NEWALL Mainspring #36N for Cyma 420, ETA 1306, Felsa 279, Mido 1938 - Alloy

NEWALL N-DUR-ALL Mainspring with attached bridle #36N for Cyma 420, ETA 1306, Felsa 279, Mido 1938 caliber movements plus perhaps others, white alloy, new in envelope. See images for precise mainspring specifications. 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.