Swiss 18 carat gold complicated lever pocket watch Circa 1890

Open faced lever watch with complications
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An important Swiss 18 carat yellow gold open faced minute repeating pocket watch with triple date, moon phase, and chronograph, made by J. Barth & Fils in Genève, circa 1890. This watch has a handwound mechanical movement with pendant winding, CB coded back, and lever escapement. The white enamel dial features Arabic hour numerals, a day of the month dial at 3 o’clock, a subsidiary seconds and moon phase dial at 6 o’clock, a day of the week dial at 9 o’clock, a month indicator at 12 o’clock, a central second hand for the chronograph, and Cubistes shape hands.
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The 18 carat yellow gold case has a monogrammed back. It is signed inside the back and on the gold dust cover with a complications inscription. It is numbered inside the back, on the dust cover, and on the movement. Marked: Helvetia.
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Diameter: 55 mm
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Weight: 146 g
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Signed: J. Barth & Fils à Genève
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J. Barth & Fils was a Geneva watch manufacturer at the end of the 19th century. Joseph Barth is mentioned in Geneva as early as 1862, and the company was listed as J. Barth & Fils at that time. His sons, Louis Barth and Charles Barth, later took over. The company was located at 26 Rue du Montblanc. In 1889, it used the Eiffel Tower in its logo, Marque du Fabrique. They produced high quality watches with complications, mainly for South America. Later, the company was also listed in Le Locle as Charles Barth Locle.
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Besides J. Barth & Fils, there were also watchmakers in Geneva: Maurice Barth at Pradier 1 and Nathan Barth at Montblanc 17. In Zurich, there was also the company Barth & Co.