The Art of American Horology Part ll,...

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

LOT 687

Sangamo Special Marked 60-HoursIllinois Watch Co., Springfield, Illinois, No. 4758037, 13th Model, "Sangamo Special", Grade produced circa 1926.Very fine, yellow gold-filled, 60-hour, 23-jewel Railroad watch.

C. Four-body, "bassine et filets", triple-hinged, reeded bezels, hinged cuvette. D. White enamel, double-sunk with painted bold Arabic numerals, outer minute ring, subsidiary seconds. Blued steel "Diamond" hands. M. 17 size, nickel, 3/4 split plate with mocked bridges, lever-set, "fausses-côtes" decoration", 23 jewels in screwed raised gold settings, gold wheel train, straight line lever escapement, cut-bimetallic compensation balance with gold screws adjusted to temperature and 6 positions, blud steel Breguet balance spring, Reed's patented whiplash micrometric regulator, motor barrel.Signed on dial, case and movement, case also signed "Sangamo Special".Diam. 51 mm.