comsco Mainspring #10760 for Elgin 6s Movements, Factory No. 824, steel, new in envelope. Distributed by Burton M. Reid and Sons. See images for precise mainspring specifications. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.