A Yellow Gold Filled Open Face "Official Standard" Railroad Pocket Watch, Ball,
50.00 mm case diameter, white porcelain dial signed BALL OFFICIAL STANDARD CLEVELAND, black Arabic numerals, blued steel spade hands, subdial for seconds at 6 o'clock, manual wind 21 jewel movement adjusted to six positions signed BALL WATCH CO. CLEVELAND, OHIO.Case Number: 9531807.Movement Number: 185145.