Swiss silver repeater made for the German market Circa 1910

Silver hunter with chronograph
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A large Swiss minute repeating, keyless hunting cased pocket watch with a chronograph, circa 1910. Made for the German market. An engine-turned case with a polished band and borders, a chronograph button in the band and a hinged silver cuvette. White enamel dial, Arabic numerals, outer minute divisions, outermost seconds divided into fifths and calibrated to 300 units, subsidiary sunk seconds and gold Louis XVI hands.
A rhodium-plated movement, 18 jewels, straight-line lever escapement, notched monometallic balance with self-compensating Breguet balance spring, index regulator, repeating on gongs activated by a push-piece in the band. Signed case with German silver mark and makers mark K&M.
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Diameter: 59 mm
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Signed: National Watch Co.  Chaux-de-Fonds