Most Expensive and Complicated

Some of its indicators even include a thermometer, the date of Easter, sidereal time and a star chart with 2,800 stars.Calibre 89 is made of 18 carat gold, which is 75% pure gold. It is valued at $6 million. It took 5 years of research and development, and then additional 4 years of manufacturing.Only four models of Calibre 89 were manufactured: in platinum, white gold, rose gold and yellow gold.Most Expensive Pocket WatchPatek Philippe "Supercomplication"One of the world's most important timepieces, the Henry Graves Supercomplication by Patek Philippe, was sold at Sotheby's in New York City today for a world record $11,002,500 -- the most ever paid for any timepiece anywhere in the world.The 20 most expensive wristwatches sold at auction are all from Patek Philippe & Co.Patek Philippe Calibre 89Patek Philippe SupercomplicationVacheron Constantin Tour d'IleChopardMost Complicated Pocket WatchPatek Philippe Calibre 89The popular Swiss brand Patek Philippe developed Calibre 89, which till nowadays holds the first position among the most complicated pocket watches. It is a gold commemorative watch launched in 1989, thus the name Calibre 89. With its release the company celebrated its 150th birthday.Patek Philippe named its mechanical wonder "the most complicated watch in the world." The timepiece weighs 1.1 kg. The whole watch model is made of not less than 1,728 components that provide 33 functions.