English extraordinary heavy pair-cased pocket watch Circa 1818

Silver pair cased watch by Thomas Oliver
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An extraordinary heavy pair cased English pocket watch, circa 1818.
Two cases: outer case – silver, polished, with case maker’s punch mark WB/CH (William Bush / Charles Hazle, Bowling Green Lane, Clerkenwell), and dedication engraving on the backside: Ja(me)s Rhodes, Halifax, 1866; inner case – silver, polished, with case maker’s punch mark WB/CH (William Bush / Charles Hazle, Bowling Green Lane, Clerkenwell). Enamel dial with radial Roman hours, auxiliary seconds, and blued spade hands. Signed, gilt, full plate movement with chain/fusee, round movement pillars, English lever escapement, three-arm steel balance, engraved balance cock, and diamond endstone on balance.
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Diameter: 59 mm
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Weight: 369 g
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Signed: Thomas Oliver, London
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The watchmaker Thomas Oliver worked in London, 17 Fleet Street around 1785 in partnership with Joseph West. From 1790 till 1800 he worked in 2 Brook Street, Hanover Square; after that, he is supposed to have a shop in New Bond Street.