HR Nivastar Mainspring G429AA for Peseux 140, 290 - Alloy

HR No. G429AA Nivastar alloy mainspring for Peseux 140, 290 caliber movements, new in  envelope. See images for all calibers supported 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.