Samson Mainspring No. 3068 for Gruen 96, 97, 812, 813, 820, 821 - Steel

Samson No. 3068 steel mainspring for Gruen 96, 97, 812, 813, 820, 821 caliber movements plus perhaps others, 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.