Elast Mainspring No. 231AF for AS caliber 969 - Steel

Elast Mainspring No. 231AF for A. Schild caliber 969 movements and perhaps others, steel, new in oversize 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.