Unique Swiss gold pocket watch with 24 hour indicator Circa 1900

Gold open faced pocket watch with diamonds, ruby and emeralds by Patek Philippe
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A very fine, unique and important 18 Carat pink gold, with diamonds, ruby and emeralds, gold keyless pocket watch with a special 24 hours dial specially made on request for Mister Tomas Santos De Lamadrid to celebrate the 20th century, circa 1900.
Smooth 18 Carat pink gold case, back with gem set monogram E.S.L (gemstones provided by the client). Enamel dial with Arabic 24 hours, outer minutes track, subsidiary dial for the seconds, and blued spade hands. Frosted gilt movement with precision regulating device for fast and slow using an eccentric snail.
Case, dial and movement signed, and with an extract from the archives.
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Diameter: 49 mm
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Signed: Patek Philippe