Swartchild Mainspring #4332 for 14s Waltham Factory No. 2211 - Steel

Swartchild Black Shield Mainspring #4332 for 14s Waltham Movements, Factory No. 2211, T end, steel, new in envelope. See images for further details. 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.