Hampden 12s Mainspring No. 6696 (EXACT) - Alloy

Hampden EXACT Mainspring for 12s movements, Factory No. 6696, T End, alloy, new in envelope. See images for precise characteristics. 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.