Patek Philippe Advanced Research Minute Repeater Ref. 5750
Patek Philippe presents a state-of-the-art Minute Repeater watch developed by its “Advanced Research” department. For this new acoustic complication watch, Patek Philippe “Advanced Research” has developed a totally new all-mechanical sound amplifying system. This fortissimo “ff” module consists of a flexibly suspended sound lever and an oscillating wafer made of
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