HR Everlast Mainspring E557 for FEF 270, Font 80, 190, AS 1111, 1179 - Steel

HR Everlast Mainspring E557 for Fleurier 270, Font 80, 190, AS 1111, 1179 caliber movements, 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.