Samson Mainspring No. 50 for Felsa - Michel caliber 380, 382 - Steel

Samson No. A50 steel mainspring for Felsa - Michel caliber 380, 382 automatic  movements and perhaps others, new in envelope. 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.