French silver one hand Oignon with mock pendulum Circa 1690

Open faced verge pocket watch by Marche
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A French very early, one hand Oignon with central winding, very big balance and mock pendulum, circa 1690.
Plain silver case, rare early edition with central winding. Very early verge movement with special very big 2-armed balance with mock pendulum; decorated verge cage with birds and rocailles and signed plate. White enamel dial with embossed cartouches, Roman numerals and very beautiful one blued steel hand.
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Diameter: 57 mm
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Weight: 149 g
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Signed: Marche à Rouen