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Audemars Piguet Royal Oak 41 mm 26240ST.OO.1320ST.05 Steel Blue
  • Audemars Piguet Royal Oak 41 mm 26240ST.OO.1320ST.05 Steel Blue
Audemars Piguet Royal Oak 41 mm 26240ST.OO.1320ST.05 Steel Blue

Audemars Piguet Royal Oak 41 mm 26240ST.OO.1320ST.05 Steel Blue

$55,799.00 $59,999.00
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*As with all fine timepieces, prices and availability are subject to market conditions and do not constitute a binding agreement.
SELL OR TRADE THIS WATCH

The Audemars Piguet Royal Oak ref. 26240ST.OO.1320ST.05 is a brand-new 41mm stainless steel luxury sport watch featuring an iconic octagonal bezel and a stunning blue Grande Tapisserie dial. Powered by a certified Swiss automatic movement and fitted with an integrated stainless steel bracelet with AP folding clasp, this reference represents the pinnacle of sports-watch design. It is offered here in unworn, brand-new condition complete with box and papers.

Reference 26240ST.OO.1320ST.05 stands out as one of the most coveted iterations of the modern Royal Oak lineup, combining the unmistakable AP octagonal case architecture with the mesmerizing depth of its blue dial. Bizak & Co. invites discerning collectors and first-time Royal Oak buyers alike to contact us or purchase this exceptional timepiece online today.

Compare it across every Royal Oak reference we carry, or browse the full Audemars Piguet collection at Bizak & Co.

Buy this Royal Oak, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.
Learn More

The Audemars Piguet Royal Oak is widely regarded as one of the most transformative luxury watches ever created. Designed by the legendary Gerald Genta and introduced in 1972, the Royal Oak shattered conventions by presenting a high-end watch in stainless steel with an octagonal bezel secured by eight exposed hexagonal screws — a bold industrial aesthetic that became the blueprint for the entire luxury sport-watch category. Decades later, the Royal Oak remains the definitive statement in haute horlogerie for those who demand both artistry and athleticism on the wrist.

Reference 26240ST.OO.1320ST.05 represents the modern evolution of this storied lineage, housed in a generously proportioned 41mm stainless steel case that wears with commanding presence without sacrificing refinement. The octagonal bezel, polished and brushed in perfect alternation, catches the light from every angle, while the screw-down crown ensures a robust and secure seal. Every surface of the case transitions seamlessly between satin-finished flanks and mirror-polished edges — a finishing duality that remains one of AP's most celebrated manufacturing signatures.

The blue Grande Tapisserie dial is the undisputed soul of this reference. The intricate hobnail pattern, executed with extraordinary precision on the dial surface, creates a three-dimensional, almost textile-like effect that shifts in character as the light changes throughout the day. The applied hour markers and Royal Oak hands are set against this mesmerizing backdrop, delivering exceptional legibility while reinforcing the watch's luxurious character. Blue dials in the Royal Oak family are perennially in demand and consistently command strong collector attention on both the primary and secondary markets.

The watch is driven by a certified Swiss automatic movement, ensuring reliable, precise timekeeping with the engineering heritage Audemars Piguet has refined over more than 150 years at Le Brassus. The integrated stainless steel bracelet, featuring the brand's signature AP folding clasp, flows naturally from the case in a design conceived so that bracelet and case feel like a single unified object on the wrist — a hallmark of the Royal Oak that competitors have spent decades trying to replicate. With a water resistance rating of 50 meters, the 26240ST.OO.1320ST.05 is equally at home at a boardroom dinner or a weekend on the water.

This example is offered in brand-new, unworn condition and is accompanied by its original box and papers, providing full provenance and the assurance of authenticity that serious collectors require. Acquiring a Royal Oak in new-old-stock or brand-new condition with complete documentation is increasingly rare as global demand continues to outpace supply, making this an opportunity well worth acting on promptly.

