NEWALL Mainspring #1612N for Gruen 460, 470, 475, Unitas 190, 192, 195 - Alloy

NEWALL N-DUR-ALL Alloy Mainspring No. 1612N for Gruen 460, 470, 475, Unitas 190, 192, 195 caliber movements plus perhaps others, new in 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.