Marco Mainspring #258 for Waltham 8¾ ligne Model 870 No. 2242 - Steel

Marco Mainspring #258 for Waltham 8¾ ligne Model 870 movements, Factory No. 2242, 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.