Swiss silver open faced IWC lever pocket watch Circa 1912

Silver lever watch by IWC Schaffhausen
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A silver IWC pocket watch with an open face, circa 1912. The watch has a silver engine-turned case with a cartouche and case number 552153. It features a precision lever movement with screwed gold chatons and movement numbered. The enamel dial displays Arabic radial hours, an outer minutes track, a subsidiary dial for the seconds, and red gold hands. The watch is in working condition, and both the case and movement are signed by IWC.
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Diameter: 51 mm
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Weight: 92 g
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Signed: IWC
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IWC was founded in 1868 by Florentine Ariosto Jones, an American engineer and watchmaker. Jones combined modern engineering technology from the U.S. with Swiss craftsmanship to produce high-quality watches for the American market. Johann Heinrich Moser helped Jones establish IWC in Schaffhausen, the only watch manufacturer in north-eastern Switzerland. Moser built Schaffhausen’s first hydroelectric plant, laying the cornerstone for future industrialization.