Case Pins on Older Elgin 18 Size Movements

Older Elgin 18 size movements have just one case screw holding the movement in the case.  Opposite the location of the screw there is, or is supposed to be, a pin in the edge of the movement.  It fits into a hole in the inside edge of the case.

The owner of this watch reported that it was loose in the case.  As I have found so many times, for whatever reason, the brass pin was missing.  A new one, turn to the right diameter, is friction fit into the movement.

This particular watch happens to be a grade 55.  An 18 size movement, 7 jewels, made about 1868.