Swiss silver open faced with duplex escapement Circa 1870

Silver watch with an engraved landscape scene
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A Swiss silver open faced keywinding pocket watch, made by L. Matthey, Geneva, circa 1870. An engine turned case back with in the center a circle, fluted case band, cuvette is engraved with a scene showing a hunter near a lake in a mountain landscape. A white enamel dial, outer minute track, radial Roman numeral, and yellow gold Breguet hands. A gilded brass, full plate movement, going barrel, duplex escapement, cut bimetallic compensated balance with gold poising screws and blued steel flat hairspring, polished steel index regulator. Signature on the cuvette.
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Diameter: 47 mm
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Weight: 61 g
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Signed: L. Matthey, Geneva