English 18 carat gold dual time zone pocket watch Circa 1860

A fine and rare probably English 18 carat gold full hunter dual time zone pocket watch with central seconds, circa 1860. Retailed by Barick Cornell of New York. Jewelled 3/4 plate dual-movement with lever escapement, cut and compensated bimetallic balance.
Gilt finely engraved dial with a country scene in the background, dual Roman chapters dials for separate time zones, subsidiary seconds at 6, running seconds hand Foliate engraved case with hunting scene on both hinged sides, reeded band.
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Diameter: 57 mm
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Signed: Delachaux