A gold repeating pocket watch, maker Frederic Japy French circa 1800 5.4 cm diameter, 6.5 cm high. A gold repeating pocket watch, maker Frederic Japy. French circa 1800. Gold gents open face quarter repeating watch. Gold case, gilt metal inner back cover inscribed. "T. SEITZ in HAAG". Engine turned back, milled edge. Long round pendant, round gold bow. White enamel dial, black Arabic hour numerals, blued steel hands numerals and hands all in. Breguet style. Winding through the dial. Fusee drive, verge escapement. Quarter repeat on two gongs, operated by lifting the knob on. the top of the pendant, giving it a quarter turn and depressing it. Unconventional engraved. backplate covering whole of movement, finely pierced bridge balance cock, rim of one of three. sides of balance cock cut away to expose the balance wheel. Silver regulator dial. Steel coqueret as end bearing for balance staff. Reference: The name "Japy" is stamped onto the plate under the dial. Frederic Japy is listed in Baillie. working at Beaucourt in France near the Swiss border. He was born in 1749 and died in. 1813.Clutton and Daniel in their book "Watches" say he effectively founded the modem. methods of mass-produced watch manufacture. He manufactured ebauches by machine tools. as early as 1776. This watch is typical oflate 18th century French verge watches: see plate 358-9 of Clutton and. Daniels "Watches" for a very similar looking watch. Provenance: Purchased from Steiner, Sydney, in August 1971. Dimensions: 5.4 cm diameter, 6.5 cm high