Marco Mainspring #222 for Waltham Colonial Series Model A No. 2234 - Steel

Marco Mainspring No. 222 for Waltham Colonial Series Model A (basically a 14s although they also had a 10s) movements, Factory No. 2234, steel, new in envelope. See images for further details. I likely have several of these so the one you get may differ slightly from the images. 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