French silver gold deck chronometer 1st class Circa 1900

1^st class with chronograph with anker chronometer
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A unique observatory deck chronometer 1^st class with chronograph, made by Louis Leroy & C^IE, in Paris, France, circa 1900. The open faced very high quality case of this watch was crafted from silver and gold and has stiff hinges, the case punch Louis Leroy, a numbered cuvette which is inscribed: Observatoire National de Besançon, Horlogerie de la Marine, 7 B^D de la Madeleine, Fondee, 13 15 Palais Royal, Paris, Bulletin de I^RE classe and the number of points won that resulted in winning the Médaille d’Or. The white enamel dial has Arabic hour numerals, a 60 minute counter at 12 o’clock, a subsidiary seconds dial at 6 o’clock and gold hands. The movement has a top quality anker chronometer escapement and a chronograph.
The dial, cuvette and movement are signed.
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Diameter: 55 mm
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Weight: 132 g
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Signed: L. Leroy & C^ie (cuvette and movement)
Leroy Paris (dial)