The Art of American Horology & Colle...

New York, Nov 28, 2001

LOT 170

Ball Watch Co., Cleveland, O., Brotherhood of Railroad Trainmen, "Official Standard", No. 642669 by Hamilton, Grade 999, finished on June 16, 1910, sold to Ball on December 2, 1914 to Morris Alister Ball at Webb C. Ball Watch Company.Very fine, gold-filled, keyless, Railroad Grade watch.

C. three-body, "bassine" by "B & B", polished with screwed bezel and back. D. white enamel, bold Arabic numerals, outer minute ring, sunk subsidiary seconds. Blued steel "Spade" hands. M. 18 size, nickel, full plate with motor barrel, damascened, 19 jewels, the top ones in gold settings, adjusted to 5 positions, straight line lever escapement with sapphire pallets and double roller, cut-bimetallic compensation balance with gold screws, blued steel Breguet balance spring, swan neck micrometric reulator, safety pinion.Signed on the dial and movement, dial also signed "Trademark Official RR Standard". Movement engraved "Trademark", "B of R T", "Patented June 30'96", "Pat. Aug.18.96", Pat. Dec. 8.08". Diam. 54.9 mm.