Swiss gold quality Extra ankerchronometer dress watch Circa 1925

Gold open faced dress watch by Patek Philippe
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An extremely rare Patek Philippe dress watch of the quality ankerchronometer Extra, circa 1925. Sold January 14th, 1927.
Polished 18K gold, 2-part special case. Silvered dial with gold indexes for the hours, dots for the minutes, subsidiary dial for the seconds, and gold baton hands. Top quality 19” Ankerchronometer Extra, Geneva striping decoration. Case and movement numbered. This watch is a very rare Patek Philippe collector’s watch, with an extract from the archives.
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Diameter: 48 mm
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Weight: 55 g
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Signed: Patek Philippe Genève
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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.