Swiss rose gold double-sided astronomical watch Circa 1890

Rose gold complicated watch attributed to B. Haas Jne & Cie
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A Swiss 18 carat rose gold hunting cased double-sided astronomical pocket watch with four complications, circa 1890. White enamel dial with Roman hours and Arabic five minutes on the front, moon phase and moon age, subsidiary seconds, elegant rose gold hands, the back with white enamel dial ring, the indication of date and days of the week by two hands from the centre, view to the high-quality skeletonized ankerchronometer movement with screwed gold chatons and especially large chronometer balance. Plain case, glazed on both sides. Case and movement numbered.
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Diameter: 51 mm
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Weight: 110 g
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Signed: No name
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Some of these watches are signed B. Haas Jne & Cie, Genève. Watches in this version with additional moon phases are found relatively rare.