The smallest we have ever seen. Only 4 1/2 inches. These are usually just under 7 inches. Beautiful! Michael Butterfield, born 1635 an Englishman, worked in Paris ca. 1680-1724. Another source has Butterfield as a British clockmaker who settled in Paris about the year 1685 where he became engineer to the King. The British National Maritime Museum has him working in Paris ca. 1675-1715.