HR Quick Fit Mainspring K296 for Font 55, Vulcain 65Y, Durowe 440, 441, 446 - Alloy

HR Quick Fit mainspring No K296 for Font 55, Vulcain 65Y, Durowe 440, 441, 446 caliber movements plus perhaps other watches as well, white alloy, new in envelope. See images for further data 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.