Swiss platinum, black onyx and diamond-set lapel watch Circa 1925

Platinum Art Deco Lady’s lapel watch
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A very fine and rare Swiss, Art Deco, platinum, black onyx and diamond-set lapel watch, circa 1925. A platinum rectangle case, front engraved with a mask and foliage, engraved band, backset with panels of black onyx outlined by lines of rose-cut diamonds, in the centre a large rectangular diamond, onyx and diamond-set articulated suspension, black ribbon with diamond-set slide and diamond and onyx set terminal, winding crown set with a cabochon onyx. Matte gilt dial with Arabic numerals, outer minute track. Blued steel moderne hands. A navette shaped movement, frosted gilt, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator.
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Dimensions: 31 x 18 mm
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Signed: Verger Freres  Swiss
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This watch is a particularly high-quality example of the Art Deco Jazz style of the mid-1920s. The onyx panels are cut and shaped especially for this watch and the diamonds are of an unusually large size for such a piece.