Samson Mainspring #9530 for Lavina 105, Marvin 540, 565, Venus 75, 78, 79, 83, 84, 103, 106 - Steel

Samson No. 9530 steel mainspring for Lavina 105, Marvin 540, 565, Venus 75, 78, 79, 83, 84, 103, 106, Fleurier 190, 202, 210, 216, 222 caliber movements and others as well, 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 an adequate job of representing the item.