Swiss silver minute repeating keyless pocket watch Circa 1910

Silver open faced lever pocket watch
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A fine Swiss, minute repeating, silver keyless pocket watch, circa 1910. A polished case, gold slide. Hinged silver cuvette. White enamel dial with Arabic numerals, outer minute divisions and Arabic five-minute numerals, subsidiary seconds. Blued steel spade hands. A rhodium-plated movement, 15 jewels, straight-line lever escapement, monometallic balance adjusted to two positions, Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band.
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Diameter: 50 mm
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Signed: Jeanneret-Brehm  Swiss