Large English chronometer, power reserve Circa 1899

Silver open faced chronometer by Victor Kullberg
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A large English silver open faced keywound chronometer with power reserve, circa 1899. Full plate gilt finished cylinder movement, chain fusée, large bimetallic compensation balance with gold screws, blued steel helical spring with diamond endstone, freesprung regulator. Silver cuvette. White enamel dial, Roman numerals, two sunk subsidiary seconds for power reserve and constant seconds. Plain case, rose gold hinges. Case numbered, stamped with casemaker’s initials ‘FT’ (Fred Thoms) and London date letter for 1889, dial and movement signed and numbered.
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Diameter: 64 mm
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Signed: A. Ericsson St. Petersburg