Hamilton Factory Set Lever for 21/0s Hamilton Grades 750, 751, 756, 757, 780, 761

Hamilton Factory Setting Lever for 21/0s Hamilton Grades 75, 77, 750, 751, 756, 757, 780, 761 movements, Factory No. 290570, new in open envelope. See images for further details. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images are of the actual item and do an adequate job of representing it.