The Art of American Horology Part ll,...
Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002
LOT 705
21- Jewel Hamilton Brotherhood BallThe Ball Watch Co. Cleveland., "Official Brotherhood of Railroad Trainmen Standard", No. 644127 by Hamilton, model 999, circa 1936.Very fine, keyless, Railroad Brotherhood watch in a display case with two time zone hands.
USD 4,500 - 5,500
C. Three-piece, nickel, glazed. D. White enamel, bold Arabic numerals, outer minute ring, sunk sub-seconds. Blued steel "Spade" hands, red for second time zone. M. 18 size, nickel, full plate, damascened in patented brake-wheel pattern, 21 jewels in flush gold settings, adjusted to 5 positions, straight line lever escapement with sapphire pallets, cut bimetallic compensation balance with gold screws, blued steel Breguet balance spring, Ball's patented micrometric regulator (No. 565955), safety pnion, lever set.Signed on dial and movement, both also signed by "B of RT" .Diam. 52 mm.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3 - 22 - 01 |