Swiss min. repeating split seconds chronograph Circa 1902

A fine Swiss 18 carat gold open faced keyless minute repeating split seconds chronograph, circa 1902. Manual winding jewelled nickel lever movement, bimetallic cut compensation balance, swan neck regulator, two polished hammer repeating on gong. 18 Carat gold hinged cuvette. White enamel dial, Breguet numerals, two subsidiary dials for constant seconds and 30 minute, outer seconds rail track with red numerals. Plain polished case with centred enamel monogram ‘GJS’. Case, dial, cuvette and movement signed.
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