Swiss gilt, diamond and painted verge pocket watch Circa 1800

A Swiss gilt, diamond and painted key wind pair cased pocket watch by Ph. Terrot & Fazy, circa 1800. Gilt full plate verge movement, pierced and engraved balance cock, ruby end stone, pentagonal baluster pillars. White enamel dial, Roman numerals and outer Arabic numeral minutes. Gilt plain inner case, gilt engraved outer centred by painted enamel of a lady surrounded by diamond set filigree. Dial and movement signed.
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Diameter: 36 mm
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Signed: Ph. Terrot & Fazzy