Nivaflex Mainspring for Valjoux caliber 23, 72, 88 Chronograph - Alloy

Nivaflex alloy mainspring for Valjoux caliber 23, 72, 88 Chronograph movements, 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.