Meritas Mainspring for 18s N.Y. Standard No. 2189 - Steel

Meritas Mainspring for NY Standard 18s movements, Factory No. 2189, Hole end, steel, new in container. See images for further details. If you need a T end then you're looking for a 2190. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.