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[1] [2] [3] The watch was assembled by Vacheron Constantin and introduced in 2015. The company announced that it 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. [4] The Reference 57260 took eight years to assemble.
In 2015, Vacheron Constantin introduced the pocket watch Reference 57260, which currently holds the title of the most complicated mechanical watch ever made, with 57 horological complications. [12] In 2024, Vacheron Constantin unveiled Les Cabinotiers - The Berkley Grand Complication, a pocket watch featuring 63 complications, surpassing the ...
The company claims that it is the most complicated mechanical pocket watch ever created. The Reference 57260 took eight years to assemble, and has 2826 parts and 31 hands. It weighs 957 g (2.11 lb), and spans 98 millimetres (3.9 in).
On 10 July 2014, Sotheby's announced that in November 2014, the pocket watch would once again be auctioned. [21] On 11 November 2014, the watch was sold in Geneva, Switzerland. The final price, bid by Aurel Bacs serving as proxy for an anonymous entity, reached 23,237,000 Swiss francs, equivalent to US$24 million at the time.
With this, a domestic watch could keep time to within a minute a day. Lever watches became common after about 1820, and this type is still used in most mechanical watches. In 1857 the American Watch Company in Waltham, Massachusetts, introduced the Waltham Model 57, the first to use interchangeable parts. This cut the cost of manufacture and ...
Ruby jewel bearings used for a balance wheel in a mechanical watch movement Cross-section of a jewel bearing in a mechanical watch. This type of donut-shaped bearing (red) is called a hole jewel, used for most of the ordinary wheels in the gear train. It is usually made of synthetic sapphire or ruby, press-fit into a hole in the movement's ...