HR Nivastar Mainspring G536A for Recon 2321, Lunesa L-33, Gruen 445 - Alloy

HR Nivastar alloy mainspring No. G536A for Benrus BA, BB, CE, CK, Reconvilier 2321, Lunesa L-33, Gruen 445 caliber movements, new in envelope. See images for precise mainspring specifications. 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.