Fine English 18 carat gold open faced chronometer Circa 1874

Gold key wound chronometer 
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An exquisite English 18 carat gold open faced key wound pocket chronometer with spring detent escapement and anti galop system made by James McCabe in London, circa 1874. Gilt finished 2/3 plate movement with Earnshaw type spring detent escapement, a bimetallic compensation balance, blued steel helical balance spring and diamond endstone. Gold cuvette. White enamel dial with Roman hour numerals, an outer minute track, subsidiary seconds at 6 o’clock and Fleur de Lys hands. A monogrammed case with engraved initials surmounted by a lion’s head on the back. Dial and movement signed, case stamped with maker’s mark AS for Alfred Stram and the London date letter for 1874.
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Diameter: 49 mm
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Weight: 114 g
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Signed: Jas. McCabe Royal Exchange London