Elgin Factory Magistral Super Mainspring for 6s No. 824 / 6081 - Alloy

Elgin Magistral Super Factory Mainspring for 6s movements, Factory No. 6081-.0070 (824), alloy, new in envelope. Basically this is the factory alloy version of the steel 824. See image for further details. 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.