A rare late 18th century.verge pocket watch with calendar. Key wound fusee with verge escapement. White enamel face with Arabic numerals and date indicating hand. Key aperture at 2 o'clock. Signed on face and movement M.G Ghiesbreght A. Bruxelles. The movement numbered 41112, the case 41113. The open face single case of silver with Continental chevron mark and maker's? mark Amd. Michel Ghiesbreght (1741-1827) is listed as having also made an astronomical clock. Going condition with (replacement) key.