French very rare quarter repeating calendar watch Circa 1790

Gold à toc repeating cylinder watch 
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A very rare French 18 carat rose gold and enamel open faced quarter repeating à toc gentleman’s pocket watch with calendar made by Jean Antoine Lépine in Paris, circa 1790. Prime quality frosted fire gilt movement with a cylinder escapement, one hammer, a going barrel, three arm ring balance and train for the going and striking mechanism. Pusher for repetition via the pendant. Polished case, a hinged back decorated with translucent blue enamel over a guilloché ground, the finely painted enamel depicts a lady dancing in a classical scene. White enamel dial with Arabic hour numerals, outer dot minute divisions, an outermost chapter ring for the date, and gold poker & beetle hands. Dial signed Lépine Invenit et Fecit, cuvette signed Lépine Hger du Roy à Paris.
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Diameter: 54.5 mm
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Weight: 111 g
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Signed: Lépine Invenit et Fecit
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Reference 0050000
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Montre à toc
 A ‘dumb’ repeater watch in which a hammer strikes the inside of the case to produce a muffled sound. Invented by Julian Le Roy in 1740.
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Minimal peripheral restorations.