An attractive French gilt brass engraved one-piece carriage clock, mid 19th century

7-cm enamel dial with Roman numerals and Breguet hands signed Würtel Hr., ... Vivienne à Paris, countwheel bell striking movement, ratchet tooth platform escapement with plain balance, gilt brass foliate engraved one-piece case with bevelled glass panels surmounted by a shaped carrying handle, foliate engraved back door, raised on flat feet