Large Belgian silver pocket watch with regulator dial Circa 1795

Silver verge with date and centre-seconds
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A fine and rare Belgian, large silver pocket watch with regulator dial, date and centre-seconds, circa 1795. Double body with concealed hinge, polished. White enamel dial, regulator-type, small chapter ring for the meantime with Arabic numerals and outer dot minute divisions, dial for days of the week, outermost seconds divisions with Arabic five-seconds numerals. Fancy gold hands. A hinged gilt brass, full plate movement with cylindrical pillars, fusee with chain, verge escapement with micrometric potence adjustment, plain brass three-arm balance, flat balance spring, gilt brass continental cock with polished steel endplate, silver regulation dial. Gilt brass dust ring. Movement signed. 
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Diameter: 63,5 mm
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Signed: Hubert Sarton  Liège
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The case has some dents.
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Hubert Sarton was born in Paris in 1748. Around 1772 he became a pupil of J. Le Roy. Sarton settled in Liège, where he died in 1828 at the age of 80. In 1782, he published a “Description de plusieurs pièces d’horlogerie”. He made clocks with the carillon, regulator escapements with compensation, clocks with decimal indications, self-winding watches, etc.