Swiss gold open faced pocket watch with 24-hour dial Circa 1910

Gold pocket watch with a 24-hour dial by Patek Philippe & Co.
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A fine, very rare, large, custom-ordered, Swiss manual wind yellow gold pocket watch with open face, circa 1910.
Gilt movement, calibre 19, lever escapement. Enamel dial with Breguet-style radial hours, outer minutes track, red 24-hour numerals, subsidiary dial for the seconds, and original blued pear hands. Round-shaped 18K yellow gold case, case back engine turned with blue enamel initials. Dial, case (with enamel initials) and movement signed.
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Diameter: 54 mm
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Signed: Patek Philippe & Cie, Genève
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As it was possible at the time, the clients could specify certain details upon ordering their special timepiece. This one was custom-ordered featuring not only his blue enamel initials on the outer case back but also the dial featuring the same design which is rarely seen on Patek Philippe pocket watches.