The Art of American Horology Part ll,...

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

LOT 637

Waltham Mass., U.S.A., No. 16158540, Model 1892, "Vanguard" Grade, circa 1907.Very fine and rare, gold-filled, keyless, Railroad Grade 23-jewel watch with a 36-hour winding indicator.

C. Three-piece, "bassine et filets", screw glazed covers. D. Double-sunk white enamel with painted bold Roman numerals, outer minute track, up and down indicator at 12 o'clock, subsidiary seconds. Blued steel "Double Swell Spade" hands. M. 18 size, nickel, full plate, damascened, 23 jewels, the top ones in screwed raised gold settings, straight line lever escapement, cut bimetallic compensation balance with gold screws adjusted to 5 positions, blued steel Breguet balance spring with outer terminl curve, Ohlson's patented micrometric regulator.Signed on dial and movementDiam. 55 mm.