Audemars Piguet Royal Oak Perpetual Calendar 26574ST | Blue Dial

Where Audacious Design Meets Mechanical Genius

Audemars Piguet’s mastery of high complications finds its most charismatic stage in the Royal Oak. Here, the perpetual calendar—one of watchmaking’s most poetic mechanisms—inhabits the bold octagonal architecture with effortless grace, fusing muscular modernity with classical finesse.

The Specifications of a Technical Tour de Force

• Reference Number: 26574ST.OO.1220ST.03 (26574ST)
• Complication: Perpetual Calendar with day, date, month, leap year, week-of-the-year indication, and astronomical moonphase
• Ultra-Thin Calibre: Audemars Piguet self-winding Calibre 5134 with 22-carat gold rotor and haute horlogerie finishing
• Case Material and Dimensions: Stainless steel, 41 mm; signature octagonal bezel with eight white-gold hexagonal screws; integrated stainless-steel bracelet
• The ‘Tapisserie’ Dial: Deep blue “Grande Tapisserie” ground with refined sub-dials and luminous white-gold hands and hour markers

Housing an ultra-thin perpetual calendar within the Royal Oak’s assertive steel chassis is pure audacity—heritage complication, modern armor. It’s a seamless dialogue between past and future, resolved on the wrist with thrilling precision.

A Technical and Aesthetic Tour de Force

This is the Royal Oak at full power—iconic design energized by uncompromising horological substance. A sculpture of steel and light that thinks centuries ahead, it rewards the discerning eye with depth, detail, and enduring relevance.

This Watch is Ideal For…

• The serious collector who demands high complications in an unmistakably modern icon
• The connoisseur seeking the pinnacle of the Royal Oak family
• The visionary patron who values ultra-thin engineering wrapped in audacious design