Swiss hunting cased keyless complicated lever watch Circa 1890

Rose gold complicated watch by Humbert Ramuz
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A Swiss rose gold hunting cased keyless pocket watch with day, date, and moon phases, circa 1890. This watch features a nickel finished mechanical, jewelled movement with a lever escapement. It has a signed white enamel dial with radial Roman numerals, an outer minute track, fleur-de-lys hands, and subsidiary dials for seconds, days of the week, date, and a moon phase aperture at 12 o’clock. The case is made of 18 carat rose gold with an applied monogram, a gold cuvette, and a hinged case back. The dial and cuvette are signed, and the case is numbered.
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Diameter: 52 mm
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Signed: Humbert Ramuz Chaux-De-Fonds
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The movement functions properly, and the enamel dial remains intact. The case is in good overall condition, displaying wear consistent with the watch’s age. The front lid features a two colour gold monogram. Overall, the watch is in good condition.
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Humbert-Ramuz & Co., also known as Humbert-Ramuz & Cie., was a Swiss watch manufacturer based in La Chaux-de-Fonds, operating under the brand name Diamant. The company was founded by Charles Humbert and Ulysse Humbert-Ramuz. In 1867, Ulysse Humbert-Ramuz was granted a British patent (no. 2388) for his innovative design of a savonnette pocket watch that could be wound by opening and closing its cover. The following year, he received a US patent (no. 77,213) for the same invention, although it was attributed in America to Henry Hirsch and Seligman Oppenheimer. The company earned a silver medal at the 1867 Paris Exhibition.
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In 1881, Humbert-Ramuz & Co. won another silver medal at the National Watch Exhibition in La Chaux-de-Fonds. By 1887, the brand name Diamant was officially listed, and on May 31 of that year, the company secured a US patent (no. 363,959) for a transparent dial. The company underwent several name changes, becoming Charles-Humbert Fils in 1888, before reverting to Humbert-Ramuz & Cie. In 1926 and again in 1966, the Humbert-Ramuz & Co. trademark was registered by Jules Bloch. The brand name Avenir initially registered four years after 1888, became a trademark of Auguste Reymond SA in 1973.