The Art of American Horology Part ll,...

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

LOT 648

Waltham Mass., U.S.A., No. 25343145, Model 1908, "Vanguard" Grade, circa 1926.Very fine and rare, gold-filled, keyless, 23-jewel Railroad watch with a 24-hour winding indicator and Lossier's Inner Terminal Hairspring, cased and timed at the factory.

C. Three-piece, screwed bezel and back engraved with a train approaching a station. D. Double-sunk white enamel with bold and oversized Arabic numerals, outer minute ring, up-and-down indicator at 12 o'clock, subsidiary seconds. Blued steel "Spade" hands. M. 16 size, nickel, 3/4 split plate with mocked bridge, damas-cened, 23 jewels, gold center wheel, straight line lever escapement with sapphire pallets, cut bimetallic compensation balance with gold screws adjusted to 6 positions, blued steel Beguet balance spring with outer and inner Lossier terminal curves, Ohlson's patented micrometric regulator. Signed on dial, case and movementDiam. 51 mm.