Swartchild Black Shield Clock Mainspring 3.4 x .25 mm x 22" Ref 34-25 C 56

Swartchild & Co Black Shield Clock Mainspring, Tongue End, for Europa 101, GR Ref. 34 - 25 C 56, steel, made in France. See images for precise mainspring specifications. I specialize is hard to find watch & clock parts and all parts are unconditionally guaranteed. Images do a pretty good job of representing the item