The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 61

Paul Ditisheim, La Chaux-de-Fonds, (Swiss),No. 18276, Grand Prix Exposition Universelle,Paris 1900 - Premier aux Concours Chronométriquesdes Observatoires de Kew, Washington & Neuchâtel,circa 1910.Fine silver keyless lever chronometer in original mahogany fitted box.

C. Three body, massive, with brass fixings and corners. Silver four body, massive, "bassine et filets", polished. Hinged silver cuvette. D. Frosted silver with Roman numerals and subsidiary seconds. Blued steel "spade" hands. M. 22''', gilt brass, 20 jewels, straight line lever escapement, brass-invar Guillaume balance, Breguet balance spring.Signed on the dial and movement.Diam. 60 mm.