HR Quick Fit Mainspring K553 for Valjoux 69, 89, Unitas 180, Bettlach 1431 - Alloy

HR Quick Fit Mainspring K553 for Valjoux 69 & 89, Unitas 180, Bettlach 1431, Cyma 010 caliber movements, white alloy, new in frail or damaged envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ 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.