English 18 carat gold and enamel lever pocket watch Circa 1911

Gold and enamel open faced watch
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An exquisite English 18 carat gold and enamel pocket watch, Hallmarked London 1911.
The elegant and very flat numbered coin edged case has rose coloured guilloché enamel on both sides with white edges and maker’s mark GS. Signed silvered dial with radial Breguet style hour numerals, outer minute dots, subsidiary seconds at 6 o’clock and and blued steel pear hands.
A nickel plated movement with lever escapement.
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Diameter: 45 mm
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Weight: 55 g
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Signed: Duncan