HR Quick Fit Mainspring KA50 for AS 1320, 1323, Bulova 9AS, 9ASC, 10BRC - Alloy

HR Quick Fit No. KA50 white alloy mainspring for AS 1320, 1323, Bulova 9AS, 9ASC, 10BRC, Benrus CL caliber 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.