French gold watch with independent deadbeat seconds Circa 1805

Gold open faced second morte lever watch
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A French 18 carat yellow gold open faced pocket watch with independent deadbeat seconds made by Viel Robin, Horloger du Jardin du Roi in Paris, early 19th century. This watch features a key wound mechanical movement with double barrel, one for the mainspring and the other for the independent deadbeat seconds, a three arm spiral balance with lateral lever escapement, and an advance/delay adjustment racket, signed Viel Robin on the bridge. The white enamel dial displays Breguet style Arabic numerals and hands, a centre deadbeat seconds hand with a safety catch on the case middle, a circular grained minute track, and a small seconds hand.
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The round 18 carat yellow gold case features an entirely guilloché decoration. The gold cuvette is signed and numbered Viel Robin No. 469 Hger du Jdin du Roi Paris, with three apertures for the square winding of the hours and minutes, mainspring, and independent deadbeat seconds.
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Diameter: 61 mm
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Weight: 130 g
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Signed: Viel Robin, Paris
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Viel Robin was a watchmaker located in Montmartre, Paris, on rue des Fossés, around 1830. His name appears in the Dictionnaire des Horlogers Français.