You are viewing a nice quality 20th century open face pocket watch. The case measures 2" in diameter or around a size 14. The dial reads: Helbros, 17 jewels with a train in motion. The outer dial has a 24 hour time feature. The movement reads: Helbros, 17 jewels, and a serial number 418064. The back cover of the case has an embossed train in nickel. The watch is stem set and wound. There is some minor wear to the rim of the case from use. The watch sets, winds, runs and keeps time.