Why is an hour divided into 60 minutes? The mathematical legacy of Mesopotamia
A millennia-old convention with precise mathematical roots The division of the hour into 60 minutes, and then the minute into 60 seconds, is not the result of an arbitrary choice. It stems from an arithmetic logic developed in ancient Mesopotamia, subsequently transmitted to the Greeks, and then to modern Europe. Understanding this chain of transmission […]
The risqué watch: a history of erotic automata in watchmaking
A luxury object with a dual purpose Erotic automaton watches, sometimes called “risqué watches” or secret watches, form a category of their own in the history of watchmaking. Born in 18th-century France, they combine precision mechanics with licentious depictions, intended for an aristocratic or royal clientele. Their history intersects with that of grand watchmaking complications […]
Watch designers who have transformed watchmaking since the 2000s
A revival driven by independent creators Since the early 2000s, high-end watchmaking has undergone a profound reshaping of its creative landscape. In the face of the major historic houses, a generation of independent designers and watchmakers has imposed new aesthetic, technical, and commercial logics. These players share a common point: they have redefined what a […]
Patek Philippe ref. 2499 first series: the rarest chapter of a 34-year legend
A perpetual calendar chronograph that defined a collecting era The Patek Philippe ref. 2499 is one of the most studied and sought-after wristwatches ever made. Produced from 1951 to 1985 in only 349 examples across all metals and series, it remains the benchmark against which collectors measure every perpetual calendar chronograph. The first series — […]
Audemars Piguet ‘Coussin Tortue’ platinum monopusher chronograph sells for CHF 2,134,000 at Christie’s Geneva
A record result for one of AP’s rarest surviving watches Following the whirlwind partnership between AP and Swatch last weekend let’s focus on what truly defines the brand’s DNA. On 12 May 2026, Christie’s Geneva sold a platinum cushion-shaped single-button chronograph by Audemars Piguet — one of the first three wrist chronographs the manufacture ever produced […]
Royal Pop: Audemars Piguet and Swatch launch a bioceramic pocket watch
Two Swiss icons, a unique horological object Announced in Biel in May 2026, the Royal Pop is the result of a collaboration between Audemars Piguet, a manufacture founded in 1875 in Le Brassus, and Swatch, the watchmaking group responsible for democratizing “Swiss Made” and reviving the mechanical watch in the 1980s. The collection consists of […]
F.P. Journe Souscription Résonance No. 18 sells for CHF 4,875,500 at Phillips Geneva
A new auction record for the Souscription Résonance series At Phillips Geneva on May 9–10, 2026, lot 6 — the F.P. Journe Chronomètre à Résonance “Souscription No. 18” — sold for CHF 4,875,500 all-in, against a pre-sale estimate of CHF 450,000–900,000. The result sets a new auction record for any watch in the Souscription Résonance […]
The Agassiz world time for Charles de Gaulle: lot 24 at Phillips Geneva, May 2026
Four watches made for four victors At the Phillips Geneva Watch Auction on 9 and 10 May 2026, lot 24 is an Agassiz pocket watch with a polychrome cloisonné enamel world time dial depicting Joan of Arc, dedicated on the caseback to General Charles de Gaulle and dated 1939–1945. It is one of four unique […]
John Jacob Astor IV’s Patek Philippe pocket watch sells for over $1 million at Freeman’s
A record sale in the United States in April 2026 Freeman’s sold, on April 22, 2026, in Chicago, the Patek Philippe for Tiffany & Co. pocket watch found on John Jacob Astor IV’s body after the sinking of the RMS Titanic in 1912. The final price exceeded $1 million, setting a record for a U.S.-based […]
The Cartier Crash sets a new world record at Sotheby’s Hong Kong, 24 April 2026
A record result for the rarest Cartier shape At Sotheby’s “Important Watches” sale in Hong Kong on 24 April 2026, a 1987 Cartier Crash — one of only three made — sold for HK$15,616,000, establishing a new world auction record for the reference. The result is the latest step in a price trajectory that has […]
The end of the Rolex GMT-Master II “Pepsi”: a historic decision
Rolex announced at this 2026 edition of Watches & Wonders the end of the GMT-Master II “Pepsi”, its iconic reference with a red-and-blue two-tone bezel. This decision brings to a close a lineage spanning more than seven decades and representing one of the most continuous threads in the brand’s history. A reference born in 1954 […]
Watches & Wonders: History and Evolution of the World’s Leading Watch Fair
Watches & Wonders is now the dominant annual showcase for fine watchmaking, bringing together the industry’s major houses in Geneva every spring. Understanding how the event reached its current form requires tracing a genealogy that spans over six decades, through changes in format, transfers of ownership, and a fundamental repositioning regarding the actual target audience. […]
Geoffroy Ader, founder of Aderbot
Geoffroy Ader is a renowned figure in the art and collectibles market, whose professional trajectory combines auction house expertise with technological innovation applied to valuation.
