BESTFIT Mainspring 212E for Bulova 5AE, ETA 978-982, Benrus AY, Otero 25 - Alloy

BESTFIT Mainspring 212E for Bulova 5AE, ETA 980 to 982, 986 to 989, Benrus AY, Otero 25 caliber movements, plus perhaps similar ébauche watches, white alloy. See image 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.