Early balance spring alarm watch without fusée Circa 1680

Silver pair cased verge watch by Jean Hubert
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A very fine and extremely rare French silver pair cased early balance spring alarm watch without fusée, circa 1680. Gilt finished verge movement, alarm train with pierced and engraved foliage  decorated gilt brass fixed barrel, striking on a bell, engraved and largely pierced balance cock to reveal the three armed balance and the early balance spring, later Huygens type slide regulator, amphora shaped pillars. Silver dial with black inlaid Roman numerals on blank chapter ring, single steel hand, inner revolving alarm disk with Arabic numerals, centre engraved with flowers, steel pointer, finely engraved floral and scroll decorated. Case with pierced and engraved band decorated with foliage, birds and chimera, split bezel, five piece hinge. Movement signed.
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Diameter: 49 mm
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Signed: Jean Hubert à Rouen Fecit