HR Mainspring #950 for Kurth 262 & 263 Pocket Watches - Steel

HR mainspring No. 950 for Kurth (Certina, Grana, KF) caliber 262 & 263 Pocket Watch movements, steel, 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 satisfactory job of representing the item.