Heavy English rose gold repeating chronometer Circa 1814

Rose gold chronometer by Ganthony
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A heavy English 18 carat rose gold repeating pocket chronometer, Hallmarked London 1814. Very fine pocket chronometer movement, duplex escapement, temperature compensation, diamond endstone, repeating on a gong. White enamel dial with Roman hours and outer minute divisions, subsidiary seconds, rose gold hands. Plain case, case maker’s mark WM. Case numbered, dial and movement signed and numbered, case and movement with matching numbers.
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Diameter: 57 mm
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Weight: 166 g
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Signed: Ganthony Lombard Street London
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Richard Ganthony, London chronometer maker and master since 1828. He was a student of Thomas Miles and was released by the London Clockmaker’s Company in 1794.