HR Quick Fit Mainspring K324A for Felsa 197, Gruen 275, 280 - Alloy

HR Quick Fit Mainspring K324A 434, Felsa caliber 197 and Gruen caliber 275, 280 movements plus perhaps many more similar ébauche watches, white alloy, new in frail envelope. See image for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is 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.