HR Quick Fit Mainspring K207 for Font caliber 68, 586 - Alloy

HR Quick Fit Mainspring K207 for Font caliber 68, 586 movements and quite likely others as well, including an unspecified LeCoultre that someone notated at the top, white alloy, 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.