Marco Mainspring #3362 for Baumgartner caliber 688 - Steel

Marco Mainspring No. 3362 for Baumgartner (BFG) caliber 688 movements, and perhaps others, steel, 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.