HR Quick Fit Mainspring K241 for Gruen caliber 290, 291 & 295 - Alloy

HR Quick Fit Mainspring K241 for Gruen caliber 290, 291 & 295 plus perhaps similar ébauche watches, white alloy. See image for precise characteristics. I likely have several of these so the one you get may differ very slightly from the images. 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.