Nivaflex Mainspring for Elgin 12s Factory No. 2339 / 6093 - Alloy

Nivaflex Mainspring for Elgin 12s movements, Factory No. 2339 / 6093, white alloy, 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 in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.