Extra flat Swiss bi coloured gold Art déco dress watch Circa 1925

Gold bi coloured lever by Patek Philippe
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A rarity, bi coloured extra flat Patek Philippe Art déco dress watch with a platinum case, top quality with Genèva seal, circa 1925. A case punch Platinum Pt-950, case rim 18 Carat gold, Genèva prime calibre, double punched with Genèva quality seal, Geneva striping, wolf’s toothing, balance with gold screws, original bi coloured dial, golden hands, dial with some minimal scratches, otherwise very well preserved. Patek Philippe Art déco dress watches with a platinum case are very rare.
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Diameter: 43.5 mm
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Weight: 51 g
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Signed:  Patek Philippe Genèva
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A comparable watch was auctioned by Christie’s in Geneva and sold for 10,500 Swiss Francs