A small and attractive French provincial iron and brass alarm wall timepiece, P.F. Mayet A Morbier, circa 1720

15.5-cm engraved brass chapter ring with Roman numerals, single hour hand and alarm disc, shaped brass spandrels and shutters signed P.F. Mayet A Morbier, iron posted movement with verge escapement and wire pendulum, alarm on a surmounted bell, 15.8-cm wide iron case with pierced brass front fret