A Gold Filled Open Face 'Railroad Service' Pocket Watch, Hamilton, Circa 1921, 50.00 mm case diameter, white double-sunk dial signed Hamilton, Arabic numerals with red outer chapter ring calibrated to 60 units, blued steel spade hands, subdial for seconds at 6 o'clock, stem wound and lever set 21 jewel double roller movement with gold screw setting and gold center wheel, adjusted to five positions and two-tone finish signed ILLINOIS WATCH CO.Movement number: 1610922.Case number: H666267. 61.10 dwts.