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

Until the advent of Vacheron Constantin Reference 57260 in 2015, Patek Philippe’s Caliber 89 held the record for being the most complicated timepiece in existence; it remains Patek Philippe’s most complicated timepiece. And now Sotheby’s is auctioning it in May 2017.

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