HR Quick Fit Mainspring K484 for Cyma 384, 385, Eta 746, Recta M, etc - Alloy

HR Quick Fit No. K484 white alloy mainspring for Cyma 384, 385, Eta 746, Recta M & Benrus AP movements, new in 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 is 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.