French 20K gold and silver quarter repeating pocket watch Circa 1826

Two-tone open faced cylinder pocket watch 
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A very fine and rare French, two-tone, 20K gold and silver, quarter repeating pocket watch with ruby cylinder escapement, circa 1826. Au Baron Delmare Breguet, Horloger de la Marine Royale, sold to Monsieur Barnewall on November 18th, 1826 for 1,600 francs, bought back on September 20th, 1834 for 1,000 francs and re-sold to Baron Delmare on April 27th, 1835, for 1,800 francs.
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The case is made by Tavernier (master mark), engine-turned silver band, polished back. Hinged gold cuvette. White enamel dial with radial Roman numerals, outer minute divisions, eccentric subsidiary seconds at 5 o’clock. Blued steel Breguet hands. A gilt brass movement, overhanging ruby cylinder escapement, plain three-arm balance with a parachute on the top pivot, blued steel flat balance spring, index regulator with bimetallic temperature compensation curb, jewelled escapement, repeating on two gongs with two hammers activated by a pull-and-twist piston at 2 o’clock on the band. Dial and cuvette signed.
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Diameter: 48 mm
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Signed: Breguet  Paris
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The dial is reprinted.
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Provenance: Bloomfield Collection, San Diego. This watch is recorded in the archives as having a silver dial (cadran argent Tavernier), the present white enamel dial would have been fitted in the Breguet workshop probably between the time the watch was bought back from Barnewall and was resold to Baron Delmare. It has not been possible to trace a “Baron Delmare”, however in the archives, the spelling of the names of Breguet’s clients, particularly the English names, is rather hit-and-miss, and Baron Delmare is quite likely to be Thomas Cholmondeley, 1st Baron Delamere 1767-1855.
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Delamere: was the son of Thomas Cholmondeley (pronounced Chumley), Member of Parliament for Cheshire, and Dorothy Cowper. He was elected to the House of Commons for his father’s old seat of Cheshire in 1796, which he retained until 1812, and also served as High Sheriff of Cheshire. In 1821 he was raised to the peerage as Baron Delamere, of Vale Royal in the County of Chester. Lord Delamere married Henrietta Elizabeth Williams-Wynn, daughter of Sir Watkin Williams-Wynn, 4th Baronet, and Charlotte, daughter of Prime Minister George Grenville, in 1810. He died in October 1855, aged 88, and was succeeded in the barony by his eldest son Hugh Cholmondeley.