Tru-Power Mainspring U416 for Peseux 110, 111, Gruen 325, 3251, A. Michel 104, 105 - Alloy

Tru-Power Mainspring U416 for Peseux 110, 111, Gruen 325, 325, A. Michel 104, 105 caliber movements plus perhaps similar ébauche watches, alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. 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.