Marco Mainspring #2826 for Kurth 200, Gruen 270, 271, 272, 455, 457, 459, Tissot 17.2 - Steel

Marco Mainspring No. 2826 for Kurth 200, Gruen 270, 270SS, 271, 271SS, 272, 455, 457, 459, Tissot 17.2 caliber movements plus perhaps others, steel, new in envelope. See images for precise mainspring specifications. I likely have several of theses so the one you get may differ slightly from the images. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.