French 18K gold Lepine with rare engraved dial Circa 1825

Gold open faced cylinder watch 
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An exquisite Lepine with rare engraved dial, important watchmaker, Antide Janvier, Horloger Mécanicien du Roy, Au(x) Louvre, circa 1825. An 18K gold, very high quality case with curved relief rim, back engine turned, dome with enamelled signature, very fine cylinder movement with key winding, rare and very beautiful silver dial with detailed engraved figure scene, Breguet hands, in rare condition, with old leather pouch.
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Diameter: 41 mm
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Weight: 34 g
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Signed: Antide Janvier   Louvre
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Antide Janvier (* 1 July 1751 in Briva, Lavans-lès-Saint-Claude; † 23 September 1835 in Paris) was a French watchmaker and author. He quickly gained reputation as a manufacturer of complicated and difficult clocks of the highest quality, including many pendulums, globes, astronomical clocks, spheres and planetariums, for which he invented new types of gears and designs. In 1775 and 1784 he stayed in Paris and Versailles to present his works to the kings Louis XV and Louis XVI. During the French Revolution he spent a lot of time in prison because of his royal connections. Later he got into financial difficulties because many of his works were not paid. He died in Paris in 1835.