Canadian Watch Material Co. Mainspring for Font (FHF) caliber 30 - Steel

Canadian Watch Material Co steel mainspring for Font (FHF) caliber 30 movements plus perhaps other similar ébauche wrist watches. See images for further details. I specialize is 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.