Samson Mainspring No. 10359 for Helbros 92H, Moeris 17C Movements - Steel

Samson No. 10359 steel mainspring for 17 ligne Helbros 92H, Moeris 17C caliber pocket watch movements and others as well, 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 an adequate job of representing the item.