French 20k gold and silver quarter repeating watch Circa 1826

Gold pocket watch with ruby cylinder escapement
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A very fine two-tone 20K gold and silver French, quarter repeating pocket watch with ruby cylinder escapement, circa 1826.
Accompanied by a Breguet morocco fitted box. An 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 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 the 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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Baron Delmare by Breguet, Horloger de la Marine Royale, sold to Monsieur Bernewall on November 18, 1826 for 1,600 francs, bought back on September 20, 1834 for 1,000 francs and re-sold to Baron Delmare on April 27, 1835, for 1,800 francs.