Swiss silver-gilt quarter repeating verge coach watch Circa 1810

Silver-gilt watch with the portrait of Napoleon I
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A very fine and rare Swiss quarter repeating silver-gilt coach watch with a very fine Limoges enamel portrait of Napoleon I, circa 1810. Empire case, the bezel chased with a repeated palmette pattern, the back set with a Limoges enamel portrait of Napoleon I against a deep red ground, outer border to match the bezel. White enamel dial with Arabic numerals, outer minute track, winding aperture at 2, foliate engraved border on the dial plate and blued steel hands.
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A matte gilt full-plate movement, pentagonal baluster pillars, fusee and chain, verge escapement, five-arm brass balance, flat balance spring, pierced and engraved foliate continental balance cock with polished steel endplate, silvered regulation dial, repeating on a bell in the back of the case activated by depressing the pendant. Dial and movement signed.
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Diameter: 79 mm
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Signed: Etienne Cless Genève
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The dial is slightly chipped.
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This watch is set with a very fine and expressive chiaroscuro portrait of Napoleon by the Limoges school of enamellers. It is very rare to find a coach watch decorated in this way. It was perhaps made as a special order.