English gold open faced pocket watch with ensemble Circa 1912

Gold open faced keyless lever pocket watch
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A fine English three piece Edwardian 18 carat gold open faced pocket watch with ensemble made by J.W. Benson in London, circa 1912. The watch is powered by a high grade mechanical keyless winding 3/4 plate gilded brass movement (The New Ludgate / Best London Make), featuring a lever escapement, compensation balance wheel, and blued steel screws, signed J.W. Benson / 62 & 64 Ludgate Hill / London. The white enamel dial has black Roman numerals, an outer minute track, a subsidiary seconds dial at 6 o’clock, and blued steel poire hands, signed J.W. Benson / London. It is housed in a substantial 18 carat solid yellow gold open faced case with a plain polished reverse back cover. The interior caseback and gold cuvette bear official London 18K gold hallmarks for 1912 and the maker’s mark JWB.
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This watch is completed by a heavy 18K gold Albert chain and a 9K gold mechanical pencil by Sampson Mordan & Co. (hallmarked London 1937), the premier maker of luxury writing instruments in England. Weighing 152.3 grams, this set represents a magnificent and authentic complete presentation ensemble spanning the Edwardian and interwar eras of British horology.
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Diameter: 44 mm
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Weight: 107 g
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Signed: J.W. Benson London
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The watch is in good working order. Surface scratches, dents, and wear are consistent with age and use on all components. There is an impact mark on the enamel dial between the seven and eight numerals.
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J.W. Benson (operating from 62 & 64 Ludgate Hill, London) was one of late Victorian and Edwardian Britain’s premier horological manufacturers, holding Royal Warrants to both Queen Victoria and the Prince of Wales. The Ludgate calibre was among Benson’s most famous proprietary London made movements, renowned for its exceptional precision and robust English 3/4 plate construction.