Swiss 18k gold lever watch with backside calender Circa 1880

Gold hunting cased watch with rare calendar
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A 14 carat gold, hunting cased with two covers, circa 1880.
White enamel dial and fine redgold arrow shaped hands, a special backside calendar on enamel-ring, redgold hands for dates and weekdays,
Fine lever chronometer movement with large golden screwed balance and special lever, case professionally restored in the edge of the cover.
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Diameter: 52 mm
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Weight: 106 g
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Signed: No Name