HR Mainspring #480 for Bulova 10BL, 10ZL - Steel

HR steel mainspring #480 for Bulova 10BL, 10ZL caliber movements plus perhaps other similar ébauche wrist watches. 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 an adequate job of representing the item.