The WatchWorks - The Patek Philippe Caliber 89 is the world's most complicated pocket mechanical watch. Crafted in 1989 and it took five years of research and development and four more to
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Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad
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Patek Philippe's most complicated watch on sale at Sotheby's 'Important Watches' | Time and Watches | The watch blog
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In-Depth: Your Patek Philippe Caliber 89 Now Needs A Service – A Look At Horology's Easter Problem - Hodinkee
![Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad](https://quillandpad.com/wp-content/uploads/2017/03/COO-Antiquorum-William-Rohr-2009.jpg)
Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad
![Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad Patek Philippe Caliber 89, The World's Most Complicated Watch For 26 Years, To Be Auctioned By Sotheby's In May 2017 Important Watches Sale - Quill & Pad](https://quillandpad.com/wp-content/uploads/2017/03/Patek-Philippe-Caliber-89-Antiquorum-catalogue.jpg)