Auricoste. A fine gold minute repeating perpetual calendar and moonphase chronograph keyless openface pocketwatch
Signed F. Auricoste, Horloger de la Marine de l'Etat, 10 rue de La Boetie, Paris, No. 8258, 1890s
The frosted gilt movement jewelled to the hammers with bimetallic balance, repeating the hours, quarters and minutes on two gongs by operating a slide in the band, the white enamel dial with Arabic numerals, outer 24 hour ring, subsidiary dials for seconds, day, date, months in four year cycle combined with 30 minute recorder, sweep centre seconds, operated by a single button in the winder, in plain gold case with hinged cuvette, with later box, case signed and numbered
54 mm. diam.