Samson Mainspring No. 4124 for Valjoux caliber 23, 72, VZH Chronograph - Steel

Samson No. 4124 steel mainspring for Valjoux 13 ligne caliber 23, 23C, 72, 72C, VZH and Benrus VZH Chronographs and perhaps others, 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 in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a marginally adequate good job of representing the item.