English half hunter with power reserve indication Circa 1857

Gold half hunting cased watch with power reserve by Frodsham & Baker
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Technically interesting, heavy English 18 carat gold half hunting cased pocket watch with power reserve indicator, London Hallmarks circa 1857. Engine turned case with enamelled numerals. Typical English precision movement with 4/5 plate, screwed gold chatons, chain/fusee, diamond endstone, large compensation balance with gold and platinum screws. White enamel dial with Roman numerals, power reserve indicator and blued steel hands. Movement and dial signed and numbered.
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Diameter: 50 mm
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Weight: 113 g
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Signed: Frodsham & Baker Churchgrace Street London 7693
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Frodsham & Baker partnership
The most likely and historically accepted history of the Frodsham & Baker partnership points to a brief but highly successful Victorian-era collaboration between George Edward Frodsham and the chronometer maker Edward Baker from 1854 to 1863.

The early timeline (the 1808/1809 date often seen in modern auction catalogues) is generally considered a chronological error or a misattribution by later catalogers.