American metal open faced duplex with tourbillon Circa 1880

Metal so-called poor man’s tourbillon
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An American metal open faced duplex pocket watch with tourbillon, circa 1880. This watch has a rotating duplex movement. The screwed on cuvette is engraved WCW series A. The centre of the dial is skeletonized, a further white enamel chapter ring with Roman hours, outer minute divisions and blued steel hands. A plain case.
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Diameter: 50 mm
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Weight: 103 g
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Signed: No name
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The Waterbury Clock Company factory is a historic complex of factory buildings in Waterbury, Connecticut, U.S.A. Development began in 1873, with the extensive plant serving as the company’s main manufacturing facility and headquarters until 1944. The company is now known as the Timex Group U.S.A. and was for a time one of the world’s largest manufacturers of pocket watches. The surviving elements of the manufacturing complex were listed on the National Register of Historic Places in 1982. The property has since been subdivided and is home to a variety of primarily industrial or commercial uses.