NEWALL Mainspring #133N for Universal 220, Guren 169, 181, 183 & Tissot 13.6, 15.2 - Alloy

Newall Mainspring #133N for Universal caliber 220, Gruen 169, 181, 183, Tissot 13.6, 15.2, Buren 35 movements plus perhaps similar ébauche watches, alloy, 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 an adequate job of representing the item.