Meritas Mainspring for 18s N.Y. Standard No. 2190 - Steel

Meritas Mainspring for NY Standard 18s movements, Factory No. 2190, T-end, steel, new in container. See images for further details. If you need a HOLE end then you're looking for a 2189. 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.