Comsco Mainspring #2076 for Elgin 6s Factory No. 824 - Steel

Comsco Mainspring #2076 for Elgin 6s Movements, Factory No. 824, steel, new in envelope. Distributed by Burton M. Reid and Sons. See images for further details and precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.