HR Quick Fit Mainspring K311 for Tissot caliber 15.2, 15.3 15.3-2 - Alloy

HR Quick Fit No. K311 white alloy mainspring for Tissot caliber 13.6, 15.2, 15.3, 15.3-2 and perhaps others as well, 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.