Audemars Piguet 25594ST Tropical
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Originally intended to be an integrated steel sports watch, the Royal Oak has since become a flagship for Audemars Piguet. The 1990s was a time of innovation and change for the brand leading to sometimes rather interesting creations including the reference 25594, a day, date complication with Moonphase disc at 6, resembling a perpetual calendar at first glance, but entirely set through its screw-down winding crown. Yes, quite the feat. This particular example has developed a lovely brown patina that is very uniform in colour throughout the dial. Accompanied by and Extract from the Archives of Audemars Piguet.