HR Quick Fit Mainspring K258 for Baumgartner caliber 866 - Alloy

HR Quick Fit Mainspring K258 for Baumgartner caliber 866, white alloy, new in envelope. See images for precise characteristics and further helpful information. 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.