May 16, 2020, 13:21
Roddy J. BruntonHELP ID 21J Screw Set Pocket watch Movement
21 jewel movement
Railroad Grade?
Sen@tor private label? Illinois?
I haven't found another with the same plate etc configuration
May 21, 2020, 10:46
Douglas D. WeaverClues to me are the cap jewel for the lower balance jewel and the shape of the balance cock - the position of the hairspring stud.