French 18 carat gold à goutte chronometer of finest quality Circa 1870

Chronometer with chronograph
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A chronometer of finest quality with a chronograph, made by Le Roy & Fils in Paris, France, circa 1870. The numbered à goutte case of this watch, which was crafted from 18 carat gold, is engine turned with a monogram on the back lid and has a numbered cuvette inscribed with “H^GER’S de la Marine, Palais Royal, 13 & 15 Gal^IE Montpensier, Paris, 211 Regent Street London”. The especially beautiful white enamel dial has a chronograph scale, red Arabic five minutes numerals, a subsidiary seconds dial at 6 o’clock and gold hands.
The movement has a top quality anker chronometer escapement, gold wheels and a  chronometer balance.
The cuvette is signed.
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Diameter: 52 mm
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Weight: 117 g
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Signed: Le Roy & Fils