French 18k pink gold quarter repeating watch Circa 1809

Gold open faced cylinder watch by Breguet
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A very fine France 18K gold dumb quarter-repeating pocket watch with ruby cylinder escapement. Accompanied by a 1991 Breguet Certificate., circa 1809. Répétition de Première Classe, sold to Monsieur Moreau for Monsieur Dragly on June 12th, 1809, for 2400 Francs.
A very fine and rare original 20K pink gold and silver case, engine turned, à-goutte-case, 20K gold punch (Paris, 1809-1819), Breguet number 3457, case maker’s mark T 3688 (Tavernier), screwed dome, signed Breguet Gilt movement, standing barrel, 13 jewels, Breguet overhanging ruby cylinder escapement, plain brass three-arm flat rim balance, top pivot with pare-chute, flat blued steel balance spring, bimetallic compensation curb on the index regulator, repeating the hours and quarters with a massive polished steel hammer activated by a pulland- twist action plunger in the pendant.
Case with polished bezel, reeded band, engine turned back. Hinged gold cuvette.
Gold, engine turned with polished chapter ring, radial Roman numerals, outer dot minute markers, eccentric subsidiary seconds. Blued steel Breguet hands.
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Diameter: 56 mm
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Signed: Breguet  Paris
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Lazare Moreau was in charge of the Maison de Russie (the Breguet outlet in Russia, from 1808 to 1811.