BESTFIT Mainspring 3105F for Omega caliber 300 to 312 - Alloy

BESTFIT Mainspring 3105F for Omega caliber 300, 301, 302, 310, 311, 312 plus perhaps many more similar ébauche watches, white alloy, new in envelope. See image 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.