Royal Oak Perpetual Calendar
The 26574ST is among the most technically ambitious expressions of the Royal Oak, housing a perpetual calendar with astronomical moon phase within Gérald Genta's iconic octagonal 41mm stainless steel case. Its silver-toned Grande Tapisserie dial organises four sub-registers — day, date/leap year, month, and moon phase — with characteristic AP legibility and elegance. Introduced in this stainless steel configuration, it represents a rare pairing of haute horlogerie complication with the sport-luxe aesthetic that defines the Royal Oak lineage.
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On this particular example.
The 26574ST is among the most technically ambitious expressions of the Royal Oak, housing a perpetual calendar with astronomical moon phase within Gérald Genta's iconic octagonal 41mm stainless steel case. Its silver-toned Grande Tapisserie dial organises four sub-registers — day, date/leap year, month, and moon phase — with characteristic AP legibility and elegance. Introduced in this stainless steel configuration, it represents a rare pairing of haute horlogerie complication with the sport-luxe aesthetic that defines the Royal Oak lineage.
Audemars Piguet Royal Oak 41mm Perpetual Calendar in stainless steel with silver Grande Tapisserie dial and moon phase — the ultimate expression of Genta's iconic design.



