Samson Mainspring No. 6562 for Valjoux caliber 69 DX Chronograph - Steel

Samson No. 6562 steel mainspring for Valjoux 10½ ligne caliber 69 DX Chronograph and perhaps 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 a pretty good job of representing the item.