Swiss 18 carat gold open faced complicated watch Circa 1900

Gold astronomical watch by Golay Fils & Stahl
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A Swiss 18 carat gold open faced minute repeating chronograph keyless pocket watch with perpetual calendar and moon phases, circa 1900. The movement with a lever escapement. White enamel dial with Arabic hours, an outer minute track, Arabic five minute numerals, outermost fifth of a second divisions, a 30 minute counter with concentric months of the year at 12 o’clock, the date at 3, subsidiary seconds with concentric moon phases at 6, the days of the week at 9, a gold chronograph hand and blued spade & whip hands. A plain case. Dial signed, case numbered.
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Diameter: 48 mm
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Weight: 110.5 g
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Signed: Golay Fils & Stahl Genève
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The legendary watchmaker David Auguste Golay (1814-1895) founded a dynasty of watchmakers in Geneva. At the age of 23, in August 1837, he married the director and daughter of a watchmaker, Susanne Henriette Leresche, and founded the company A. Golay-Leresche in 1847. Five sons came from this marriage. Two of his sons, David Louis Golay and Joseph Pierre Golay, continued the business after his death under the name A. Golay-Leresche & Fils. Louis became a jeweller and representative of the company in Paris at Rue de la Paix 2. Pierre became a watchmaker and later took over management of the company in Geneva. The brothers entered into a partnership with Edouard Stahl in 1896. Between 1896 and 1906, the company was renamed Golay Fils & Stahl and later Golay Fils & Stahl Successors.