Swiss gold chronograph pocket chronometer with register Circa 1910

Gold chronograph with register by Vacheron & Constantin
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A historically important Swiss pocket chronometer with chronograph, accompanied by the extract from the archives, circa 1910.
Polished 18K gold case, back with enamelled monogram SM for Stefano Morino, the captain of the Leonardo da Vinci. Cuvette with quality inscription CHRONOMETRE and Italian dedication from 1914 Non si volta chi a Stella è Tiso / Ricordo Della Leonardo da Vinci / Maggio 1914. Signed enamel dial with Breguet-style radial hours, outer minutes/seconds track with Arabic five minutes/seconds numerals, subsidiary dial for the seconds, 30-minute counter, and gold pear hands. Top class chronometer movement, large chronometer balance, fine adjusting device, wolf’s toothing, chronograph with counter.
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Diameter: 55 mm
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Weight: 126 g
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Signed: Vacheron & Constantin Genève
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A historically interesting Geneva pocket chronometer of the extra class.
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About the history: The historical department of the Italian navy confirms that Captain Stefano Morino took command of the ship Leonardo da Vinci in May 1914. This watch, which bears his monogram, was given to him on that occasion. The Leonardo da Vinci was purchased by the Italian Navy (Regia Marina) on 10 October 1911 and was in service from 17 May 1914. It was damaged on 2 August 1916 and restored in 1919. Its slogan was: ‘Non si volta chi a stella è Tiso’.