Marco Mainspring #223 for Waltham 16s No. 2208 - Steel

Marco Mainspring #223 for Waltham 16s Model 1872 movements, Factory No. 2208, T-end, steel, new in possibly frail envelope. See images for precise mainspring specifications and 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