HR Nivastar Mainspring G418 for A. Michel 382, Enicar 210, 680, Durowe 753 - Alloy

HR Nivastar Mainspring No G418 for A. Michel 382, Enicar 210, 680, Durowe 753, Helvetia 110 caliber movements plus perhaps other watches as well, alloy, new in envelope. See images for further data 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.