French gold repeating cylinder with jump hour hand Circa 1805

Gold open faced quarter repeating pocket watch by Breguet
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A very fine and rare French 18 carat gold open faced quarter repeating cylinder watch with jump hour hand, circa 1805. Montre à répétition des heures et des quarts. Sold on 21 Floréal An 13 (11 May 1805) to Monsieur Frantzins. Gilded brass ruby cylinder movement, plain three armed brass balance with parachute suspension on the top pivot, blued steel flat balance spring with bimetallic compensation curb on the regulator, quarter repeating on one hammer onto a gong. Gold cuvette. Engine turned gold dial with Roman numerals on blank chapter ring, secret signature No. 1543 Breguet to both sides of XII and blued steel Breguet hands. Engine turned case, hinged back centred by a blank cartouche with engraved letter F, quarter repeating pull-twist push-piece in the ribbed band. Case numbered, cuvette signed Breguet No. 1543, dial signed Breguet et Fils and with secret signature to both sides of XII.
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Diameter: 49 mm
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Signed: Breguet et Fils