Swiss gold quality Extra ankerchronometer dress watch Circa 1925

Gold open faced dress watch by Patek Philippe
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A very fine Swiss 18-carat gold open faced quality Extra ankerchronometer dress watch, circa 1925. Retailed by Tiffany. Extremely rare thin ankerchronometer of Extra quality, Geneva striping decoration. Cuvette inscribed H.B.R. 12-24-28 to G.E.R. 1-14-49, referring to the previous owners. Silvered dial with gold Breguet hours and gold Breguet hands. Plain case, monogram GER on the back, integrated invisible hinge. Dial signed, case numbered, cuvette and movement signed and numbered, case and movement with matching numbers. Comes with the original box.
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Diameter: 45 mm
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Weight: 62 g
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Signed: Tiffany & Co Switzerland – Patek, Philippe & Co Switzerland
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This piece is a rarity. Only a few Patek Philippe dress watches were equipped with the best chronometer calibre, Extra or Special.