de Bolé Mainspring No. 566 for Cyma Tavannes caliber 364 - Alloy

de Bolé No. 566 Redifit Alloy mainspring for Cyma Tavannes caliber 364, 365 movements and perhaps others as well, 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.