Gold minute repeating chronograph with calendar Circa 1868

An English 18K gold keyless wind minute repeating triple calendar full hunter pocket watch with moon phase, London Hallmark for 1868. Swiss lever movement, cut and compensated bimetallic balance, column wheel chronograph, steel chronograph works, two polished hammers striking on two gongs, fly ball governor. White enamel dial, black Roman numerals, black outer minute and 0-300 tracks, subsidiary dials at 3, 6, 9 and 12 for day, date, month, seconds and moon phase, blued steel spade hands and centre chronograph hand. 18 Carat polished round hinged case, monogram to back, repeat slide in the band at 6, chronograph button at 12. Cuvette stamped ‘HP’.
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Diameter: 57 mm
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Signed:  No name