Swiss 18 carat gold watch for the Hispanic market Circa 1890

Gold open faced chronometer watch
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A rare Swiss 18K gold keyless pocket chronometer with Earnshaw-type pivoted detent escapement by Henri GrandJean & Cie, Locle, Made for the Hispanic market, circa 1890. Gold hinged cuvette, glazed gold rimmed cover for viewing the movement. White enamel dial, radial Roman numerals, outer gilt painted dot minute track, red Arabic five minute numerals, subsidiary seconds. Blued steel spade hands. Rhodium plated movement Genava stripping decoration, jewels in screwed gold chatons, Earnshaw type chronometer escapement with pivoted detent, jeweled locking stone, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator. Dial, case and movement signed.
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Diameter: 57 mm
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Signed: Henri GrandJean & Cie, Locle
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Henry Grandjean was one of the first to enter the South American Market. He was also, along with Ulysse Nardin, one of the first to establish a marine chronometer manufacturing business in Switzerland, as well as being an initiator of the Neuchâtel Observatory. In 1851, at the first Universal Exposition in London, Grandjean received a First Class medal. His list of medals continues until 1868, the year in which the company won an award for its marine chronometers. In the meantime, they also received at least eight different awards, not including those from the Observatory of Neuchâtel. Henry died in 1879 but it appears that the company continued for the next twenty years until 1899, the year in which Rossel & Fils registered their name as successors, who were also most likely running the company during these 20 years. On January 9, 1908 Rossel & Fils transferred the title to Charles-Ferdinand Perret.