Description
T.S. & J.D. Negus 18kt Gold Hunting Case Pocket Half Chronometer, New York, c. 1880, no. 5700, porcelain Roman numeral dial with sunk seconds marked T.S. & J.D. Negus, New York, gilt, half-plate lever escapement movement engraved with name, number and location as above, engraved balance cock with diamond end...