You are viewing a very fine quality gold filled open face pocket watch. The watch has a 2" diameter and it is a size 16. The movement is marked: Bunn Special, Illinois Watch Co. Springfield, 21 jewel, adjusted six positions. The watch is lever set at 1. The watch has a screw off front bezel and back cover. The dial is a 60 hour porcelain. There are some minor chips at the edge of the dial under the gold metal bezel, see photo. The case is a Fahy's 20 year. Montauk.The serial number of the movement, 3796293 indicates a date of manufacture of 1921.The watch winds, sets, runs and keeps time.