Marco Mainspring 3251 for FEF caliber 190, 210 & 222 + FF 100 & 152 - Steel

Marco Mainspring 3251 for Fleurier caliber 190, 210, 222, Font caliber 150, 152 and Benrus caliber AS & AO plus perhaps similar ébauche watches, steel, new in envelope. See images for all supported calibers and 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.