Excellent Swiss gold chronograph minute repeater Circa 1905

Gold open faced lever pocket watch
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An excellent Swiss 18 Carat gold pocket watch with split-seconds chronograph and 30 minute register, circa 1905. A keyless, minute repeater by C.H. Meylan, Brassus. A solid, demi bassine, polished, hinged gold cuvette with engraved inscription.
White enamel dial with Breguet numerals, outer 1/5th second scale and red five-minute/second Arabic numerals, subsidiary seconds and 30-minute register. Blued steel spade hands.

Rhodium-plated movement with Geneva striping decoration, 40 jewels, straight-line calibrated lever escapement, cut bimetallic compensation balance adjusted to eight positions, blued steel Breguet balance spring, swanneck micrometre adjustment to the regulator, repeating on gongs activated by a slide on the band.
Dial and movement signed, case numbered.
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Diameter: 50 mm
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Signed: C.H. Meylan Brassus Swiss