Swiss 18 carat gold open faced lever pocket watch Circa 1905

Gold keyless pocket watch 
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A fine Swiss 18 carat gold open faced keyless lever pocket watch, made by Longines, circa 1905-1910. This watch features a mechanical lever movement with an lever escapement. It has a white enamel dial with painted Arabic numerals, a small seconds hand at 6 o’clock, an outer minute track, and Louis XV style hands. The 18 carat gold case back is engraved with SP in a finely chased foliate scroll design. The dial, inner case, and movement are signed. The cuvette and movement are numbered.
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Diameter: 48.5 mm.
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Weight: 81.5 g
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Signed: Longines