Samson Mainspring No. 10196 for Baumgartner caliber 899 & 20 - Steel

Samson No. 10196 steel mainspring for Baumgartner (BFG) 13 ligne caliber 899 & 20 movements, and perhaps others, new in envelope. See images for precise mainspring specifications. 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.