NuREZISTA Mainspring #613 for Waltham 37s 8-Day Clocks #2232 - Steel

NuREZISTA Mainspring No. 613 for Waltham 37s 8-Day clocks, Factory No. 2232, Hole End, steel, new in envelope. Used in many different applications, including car clocks, aircraft clocks, travel clocks, deck clocks, ships clocks, and really big pocket watches. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.