Swiss gold minute repeating keyless dress watch Circa 1929

Gold lever with split-seconds chronograph
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An extremely fine and very rare Swiss, keyless 18 Carat yellow gold, minute repeating dress watch, circa 1929. With split-seconds chronograph and 30-minute register. Accompanied by the Extract from the Archives. Made by Patek, Philippe & Co, Geneva, Switzerland, ebauche by Victorin Piguet. Made in 1929, sold to Tiffany on January 10, 1947. A polished case with concealed hinge, chronograph activated by co axial pushbutton in the crown, split-seconds activated by pushbutton at 10.30, bolt at 11 to lock the chronograph. Hinged gold cuvette.
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Brushed, silver dial with applied yellow gold Breguet numerals, outer minute track and concentric fifths of a second division, Arabic five minute/seconds numerals, subsidiary seconds, 30-minute register. Gold Breguet hands. A rhodium-plated movement, Geneva striping decoration, 40 jewels, adjusted to heat, cold, isochronism and five positions, counterpoised straight-line lever escapement, cut bimetallic compensation balance with gold temperature and meantime adjustment screws, blued steel Breguet balance spring, swan-neck micrometre regulator, repeating on gongs activated by a slide on the band. Case, dial, and movement signed.
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Diameter: 47 mm
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Signed: Patek, Philippe & Co.  Geneva
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This watch comes from one of the most famous series of Patek Philippe watches, most of which, including this one, had Victorin Piguet ebauches.
They were of the highest quality made by Patek Philippe. The most complicated Patek Philippe watch at the time, now known as The Graves Watch. (sold at auction for over $11,000,000.00 in 1999) also comes from this series (No. 198385).
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Victorin Piguet (1850-1937): A legendary maker of complicated ebauches, his ebauches were used by Patek Philippe, Vacheron Constantin, and Breguet, for their special projects. Piguet started in Geneva in 1880, under the name “V. Piguet et Frères”. Three years later, he returned to his native Vallée de Joux.