This is an antique open face white gold filled pocket watch from the Illinois Watch Co in 1923. The ornate dial features a faux double sunk dial and is marked by large Arabic numeral indices. No monograms. The 17 jewel movement is numbered 4178899. Grade 406.
It is 2 1/8" long including the crown and bow. The case diameter is 1 3/4".

Minor surface scratches and small dings to the case. The crystal is missing and will need to be replaced. Light wear to the dial. The watch winds, runs, and keeps good time. As with all mechanical timepieces, this watch will require regular cleanings to maintain running condition.