Hamilton Factory Mainspring for 6/0s Hamilton No. 2321 - Steel

Hamilton Factory Mainspring for 6/0s Hamilton Movements such the 986, 987 and variants, Factory No. 2321, steel, T end, new in frail envelope. See images for further information characteristics. I likely have several of these so the one you get might differ slightly from the images. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.