Rezista Mainspring No. 201B for A.S. 1234, Eta 746 + a bunch of others - Steel

Rezista No. 201B steel mainspring for A. Schild 1234, Benrus AP, Eta 746, Font 130, and Peseux 150 movements, and quite likely many, many others. 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. plethora