A Dutch Frisian polychrome alarm 'stoelklok', last quarter 18th century

17-cm polychrome painted dial with Roman numerals, flower spandrels and landscape above, brass hands and alarm disc, brass posted verge movement with countwheel striking and alarm on a bell, pierced gilt and painted gilt lead ornaments surrounding the dial and surmounting the polychrome painted bracket with mermaids to the sides, imperfections