The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 147

J. Sewill, 30 Cornhill, Royal Exchange, London,No. 40052, made for Hector C. Quesada de Buenos Aires, with London hallmarks for 1909.Fine 18K gold hunting cased, moon phase astronomical keyless watch with perpetual calendar and chronograph.

C. Four body, massive, "bassine", polished, the cover with a red and blue champlevé enamelled monogram. Hinged gold cuvette. D. White enamel with Roman numerals, outer Arabic minute and chronograph ring, subsidiary dials for the days of the week, the months of the leap-year cycle, the dates and the seconds with inner moon phase aperture. Gold "spade" hands. M. 19''', frosted and gilt, three-quarter plate, 18 jewels in screwed settings, English lateral lever escapement with pointed tooth escape weel, cut bimetallic balance with diamond end-stone, free sprung blued steel balance spring with terminal curve. Chronograph with button in the band.Signed on the dial and movement.Diam. 53 mm.