Rare French Médaillon à la Breguet repeating watch Circa 1820

Unsigned gold half-hunting cased pendant watch
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A rare French gold half-hunting cased Lépine repeater, Médaillon à la Breguet-Type, circa 1820. This watch features a Breguet-type 18K gold Lépine case with a sunburst effect and a coined band. The gilt movement is a very rare calibre equipped with a quarter-hour repeater, standing barrel, jewelled cylinder escapement, three-arm balance, flat balance spring, and an index regulator. An eccentric dial with a hinged face is under the engine-turned second lid, used for winding and time-setting. The eccentric enamel dial has Breguet-style radial hours, an outer minutes track, and steel hands.
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Diameter: 37 mm
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Weight: 35 g
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Signed: No name
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It is probably hardly worn and in excellent condition, with only a minimal amount of craquelling on the dial.
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This type of watch, Médaillon à la Breguet, is extremely rare, especially with a striking mechanism. It was developed by Breguet.