Miracle Power Mainspring for 8¾ ligne ETA caliber 980 - Steel

Miracle Power No. 1070 steel mainspring for ETA caliber 980, 8¾ ligne movements and perhaps 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.