Heavy English gold open faced precision watch Circa 1901

Gold lever pocket watch by Benson
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Heavy English 18 carat gold open faced precision pocket watch, London hallmarked 1901. Top-quality English precision lever movement with diamond endstone, inscribed The Field Watch by J.W. Benson by special order to H.M. the Queen and Prince of Wales. Original white enamel dial with Roman numerals, subsidiary seconds and blued steel hands. Massive, high-quality original Benson case with hallmark JWB, the back monogrammed. Comes with the original box. Dial signed, movement signed and numbered.
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Diameter: 52 mm
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Weight: 131 g
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Signed: J.W. Benson London