Trutex Unbreakable Mainspring for AS caliber 1215, 1216 - Alloy

Trutex Unbreakable Mainspring for AS caliber 1215, 1216 and other similar caliber movements 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 a pretty good job of representing the item.