HR Quick Fit Mainspring No. K604 for Universal 128, 129, 262, 263 - Alloy

HR Quick Fit No. K604 white alloy mainspring for Universal caliber 128, 128, 262, 263 movements, 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.