BESTFIT Mainspring 315A for Felsa 730, Omega 650, 660 - Alloy

BESTFIT Mainspring 315A for Felsa 730 and Omega 650, 660 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 an adequate job of representing the item.