Elgin 16s Mainspring Factory No. 6164 from S. LaRose - Alloy

S. LaRose packaged (likely Swiss made) Mainspring for 16s Elgin, Factory number 6164 alloy, new. See images for further details 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.