BESTFIT Mainspring 613K for Bulova 8AM - 8AZ, Fleurier 186 - 270, Font 125- Alloy

BESTFIT Mainspring 613K for Bulova 8AM, 8AZ, Fleurier 186, 270, Font 125 caliber movements, white alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. 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.