NuTemper Mainspring #530 for Elgin 5/0s & 6/0s Factory No. 2890 - Steel

NuTemper steel mainspring #530 for Elgin 5/0s & 6/0s movements, Factory No. 2890, 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.