Miracle Power Mainspring for 5¼ ligne A. Schild caliber 1051 - Steel

Miracle Power No. 1188 steel mainspring for A. Schild (AS) caliber 1051, 5¼ 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.