Swiss gold grande sonnerie lever clockwatch Circa 1910

Yellow gold sonnerie watch by Zenith
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A very fine and rare Swiss manual wind 18K yellow gold hunting cased pocket watch with grande sonnerie, circa 1910. Rhodium plated movement, jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, striking the hours and quarters on two gongs with two hammers, Silence/Sonnerie selection lever on the bezel border. Gold hinged cuvette.
White enamel enamel dial with Arabic numerals, outer minute track, subsidiary seconds and original gilt spade hands. Plain case. Dial, case and movement signed.
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Diameter: 55 mm
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Signed: Zenith