Alloy Mainspring for AS 1215, 1216, 1253, 1265, Lemania S27, Rensie 16, Jung 80

Alloy Mainspring for AS 1215, 1216, 1253, 1265, Lemania S27, Rensie 16, Junghans 80 caliber movements and perhaps others as well, 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.