HR Quick Fit Mainspring K325 for Cyma 434, Gruen 275, 280, 360 - Alloy

HR Quick Fit Mainspring K325 for Cyma caliber 434, Felsa 187 and Gruen 275, 280, 360 plus perhaps many more similar ébauche watches, white alloy. See image for precise characteristics. 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.