Robusta Mainspring No. 1253 for A.S. 970 & Font 60 movements - Steel

Robusta No. 1253 steel mainspring for A. Schild caliber 970 & Font caliber 60 movements, and quite likely others. Steel, 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.