At Bizak & Co., every timepiece we offer is certified authentic and sourced with the scrutiny that our clientele expects. Whether you are adding the 26240ST.OO.1320ST.05 to an established collection or purchasing your first Audemars Piguet Royal Oak, our team is available to answer every question, facilitate secure shipping, and ensure your buying experience is as refined as the watch itself. Contact us today or buy this Royal Oak online at bizakandco.com.
Technical Details

Reference Number 26240ST.OO.1320ST.05

Model Family Royal Oak

Movement Automatic

Case Material Stainless Steel

Bracelet Material Stainless Steel Integrated Bracelet with AP Folding Clasp

Dial Blue Grande Tapisserie

Case Dimension 41mm

Year 2025

Condition Brand New

Box & Papers Yes

FAQ

1. What makes the Audemars Piguet Royal Oak 26240ST.OO.1320ST.05 special?
Reference 26240ST.OO.1320ST.05 is a modern-generation Royal Oak that combines the watch's original octagonal stainless steel case architecture with a blue Grande Tapisserie dial — one of the most sought-after dial configurations in the entire AP catalog. Its integrated bracelet, alternating polished and brushed finishing, and Swiss automatic movement place it at the summit of the luxury sport-watch genre. The blue dial variant in particular is consistently one of the highest-demand Royal Oak references worldwide.

2. What movement powers the Audemars Piguet Royal Oak 26240ST.OO.1320ST.05?
This Royal Oak is equipped with a certified Swiss automatic movement, reflecting Audemars Piguet's long-standing in-house manufacturing expertise developed over more than a century and a half at Le Brassus, Switzerland. The movement delivers reliable, precise automatic timekeeping and is engineered to the exacting standards expected of a manufacture-level luxury timepiece. Specific caliber designation details are confirmed at point of sale with the accompanying documentation.

3. What is the case size of the Royal Oak ref. 26240ST.OO.1320ST.05?
The case measures 41mm in diameter, making it the larger of the two primary Royal Oak case sizes and ideal for those who prefer a bolder, more contemporary wrist presence. The stainless steel octagonal case features a screw-down crown and the signature eight-screw bezel that has defined the Royal Oak since 1972. The 41mm size strikes an excellent balance between statement-making presence and everyday wearability.

4. Is the Audemars Piguet Royal Oak 26240ST.OO.1320ST.05 suitable for everyday wear?
Yes — the Royal Oak was conceived from the outset as a luxury sport watch designed for active, daily wear, and reference 26240ST.OO.1320ST.05 upholds that tradition fully. Its stainless steel construction, screw-down crown, and 50-meter water resistance make it resilient enough for everyday activities while its extraordinary finishing ensures it is equally appropriate for formal occasions. The integrated bracelet with AP folding clasp provides a secure and comfortable fit throughout the day.

5. What is the dial like on the Royal Oak 26240ST.OO.1320ST.05?
The dial is finished in a rich blue tone adorned with Audemars Piguet's iconic Grande Tapisserie pattern — a precisely machined hobnail motif that gives the dial a three-dimensional, textile-like depth and causes it to shimmer differently as light strikes it from varying angles. Applied hour markers and Royal Oak-style hands in polished steel provide excellent contrast and legibility against the blue ground. This blue Grande Tapisserie combination is among the most celebrated and recognizable dial treatments in fine watchmaking.

6. Is the Audemars Piguet Royal Oak 26240ST.OO.1320ST.05 a good investment, and how can I buy it from Bizak & Co.?
The Royal Oak has demonstrated exceptional long-term value retention and appreciation, and references in new, complete condition with box and papers command a premium in any market environment. This example is certified authentic, brand new, and accompanied by full box and papers, offering both collecting confidence and strong investment fundamentals. You can purchase the 26240ST.OO.1320ST.05 directly online at bizakandco.com or contact the Bizak & Co. team for personalized assistance.

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Bizak & Co. Warranty

Every watch is checked by us before shipping.

5 Years Warranty

Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.

If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.

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90 Day Return Policy

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We take all the risk so you don't have to.

Signature personal delivery service

For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.

Because some pieces deserve more than just shipping—they deserve a handshake.

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