Tru-Time Mainspring for Waltham 12s No. 2224A - Steel

Tru-Time Mainspring for Waltham 12s movements, Factory No. 2224A, steel, new in envelope. See image 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 a pretty good job of representing the item