Sandsteel Mainspring #721 for Omega Caliber 14.8F - Steel

Sandsteel steel mainspring #721 for Omega caliber 14.8F movements and perhaps others as well, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is 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.