Swiss grande sonnerie carillon trip minute repeater Circa 1910

Rose gold grande sonnerie carillon trip minute repeater by Zenith
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A fine and very rare Swiss 18 carat rose gold hunting cased two-train trip minute repeating carillon grande sonnerie keyless lever clock watch with three hammers and three gongs, circa 1910. Gilt movement, double train with differential winding, fully jewelled, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil, index regulator, striking the hours and quarters and minutes on three gongs with three hammers, centrifugal governor between the dial and dial plate, silence/sonnerie selection lever on the bezel border, repeating activated by a trip push-piece in the band. Gold hinged cuvette. All three lids are solid gold and close tight as they should be. The front lid opens when the top button is pushed.
White enamel dial with dauphine numerals, outer minute track, subsidiary seconds and original blued steel spade hands. Polished case.
Dial and movement signed.
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Diameter: 55 mm
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Signed: Zenith
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This type of minute repeating grande sonnerie clock watch movement, with carillon on three gongs with three stacked hammers but without petite sonnerie, were usually commercialised by Zenith using the Cesar Racine patent.
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Trip repeaters are much more advanced and complex. Using a double barrel system with tandem winding and a longer spring for the repeating power, this timepiece chimes from a simple push of the trip button and the chiming function can be repeated several times before the spring needs to be rewound.
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A museum piece in extraordinary condition.
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Reference 0100000