BESTFIT Mainspring WA90 for Kurth caliber 19.45, 19.251, 29.451 Automatic - Alloy

BESTFIT Mainspring WA90 for Kurth caliber 19.45, 19,251, 19.451 Automatic with attached bridle, 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 is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.