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Key Takeaways:
• Phillips will auction an exceptionally rare 18k yellow gold Patek Philippe Ref. 2523 with a South America cloisonné enamel dial, estimated to exceed CHF 5,000,000.
• This specific timepiece is one of only two known examples in yellow gold with this map and has not appeared at public auction in nearly four decades.
• Manufactured in 1953, the watch is a significant piece of horological history, featuring a complex two-crown world-time system and artisanal cloisonné craftsmanship.
(GENEVA) – Phillips in Association with Bacs & Russo is honored to announce the offering of one of the most visually captivating and historically significant wristwatches ever made: an 18k yellow gold Patek Philippe Ref. 2523 two-crown world-time wristwatch with polychrome cloisonné enamel dial depicting a map of South America.
Made in 1953, the present watch is one of only two examples known in 18k yellow gold with the South America map and the only one ever to previously appear at public auction. It will be offered as Lot 27 in the Phillips Geneva Watch Auction: XXIII this May with an estimate in excess of CHF 5,000,000.
Since the earliest days of organized watch collecting in the 1980s, a small group of references has consistently stood at the very summit of the field. Within this rarefied group, Patek Philippe’s cloisonné enamel world-time Ref. 2523 ranks among the most coveted trophies a collector can hope to acquire.
“The Patek Philippe World-Time Ref. 2523 with South America cloisonné dial is one of the great treasures of vintage watchmaking,” said Aurel Bacs, Senior Consultant, and Alexandre Ghotbi, Head of Watches, Europe and Middle East, Phillips in Association with Bacs & Russo. “Its appearance at auction is an event that collectors may witness only once in a generation. With just two examples known in yellow gold and none having appeared at auction in nearly four decades, this watch represents an extraordinary moment for the vintage Patek Philippe market.”
Produced beginning in 1953, the Ref. 2523 represents the second generation of Patek Philippe’s serially produced world-time wristwatches, following the earlier Ref. 1415. The model introduced a larger and more assertive 36mm case and, most notably, a second crown positioned at nine o’clock used to rotate the city ring within the dial. This system, developed from the pioneering world-time mechanism conceived by the Geneva watchmaker Louis Cottier in 1931, allowed the wearer to read the time across all major world cities at a glance.
While the mechanical ingenuity of the system was impressive, it is the aesthetic brilliance of the cloisonné enamel dial that elevates the present watch into the realm of horological art. At the center of the dial, an exquisitely rendered map of South America appears in vivid polychrome enamel. The cloisonné technique involves carefully shaping delicate gold wires to outline the design before filling each compartment with colored enamel. The dial is then repeatedly fired in a kiln until the enamel fuses into a luminous, glass-like surface.
The resulting effect is breathtaking. Vintage cloisonné enamel dials possess a depth, gloss, and richness that modern examples rarely equal, due in part to the historical enamel compounds and artisanal techniques employed during the mid-20th century. In the case of the South America map, the composition also allows for charming decorative flourishes not seen on the other known cloisonné variants. A stylized ship sails across the Pacific to the west of the continent, while a fish or whale appears amid the waves of the Atlantic to the east, lending the dial an almost playful sense of movement and narrative.
The Ref. 2523 was produced in extremely limited numbers. Scholarship suggests that between 29 and 36 examples were manufactured in total across all dial variations and metals. Within this already tiny population, cloisonné enamel dials represent the most visually striking and desirable variants. Three map designs are known: Eurasia, North America, and South America. Of these, the South America dial is believed to be the rarest, with only two examples publicly known in yellow gold. The present watch holds an especially distinguished place within that lineage.
According to an Extract from the Archives issued by Patek Philippe on 4 March 2026, the watch was manufactured in 1953 with an “enamel dial, South America” and applied yellow gold hour markers before being sold on 3 February 1958.
This particular example was last seen publicly in October 1988 at an auction in New York. Preserved in remarkable condition, the watch displays a crisp case and a flawless enamel dial whose vibrant colors and fine details remain beautifully preserved.
Few watches so perfectly unite technical innovation, artistic craftsmanship, and historical importance. The cloisonné enamel Ref. 2523 stands among the most coveted wristwatches in the history of Patek Philippe. The return of the South America example to the auction stage after nearly four decades marks an extraordinary moment for collectors of vintage Patek Philippe.
The Patek Philippe World-Time Ref. 2523 with “South America” dial will be offered at the Phillips Geneva Watch Auction: XXIII, on 9–10 May 2026.
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