HR Quick Fit Mainspring No. K542 for Eta 1080, 1256, AS 1287, 1294 - Alloy

HR Quick Fit No. K542 alloy mainspring for Eta 1080, 1256, AS 1287, 1294, Lavina 150 SC and Benrus BF, DH caliber movements, new in dirty envelope. See images for precise calibers supported and 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 satisfactory job of representing the item.