English gold classy pocket watch with chronograph Circa 1885

Gold gentleman’s pocket watch by Charles Frodsham
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A classy English gentleman’s pocket watch with chronograph, circa 1885.
An 18 Carat gold, polished case with pusher for chronograph via pendant, case maker’s punch mark HMF (Harrison Mill Frodsham), and glazed movement; a signed enamel, off-white (Willis) dial with radial Roman hours, auxiliary seconds, numbered, and blued spade hands; and a signed, frosted, gilt, chatoned 3/4 plate movement with English lever escapement and gold screw compensation balance.
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Diameter: 52 mm
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Weight: 134 g
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Signed: Charles Frodsham
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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.