A French Louis XV ormolu mounted vernis martin quarter repeating bracket clock, Louis Châlons, circa 1740

30-cm thirteen-piece enamel dial with Roman numerals signed Louis Châlons A Paris, foliate pierced and engraved hands, movement converted to anchor escapement and countwheel striking, pull wind quarter repeating, shaped vernis martin case with later top, throughout adorned with foliate ormolu mounts, raised on scroll feet, pendulum and bells lacking