English classic 18K gold gentleman’s pocket watch Circa 1875

Gold open faced pocket watch by Charles Frodsham
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A classic English gentleman’s pocket watch, circa 1875.
The case is 18-carat gold, polished, with an engraved monogram AMV, a gold dome, and case maker’s punch mark CF (Charles Frodsham). The signed, numbered, enamel dial has radial Roman hours, auxiliary seconds, and blued spade hands. And the movement is a frosted, gilt and signed 4/5 plate movement with going barrel, screwed gold chatons, English lever escapement, gold screw compensation balance, florally engraved balance cock, and chatoned diamond endstone on balance.
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Diameter: 50 mm
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Weight: 119 g
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Signed: Charles Frodsham, 84 Strand London
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Charles Frodsham (1810-1871)
Frodsham was a maker of very fine watches, originally of the Strand, London, and then New Bond Street. His best quality watches bear the letters AD.Fmsz, which is interpreted as 1850, the year he bought J.R. Arnold’s estate after his death; the firm was known for a short period as Arnold and Frodsham. He conducted many experiments with compensated balances and the balance spring to discover their underlying principles; he also wrote several papers on technical subjects.