Nivaflex Unbreakable Mainspring N7190 for Brac 102, Ebosa 25, ETA 960, 961, 990, 995 +many more - Alloy

Nivaflex Unbreakable mainspring N 7190 for Brac 102, Ebosa 25, ETA 960, 961, 990, 995, Langendorf 1004, 1022, 1054, 1106, 114, 1122, 1124, 1154, 1214, 1222, 1224 caliber movements plus perhaps other similar ébauche movements as well, alloy, new in envelope. See images for all supported calibers and 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.