WATCH-CRAFT Mainspring 3338W for Wittnauer 11AW, AS 1250, Eterna 39, 301, 391, 475 - Alloy

WATCH-CRAFT alloy mainspring 3338W for Wittnauer 11AW, AS 1250, Girrard Perregaux 84, Eterna 39, 301, 391, 475 caliber movements, new in envelope. See images for all calibers supported and 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.