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BEYER Chronométrie: Official Patek Philippe Retailer in Zurich
A Zurich Institution with Authorized Retailer Status BEYER Chronométrie is one of Europe’s premier destinations for acquiring Patek Philippe watches through official channels. Based in Zurich, this horological house is among the Geneva manufacture’s authorized dealers (authorized dealers), granting it direct access to new collections and official after-sales services. At the end of 2026, the […]
Patek Philippe Ref. 3940: The 1985 Beyer Zurich Special Edition
A limited series of 25 pieces for a historic retailer The Patek Philippe reference 3940 is one of the most important perpetual calendar watches of the late 20th century. In 1985, the House of Beyer in Zurich—one of Europe’s oldest watch retailers, founded in 1760—commissioned a limited series of 25 pieces to mark an event […]
The World of Automata and Singing Birds
The world of horological automata represents one of the pinnacles of Swiss mechanical art, with singing birds as iconic figures. From Pierre Jaquet-Droz to the Rochat brothers, these animated mechanical creations bear witness to exceptional technical ingenuity and artistic craftsmanship that continues to influence contemporary watchmaking. The Origins of Jaquet-Droz Automata Pierre Jaquet-Droz, an 18th-century […]
Omega: An Almost Century-Old Olympic Partnership
For nearly a century, Omega has held a privileged position in the world of sports timekeeping. The Swiss brand became the official timekeeper of the Olympic Games in 1932 and has since continuously revolutionized the measurement of time in competition. This historic collaboration illustrates the parallel evolution of horological precision and athletic performance. The Dawn […]
Antide Janvier, Master Watchmaker of the Age of Enlightenment
Antide Janvier (1751-1835) is counted among the most brilliant watchmakers who worked during the reign of Louis XVI. Renowned for his astronomical clocks of remarkable complexity, he left his mark on French watchmaking through his technical mastery and scientific vision. His career exemplifies French watchmaking excellence at a time when Paris rivaled London and Geneva. […]
The Chronomètre à Résonance, a masterpiece by François-Paul Journe
François-Paul Journe has established himself as one of the most influential contemporary master watchmakers, notably thanks to his iconic creation: the Chronomètre à Résonance. This watch, which has become synonymous with its creator’s genius, represents one of the most ingenious and recognized horological complications of our time. An Ancient Horological Principle Reinvented The phenomenon of […]
The invention of the Oyster case: Hans Wilsdorf’s waterproof revolution
In 1926, Hans Wilsdorf, founder of Rolex, revolutionized watchmaking by creating the world’s first truly waterproof case. Named “Oyster” (oyster), this innovative system transformed the wristwatch from a fragile accessory into a reliable instrument capable of withstanding the elements. This major technical advance laid the foundation for Rolex’s reputation for excellence. The origins of an […]
The Quest for Precision at Sea: The History of the Marine Chronometer
The marine chronometer represents one of the most crucial technological advancements in the history of navigation. Born from a vital need to determine longitude at sea, this precision instrument revolutionized maritime travel in the 18th century. Its development engaged the greatest minds of the era and forever changed our relationship with navigation. The Longitude Problem […]
Breguet’s Invention of the Tourbillon: A Horological Revolution
The tourbillon, this fascinating horological complication, originated in 1795 in the mind of Abraham-Louis Breguet, who patented it in 1801. This revolutionary invention aimed to counteract the effects of gravity on the precision of pocket watches, a major technical challenge at the time. Even today, the tourbillon represents one of the pinnacles of horological art, […]
The fabulous story of Queen Marie-Antoinette’s Breguet No. 160 watch
A horological masterpiece born from a secret passion The Breguet No. 160 watch, nicknamed “Marie-Antoinette,” represents one of the pinnacles of global watchmaking art. Commissioned around 1783 by a secret admirer of the queen, likely the Swedish Count Hans Axel von Fersen, this extraordinary piece was intended to embody its patron’s eternal love for the […]
The history of calendars and their applications in watchmaking
The evolution of time-measuring systems The history of calendars reflects humanity’s millennia-long quest to measure and organize time. Long before the invention of mechanical watches, ancient civilizations already observed celestial cycles to create dating systems. These ancestral calendars gradually evolved into the sophisticated horological complications we know today, offering modern watches the ability to track […]
George Daniels and his influence on independent watchmaking
George Daniels (1926-2011) represents a revolutionary figure in the modern watchmaking world. Considered the greatest watchmaker of the 20th century, this self-taught British craftsman transformed the approach to watch manufacturing and inspired an entire generation of independent creators. His technical and philosophical legacy continues to profoundly influence contemporary watchmaking, particularly through his Co-Axial escapement and […]