A Directoire ormolu and patinated-bronze mounted black and white marble portico clock with calendar

A Directoire ormolu and patinated-bronze mounted black and white marble portico clock with calendar
The dial signed Harel a Paris and Coteau; Paris, circa 1795-1800
The case of typical form, surmounted by a vase with flowers and flanked by sphinxes, the white enamel dial, signed in blue Harel a Paris, the undersignature in black Coteau, with pierced and engraved ormolu hands, flanked by two pairs of fluted columns with ormolu capitals, behind a figure of Minerva and Mars, on a moulded double-breakfront plinth, the eight-day twin barrel movement with silk suspension and countwheel strike on bell; Apollo mask pendulum, winding key
70 cm. high