English gold perpetual calendar split seconds chronograph Circa 1913

Gold repeating full hunter with moon phases by Carrington & Co.
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A high-quality English gold hunting cased perpetual calendar split seconds chronograph watch with minute repetition and moon phase, circa 1913. This watch features a movement with a gilded three-quarter plate by Nicole Nielsen, lever escapement, bimetallic compensation balance, diamond endstone, satin-finished steel chronograph bridges visible to the backplate, polished steel hammers repeating on coiled gongs to the inside back, signed and numbered Carrington & Co., By Royal Appointment, 130 Regent Street, London, 12596. The T.J. Williams type cream enamel dial has Roman numerals. It also includes four subsidiary dials for day, month within four four-year leap cycles combined with a 60-minute register, date, and subsidiary seconds combined with an aperture for moon phases, a black outer minute ring, and an outermost track for tachymeter calibrated in red.
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The 18k gold case has plain polished covers, stepped bezels, polished gold cuvette, sunken repeating slide to the band, two large pushers for chronograph/split to the band, gold pendant and bow, and three pushers beneath the bezel for adjusting day, date, and moon phases. The case is hallmarked London 1913, with a rubbed case maker’s mark probably RN within a rectangular cameo for Robert Benson North Trading as Nicole Nielsen & Company, and a gold pendant with the maker’s mark CH.
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Diameter: 60 mm
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Signed: Carrington & Co., By Royal Appointment, 130 Regent Street, London
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The dial appears to be in good condition, while the case has some light scuffs. The movement is running and repeating, and the chronograph is also functioning. However, the movement is slightly dirty, with some tarnishing to the gilding.
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The Carrington firm was named after its founder, John Bodman Carrington, who established his manufacturing business at 130 Regent Street in 1873. Carrington was known for being high-quality jewellers, diamond merchants, dealers in precious stones, and silversmiths. They were initially awarded the Royal Warrant by Queen Victoria, and later by Prince Albert, Edward VII, and George V, as well as Nicholas I and II and Queen Alexandra of Russia.