HR Quick Fit Mainspring K951 for Wittnauer 5JH, 5UN - Alloy

HR Quick Fit Mainspring K951 for Wittnauer 5JH & 5UN caliber movements, white alloy, new in envelope. See images for all calibers supported and 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.