Flex-Alloy Mainspring for FEF 190 - 222, Lavina 105, Font 150, 152 - Alloy

Flex-Alloy Mainspring for Fleurier 190 to 222, Lavina 105, Font 150, 152, Benrus AN, AO caliber movements and others as well, alloy, new in envelope. See image 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 an adequate job of representing the item.