Patek Philippe's 175th anniversary surprise was the most complicated wristwatch it has ever made: a 47mm rose gold watch with 20 complications and a price tag of SFr 2.5 million.

Patek Philippe's 175th anniversary surprise was the most complicated wristwatch it has ever made: a 47mm rose gold watch with 20 complications and a price tag of SFr 2.5 million.

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