German rare silvered metal dead seconds watch Circa 1800

Silvered metal dead seconds open faced watch
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A German rare silvered metal dead seconds open faced watch with pouzait type lever escapement, circa 1800, skeletonized gilt movement with L’epine bridges, Pouzait type lever escapement, oversized five arm balance wheel  with regulator.
White enamel dial, outer seconds track, eccentric hour and minute dial at 6 o’clock, silvered metal case, glazed back revealing the movement, reeded case band, dial and movement signed, regulator edge further signed Roetig.
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Diameter: 56 mm
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Signed: Attributed to Friedrich Wilhelm Roetig
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This watch bears the signature of Friedrich Wilhelm Roetig (1782-1861) who was not only a watchmaker but also an optician. He was known for making clocks and watches with special types of escapements, of which the present watch certainly has. Moise Pouzait developed the escapement with his name in 1786 as a response to the Chinese market looking for watches with dead-beat seconds.