From top to bottom:

1) 1930s to 1950s Hamilton, 14K yellow gold, 5/8" or ~16mm opening (I have several available).
     Price $175.

2) 1920s B&N, 14K green gold, 5/8" or ~16mm opening.
     Price $275.

3) 1920s Solidarity, 14K green gold, 11/16" or ~17mm opening.
     Price $275.