Tru-Power Mainspring U458A for Langendorf caliber 1264 - Alloy

Tru-Power Mainspring U458A for Langendorf (Lanco) caliber 1264 movements, alloy, new in envelope. See images for precise mainspring specifications. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.