The Art of American Horology & Colle...

New York, Nov 28, 2001

LOT 167

Ball Watch Co., Cleveland, Ohio, Brotherhood of Locomotive Firemen and Enginmen, "Official Standard", No. 642924 by Hamilton, Grade 999, finished on December 13, 1909, sold to Ball on March 11, 1910.Very fine, gold-filled, keyless Railroad Grade watch.

C. three-body, "bassine et filets", by Keystone, 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 micometric regulator, safety pinion.Signed on the dial and movement. Dial also signed "Trademark Official RR Standard". Movement engraved "B of LFE", Patented June 30'96", "Pat Aug.18.96.", "Pat. Dec. 8.08". Diam. 56.3 mm.