Nivaflex Unbreakable Mainspring N8102 for Cyma 414, 415, AS 1191, 1192 - Alloy

Nivaflex Unbreakable mainspring N 8102 for Cyma 414, 415, Mido 1016, 1017, AS 1191, 1192 caliber movements plus perhaps other similar ébauche 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.