Vacheron & Constantin, Genève, No. 464270, case No. 616304,20th Century. Extremely rare and important 18 ct. gold, keyless pocket chronometer with one minute tourbillon regulator, with certificate. | Important Wristwatches, Watches & Clocks | Geneva, Hotel Des Bergues, 11th April 1992
Vacheron & Constantin, Genève, No. 464270, case No. 616304,20th Century. Extremely rare and important 18 ct. gold, keyless pocket chronometer with one minute tourbillon regulator, with certificate., CHF 120,000 - 160,000Sold: CHF 126,500 C. Double body, "bassine", polished, with invisible hinges. D. White enamel with Breguet numerals and sunk subsidiary seconds. Blued steel "pear" hands. M. 21-, half plate, rhodium plated, "fausses côtes" decoration, 15 jewels, with going barrel. One minute tourbillon, the carriage with three polished steel equidistant arms and polished steel bridge, lateral lever escapement with brass-invar Guillaume balance, blued steel balance spring with terminal curve. Signed on the dial, case and movement. In very good condition. Diam. 63mm.
