Swiss hunting cased minute repeating lever chronograph Circa 1910

Niëllo silver and rose gold doctor’s chronograph
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A fine and unusual Swiss niëllo silver and rose gold hunting cased minute repeating keyless lever pocket watch with chronograph, register and pulsations scale, circa 1910. Matte gilt movement, 28 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by depressing a button in the band, centrifugal governor. Hinged silver cuvette. White enamel dial with Breguet numerals, inner red 24-hour numerals, an outer minute and fifths of a second track, an outermost red pulsation scale to 30 pulsations, subsidiary seconds at 9 0’clock, register at 3 and blued steel epee hands. White enamel dial with Breguet numerals, inner red 24-hour numerals, an outer minute and fifths of a second track, an outermost red pulsation scale to 30 pulsations, subsidiary seconds at 9 0’clock, register at 3 and blued steel epee hands. The polished case is entirely decorated with a checkerboard pattern, the front is inlaid with a rose gold vacant cartouche, rose gold repeating and chronograph buttons. Case numbered and with German silver marks.
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Diameter: 54 mm
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Signed: No name