HR Nivaflex Mainspring G413 for Bulova 6AK, 6BA, AS 1193, Buser 72 - Alloy

HR Nivaflex Mainspring G413 for Bulova caliber 6AK, 6BA, Benrus caliber CB, AS caliber 1193 & Buser caliber 72 plus perhaps many more similar ébauche watches, white alloy. See images for precise characteristics. 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 marginally adequate job of representing the item.