Comsco Mainspring #1006 for Waltham 16s Factory No. 2218 - Steel

Comsco Mainspring #1006 for Waltham 16s Movements, Factory No. 2218, steel, new in envelope. Distributed by Burton M. Reid and Sons. See images for specifications and further details. I likely have several of theses 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.