A French gilt brass 'grande sonnerie' striking alarm carriage clock, circa 1890

5.5-cm annular enamel dial with Arabic numerals and gilt star half hour markings, matted gilt mask with alarm subsidiary below, movement with platform ratchet tooth lever escapement, trip repeating grande sonnerie striking on two gongs, alarm on a gong, lever for Pte.Sonnerie/Silence/Gde Sonnerie on the bottom of the gilt brass corniche case inset with bevelled glass panels, raised on bracket feet