Swiss silver lever with independent jumping seconds Circa 1810

Silver open faced lever watch 
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A silver keywind pocket watch with independent jumping and stoppable seconds, circa 1810. Jewelled lever quality movement. Engine turned case and plain band, slider for stopping the seconds. Bar movement with  2 barrels for gear train and independent jumping seconds.
White enamel dial, gilt “Fleur de Lys” hands and blued steel second hand, Roman numerals.
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Diameter: 50 mm
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Weight: 67 g
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Signed:  No name
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Reference 03000