Rezista Mainspring No. 260H for Bulova 8AZ, Unitas 200, Fleurier 370 - Steel

Rezista Mainspring No. 260H for Bulova 8AZ, Unitas 200,  Fleurier 370 caliber movements, and quite likely others, steel, new in envelope. See images for precise 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. plethora