ILLINOIS AUTOCRAT POCKET WATCH 1925 17 JEWELS 14K GOLD FILLED / RUNS. Winds smoothly, keeps time. Front lens is clear, light scratches on back typical of 100 year old watch. Some tiny black dots on silver face. Scrolled edges. Belonged to my grandfather.

Movement Serial Number: 4692854  Model 3 Keystone watch case
Estimated Production Year 1925 
I believe it is size 12 Diameter is 1 3/4"