Large Swiss silver open faced astronomical verge watch Circa 1800

Silver verge with seven complications
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A large Swiss silver open faced astronomical verge pocket watch, circa 1800. Fire-gilt verge movement. White enamel dial, central time indication with Roman hours and Arabic five minutes, subsidiary seconds at 4, month indication with month length, weekday indication, the indication of day/night, moon and moon age. Plain case, reeded band.
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Diameter: 60 mm
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Weight: 149 g
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Signed: No name