Miracle Power Mainspring for Bulova 7AE, 7AB, 7AR - Steel

Miracle Power mainspring No. 1146 for numerous caliber Bulova 7 ligne watches; 7AE, 7AB, 7AR as well as perhaps several others, steel, new envelope. See images for mainspring specifications. 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.