The Art of American Horology Part ll,...

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

LOT 615

Hamilton Watch Co., Lancaster, PA, No. 1247436, Grade 992L "Adjusted for Railroad Service", made 1911-18.Fine, rose gold-filled, keyless, Railroad Grade watch.

C. Three-piece, "bassine" by "Dueber", polished, screwed bezel and back. D. Double sunk white enamel with bold Arabic numerals, outer minute ring with 5-minute red Arabic markers, subsidiary seconds. Blued steel "Spade" hands. M. 16 size, nickel, two-tone gold washed, 3/4 split plate, elaborately damascened, 21 jewels, the top ones in screwed gold settings, gold center wheel, straight line lever escapement with sapphire pallets, cut bimetallic compensation balance with gold screws, adjusted to 5positions, blued steel Breguet balance-spring, Reed's patented whiplash micrometric regulator, double roller, lever-set.Signed on dial, case and movementDiam. 49 mm.