Swiss platinum Amphora-shaped Art Deco lapel watch Circa 1927

Platinum, diamond and pearl lapel watch
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An elegant Swiss platinum, diamond and pearl-set Art Deco lapel watch, circa 1927. Amphora-shaped case, the back entirely set with round and baguette diamonds, pearl terminal and lower pearl winding crown, the bezel with black champlevé enamel decoration, suspended from round and baguette diamond-set platinum links terminating to a platinum, round and baguette diamond and pearl-set brooch. Silvered, oval dial, upright Arabic numerals, outer minute track and blued steel Lozenge hands.  Oval, nickel-plated movement, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance with five adjustments, flat balance spring, index regulator. Movement signed, case numbered.
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Dimension: 39 x 17 mm
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Total length: 100 mm
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Signed: Vacheron & Constantin  Genève
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The case is made possibly by Verger Frères