The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 717

The Ball Watch Co., Cleveland, "B of LF & E", No. 642924, Model 999 by Hamilton, circa 1936.Fine, gold-filled, Railroad Brotherhood watch.

C. Four-body, "bassine et filets" by "Philadelphia Watch Case Co.", triple-hinged, back with a bird sitting on a small tree branch, foliage around. D. White enamel with painted Arabic numerals, outer minute ring, sunk subsidiary seconds. Blued steel "Spade" hands.M. 18 size, nickel, full plate, lever-set, damascened, 19 jewels, the top ones in screwed gold settings, straight line lever escapement with sapphire pallets, cut-bimetallic compensation balance with gold screws, adjusted to 5 positions, blued steel Breguet balance spring, Ball's patented (Pat. No. 565955) micrometric regulator, safety pinion, double roller. Signed on dial and movement, dial also signed "Trademark ", movement engraved "B of L F& E", "Pat. Aug.18'96", "Pat. Nov. 17. 96.", "Pat. Dc.8.08.".Diam. 54 mm.