Large Swiss 18k rose gold complicated lever watch Circa 1890

Rose gold complicated keyless lever attributed to LeCoultre & Co
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A very fine, very rare, and large Swiss 18 carat rose gold hunting cased minute repeating keyless lever pocket watch with perpetual calendar, chronograph, moon phases, and age, circa 1890. Retailed by L. Erbeau & Cie, 100, Bd. De Sebastopol, Paris. Rhodium-plated movement, Geneva striping decoration, 35 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, visible chronograph work, repeating on gongs activated by a slide on the band. Gold hinged cuvette engraved A. Delton and the retailer’s address. White enamel dial with Roman numerals, outer minute track and fifths of a second chronograph division, Arabic five-second numerals, subsidiary dials for the date, days of the week, the months with leap-year cycle and seconds, moon phase aperture with moon’s age on the border and original gold spade hands. Massive case, polished, sprung front cover with an engraved foliate monogram. Cuvette signed by the retailer.
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Diameter: 56 mm
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Signed: L. Erbeau & Cie 100 Bd. De Sebastopol Paris