Swiss 18k yellow gold astronomical pocket watch Circa 1900

Gold quarter repeating pocket watch
–
Very fine 18K yellow gold, keyless, astronomic, quarter repeating pocket watch, circa 1900. With perpetual calendar and moon phase, B. Poitevin Geneva, Made for CHs. Grottendieck, Horloger, Bruxelles. Four-body, bassine et filet, polished, the hinged and sprung front cover engraved with a monogram. Hinged gold cuvette. White enamel dial with radial Roman numerals, outer minute track and red-painted five-minute numerals, subsidiary dials for the days of the week, the months, the date and the seconds, aperture for the moon phase. Gold spade hands.

Frosted gilt movement, 31 jewels, wolf’s tooth winding, counterpoised straight line calibrated lever escapement, cut bimetallic compensation balance with gold temperature and meantime adjustment screws, blued steel Breguet balance spring, swan-neck index regulator, repeating on gongs activated by a slide on the band. Signed by the maker on the dial-plate, cuvette signed by the retailer.
–
Diameter: 54 mm
–
Signed: B. Poitevin  Geneva
–
Poitevin Won Honorable mention at the Geneva Chronometer Contest in 1882 with a chronometer timed by C.A. Paillard. Poitevin had a Paris atelier at 22 Rue Vivienne.