Marco Mainspring #250 for 6s & 8s Waltham Factory No. 2215 - Steel

Marco Mainspring #250 for Waltham 6s & 8s Model 1873 movements, Factory No. 2215, 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 so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.