Audemars Piguet Royal Oak Chronograph 26331ST.OO.1220ST.01 – 41mm Stainless Steel “Boutique Blue” Dial

The Audemars Piguet Royal Oak Chronograph 26331ST.OO.1220ST.01 is a modern interpretation of one of the most iconic sports chronographs ever created. This 41mm reference perfectly balances the unmistakable design language of the Royal Oak with refined proportions, an updated dial layout, and robust mechanical performance.

Crafted in stainless steel, maintaining the octagonal bezel secured by exposed white-gold screws, integrated bracelet, and the timeless mix of brushed and polished surfaces.

Bezel: Octagonal with eight exposed screws, polished bevels, and brushed surface finishing

Caseback: Sapphire exhibition caseback showcasing the movement

Bracelet: Integrated stainless steel bracelet with AP folding clasp

The 41mm case size makes it slightly larger than the classic 39mm “Jumbo,” providing modern wrist presence while retaining the proportions that make the Royal Oak instantly recognizable.

Color: “Grande Tapisserie” blue dial (Boutique Edition, exclusive to AP boutiques)

Subdials: Three silvered contrasting chronograph counters (“Panda” layout at 3, 6, and 9 o’clock)

Markers: Applied white-gold hour markers with luminescence

Hands: Royal Oak hands with luminescent coating

Date: Positioned subtly at 4:30

The blue dial with silver subdials creates a striking high-contrast look, often referred to as a “reverse panda” style, enhancing readability and lending a sport-luxury appeal.

Functions: Hours, minutes, small seconds, chronograph, and date