Tru-Power Mainspring U214 for Blancpain 52, Langendorf 42 - Alloy

Tru-Power Mainspring U214 for Blancpain caliber 52 & Langendorf caliber 42 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.