Marco Mainspring #2962 for Universal 262, Buren 380, Font 25, 251, AS 574, 954 - Steel

Marco Mainspring #2962 for Universal 262, Buren 380, AS 574, 954, Font 25, 251, Nouvelle 50, 51 caliber movements, steel, new in envelope. See images for precise mainspring specifications and further details. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.