Rezista Mainspring No. 231F for Fleurier 270 and Felsa 302 - steel

Rezista No. 231F steel mainspring for Fleurier caliber 270 and Felsa caliber 302 and quite likely 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