Unique true 24 hour pocket watch by Omega, circa 1920s, 58mm diameter. Clean porcelain dial with true 24 hour dial with pm also listed in red 1-12, minute ring and subsidiary constant seconds register. Plain swing out case with a locomotive engraved on the back and screw off bezel. Nickel-finished lever 24 hour, 15 jewel adjusted movement, serial number 6828946 in good working condition. Case, dial and movement signed Omega.