HR Nivastar Mainspring G405 for Peseux 60, Frey 30, 35, Precimax 600, Roseba 70 - Alloy

HR Nivastar Mainspring G405 for Peseux 60, Frey 30, 35, Precimax 600, Roseba 70 caliber movements plus perhaps similar ébauche watches, 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.