Newall SUPER Security Mainspring #448 for Elgin 8/0s No. 5219 / 6002 - Alloy

Newall SUPER Security Mainspring #448 for Elgin 8/0s, Factory No. 5219 / 6002, alloy, typical Elgin DB&H end, new in envelope. See image for further details and precise specifications. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item