Swiss astronomical watch for the Hispanic market Circa 1927

Gold minute repeater, with calendar and moon phases
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A very fine and rare Swiss, astronomic, 18K yellow gold pocket watch made for the Hispanic market. circa 1927. A minute repeating, keyless, hunting cased pocket lever chronometer with perpetual calendar, moon phases, lunar calendar and a heavy 18K gold marine-link chain. Accompanied by a fitted box.

White enamel dial with radial Roman numerals, outer minute track and Arabic five minute numerals, subsidiary dials for the months and four-year cycle, days of the week, date and seconds with lunar calendar, aperture for the moon phases. Gold spade hands. A rhodium-plated movement, Geneva striping decoration, 29 jewels, wolf’s tooth winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance with gold temperature and meantime adjustment screws, blued steel Breguet balance spring, swan-neck micrometre regulator, repeating on gongs activated by a slide in the band. Cuvette signed.
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Diameter: 53 mm
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Signed: Audemars Piguet & Co. Brassus