Lesson plan
Reference 57260
The Reference 57260 is a single highly complicated mechanical pocket watch introduced by Vacheron Constantin in 2015. Displaying the Gregorian, Judaic, and lunar calendars featuring 57 complications, it has been called "the Most Complicated Watch in the World" by Hodinkee. Vacheron Constantin announced that Reference 57260 was the most complicated mechanical pocket watch ever created at the time, succeeding the Patek Philippe Calibre 89, assembled in 1989 and featuring 33 complications. The Reference 57260 took eight years to assemble. The watch has 2,826 parts and 31 hands, weighs and has a diameter of . The Reference 57260 is one of Vacheron Constantin's tailor-made pocket watches with grand complications. Members of the lineage include James W. Packard's minute repeating pocket watch (1918), which was auctioned for US$1.763 million by Christie's in New York on 15 June 2011, and King Fuad I's pocket watch No. 402833 (1929), which ranks among some of the most expensive watches sold at auction, fetching US$2.77 million (3,306,250 CHF) in Geneva on April 3, 2005. In addition, in 1946 Vacheron Constantin made a customized pocket watch for King Farouk of Egypt, the successor of King Fuad I, and in 1948 the company tailored another pocket watch for Count Guy de Boisrouvray of France.
Article summary
The Reference 57260 is a single highly complicated mechanical pocket watch introduced by Vacheron Constantin in 2015. Displaying the Gregorian, Judaic, and lunar calendars featuring 57 complications, it has been called "the Most Complicated Watch in the World" by Hodinkee. Vacheron Constantin announced that Reference 57260 was the most complicated mechanical pocket watch ever created at the time, succeeding the Patek Philippe Calibre 89, assembled in 1989 and featuring 33 complications. The Reference 57260 took eight years to assemble. The watch has 2,826 parts and 31 hands, weighs and has a diameter of . The Reference 57260 is one of Vacheron Constantin's tailor-made pocket watches with grand complications. Members of the lineage include James W. Packard's minute repeating pocket watch (1918), which was auctioned for US$1.763 million by Christie's in New York on 15 June 2011, and King Fuad I's pocket watch No. 402833 (1929), which ranks among some of the most expensive watches sold at auction, fetching US$2.77 million (3,306,250 CHF) in Geneva on April 3, 2005. In addition, in 1946 Vacheron Constantin made a customized pocket watch for King Farouk of Egypt, the successor of King Fuad I, and in 1948 the company tailored another pocket watch for Count Guy de Boisrouvray of France.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.