German repeating coach clock with self strike and date Circa 1740

Silver coach clock in pair cases by Joseph Spiegel
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A museum quality German silver and leather covered pair cased quarter repeating, quarter hour and hour self striking coach clock with alarm and date, circa 1740. Full plate movement, a chain and fusee for the going train, three geometrically engraved barrels for the striking mechanism and alarm clock, four hammers, an elaborately pierced balance cock, a verge escapement and three arm brass balance. Silver champlevé dial with Roman hours, an outer minute track, Arabic five minute numerals, a central rotating alarm disc, a small aperture for the date at 12 o’clock and decorative hands. The leather covered outer case is decorated with nails, has sound openings and a large outer hinge, the repoussé inner case depicts the four elements based on Roman deities: Neptune, Ceres and Vulcanus, as well as Jupiter as an eagle with Ganymede, has pierced bezels with volutes and rocailles, and a rear bell. Movement signed. Comes with the original presentation box and original winding key.
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Diameter: 114 mm
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Weight: 994 g
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Signed: Joseph Miroir à Paris
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This coach clock was made in Friedberg, Germany, but for marketing reasons, the Friedberg watchmaker Joseph Spiegel translated his name into French and added Paris to his signature. In addition to Spiegel, there are 24 other watchmakers from Friedberg of that time whose names, translated or spelt backwards, can be found next to a false Paris, London or Augsburg.