English gold complicated double dialled World Time watch Circa 1900

Gold complicated lever watch by Henry Lewis & Co.
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An English gold double open faced triple calendar watch with moon phases and world time indication, circa 1900. The watch features a Swiss movement with a lever escapement. It has two dials: the front dial is white enamel with Roman numerals, an outer minute ring, three subsidiary dials for the day, date, and month, and a subsidiary seconds dial. There is an aperture for moon phases, and it is marked at the top with Greenwich Time, signed above the day and date dials by Henry Lewis & Co., London. The back dial is also white enamel, displaying seven subsidiary dials marked for New York, St Petersburg, Calcutta, Melbourne, Vienna, Berlin, and Paris.
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The case has gold bezels and a pendant, with pushers in the band for manually adjusting the calendar and moon indications. There is a pusher beside the pendant to simultaneously advance the time on the front dial and all seven subsidiary time dials on the back, with a regulation arm beneath the back bezel.
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Diameter: 55 mm
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Signed: Henry Lewis & Co London
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Movement is running. All hands adjust, and the calendar and moon phase indicators advance at midnight. The calendar adjusters for the band are all operational. The dials show some scratches, with very slight chipping on the centres of some of the subsidiary time dials near their arbors. The case has been repolished and has light scuffs, scratches, and light indentations. The back bezel is slightly loose.
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Henry Lewis & Co. was located at 172 New Bond Street in London circa 1880. Henry Lewis was registered at 7 New Bond Street in London from 1876 to 1879. Following this, he operated as Henry Lewis & Co. at 172 New Bond Street, London, from 1880 to 1898, and then as Henry Lewis & Co. Ltd. beginning in 1898. From 1899 to 1901, the company was situated at 109 Mount Street, London; from 1902 to 1912, this business continued under the name Henry Lewis at the same address.