Swiss astronomic verge watch with 7 complications Circa 1800

Open faced silver astronomic pocket watch
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A Swiss big astronomic silver verge pocket watch with seven complications, circa 1800.
Silver case with reeded mid-section; fire-gilt verge movement; original white enamel dial in very beautiful condition with central time indication, subsidiary second on “4”, month indication with month length, week day indication, indication of day/night, moon and moon age. This rarity is altogether in good condition and in working order.
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Diameter: 60 mm
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Weight: 149 g
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Signed: No name
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A comparable verge watch was sold in Geneva auction in 2009, estimated price 6,000-9,000CHF.