Hampden 16s Mainspring No. 3696 (EXACT) - Alloy

Hampden EXACT Mainspring for 16s movements, Factory No. 3696, T End, alloy, new in envelope. See images for precise mainspring specifications. 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.