Audemars Piguet Royal Oak 26684ST.OO.1356ST.01 Perpetual Calendar Stainless Steel Light Blue Dial

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The Audemars Piguet Royal Oak Perpetual Calendar 26684ST.OO.1356ST.01 matters because it delivers one of Audemars Piguet’s most complex calendar watches in a form that still feels sporty, modern, and wearable. The 26684ST pairs the iconic stainless steel Royal Oak case with a light blue dial that instantly sets it apart from traditional perpetual calendars, giving the watch a fresher, more contemporary personality while staying true to the Royal Oak’s design DNA.

The dial is laid out in a way that feels intuitive rather than overwhelming, with the calendar information clearly separated and easy to read at a glance. The light blue tone works especially well against the stainless steel case and bracelet, making the watch feel lighter and more relaxed than most high-complication pieces. 

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The Audemars Piguet Royal Oak Perpetual Calendar Ref. 26684ST.OO.1356ST.01 represents a modern evolution of one of the most important high-complication sports watches ever created. Crafted in stainless steel, this reference retains the unmistakable Royal Oak architecture—octagonal bezel with exposed screws, sharp case lines, and an integrated bracelet—while pairing it with a lighter, more contemporary aesthetic. The steel construction gives the watch a versatile, wearable character, reinforcing the idea that a perpetual calendar can function as an everyday sports watch rather than a purely formal complication.

The light blue dial is the defining feature of this reference and sets it apart immediately within the Royal Oak perpetual calendar lineage. Finished with the signature “Grande Tapisserie” pattern, the dial has depth and texture while maintaining excellent legibility. The perpetual calendar displays are arranged in a balanced, intuitive layout, showing day, date, month, leap year, and moon phase without visual clutter. The pale blue tone softens the technical complexity of the dial, giving the watch a fresh, modern presence that feels distinctly contemporary within Audemars Piguet’s catalog.

Completed by the integrated stainless-steel bracelet, the 26684ST wears with exceptional comfort and cohesion, flowing seamlessly from case to wrist. Despite its complex calendar display, the watch remains slim and balanced, preserving the Royal Oak’s reputation for blending engineering with wearability.

Reference Number
26684ST.OO.1356ST.01
Model Family
Royal Oak
Movement
Automatic
Case Material
Stainless Steel
Bracelet Material
Stainless Steel
Dial
Light Blue
Case Dimension
38mm
Year
Condition
Box & Papers
Original Box, Original Papers

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All watches sold by Wrist Aficionado are guaranteed to be 100% authentic. We are not an authorized retailer. We hand select only the most desirable pieces from a network of trusted vendors and clients who deal directly with the original manufacturers and retail boutiques. On top of this, every watch that we offer goes through a meticulous authentication process by a highly-trained watchmaker to ensure that it is in proper working order and uses all original parts that match the serial number on the original documentation.

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New and pre-owned watches purchased from Wrist Aficionado are covered by either our complimentary 1 year warranty or the remainder of the original manufacturer warranty on the watch. Our warranty covers manufacturing defects that impact the mechanical function of the watch. We do NOT cover cosmetic defects, normal wear and tear, loss, theft, or damage as a result of misuse, water damage, etc. Any third party service or modification completed after purchase will render this warranty null and void. Eligibility to process a warranty claim is determined at our sole discretion. Due to the nature of vintage watches and availability of parts, we cannot offer our warranty for vintage pieces.

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