A rare late 18th/early 19th century French walking-stick watch, circa 1800, the verge oblong move

A rare late 18th/early 19th century French walking-stick watch, circa 1800, the verge oblong movement with a fusee and chain, Egyptian pillars, foliate pierced bridge cock, and silvered regulation dial, the motion work driven from a fusee arbor, the white enamel dial with black Arabic numerals and brass hands, and mounted on a steel dial backplate indistinctly engraved 'Joseph (??) in ??Botr??', the lacquered stick with a gilded brass handle, silvered rotating dust ring to reveal the winding aperture and a horn cover with a glass aperture, the back plate and dial approx. 30mm diameter, the movement plates approx. 60mm long (slightly tapering) x 20mm wide x 10mm deep, (the horn cover cracked)