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Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog

Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog Audemars Piguet Royal Oak Offshore Tourbillon Chronograph…

Reference 26540ST.OO.A070CA.01

Full watch configuration

Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog

$223,199.00 $239,999.00
Requested condition
Brand New
Requested accessories
Full Set

By Audemars Piguet

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog

Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog

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Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding 44 mm 26540ST.OO.A070CA.01 Steel Analog

Catalogue watch price: $223,199.00 USD

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The Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding, reference 26540ST.OO.A070CA.01, is a brand-new 44mm stainless steel sport-luxury watch combining a flying tourbillon, chronograph complication, and the Offshore's signature bold architecture in a single striking package. Its octagonal stainless steel case houses a vivid orange dial with index markers and is fitted with a screw-down crown for added security, all presented on a stainless steel bracelet.

What sets reference 26540ST.OO.A070CA.01 apart is the rare union of a self-winding tourbillon movement with a chronograph function inside the Royal Oak Offshore's iconic oversized case—a combination that represents the apex of Audemars Piguet's horological ambition. Contact Bizak & Co. today to secure this certified authentic timepiece or to learn more about acquiring this extraordinary watch online.

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

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The Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding, reference 26540ST.OO.A070CA.01, occupies the absolute pinnacle of the Royal Oak Offshore family—a line that has defined bold, luxury sport watchmaking since its debut in 1993. Building on the design language established by the original Royal Oak in 1972, the Offshore amplified every dimension and attitude, and the Tourbillon Chronograph variant pushes that philosophy further still by layering two of watchmaking's most technically demanding complications into a single integrated package. For collectors seeking the definitive expression of Audemars Piguet's craft, this reference is a natural destination.

The 44mm stainless steel case is instantly recognizable as pure Royal Oak Offshore DNA: the signature octagonal bezel, polished and brushed finishing in meticulous alternation, a screw-down crown, and the massive yet ergonomic lug construction that makes the watch wear with authority on the wrist. Stainless steel was chosen here as the foundation material, delivering exceptional durability and a cool, high-contrast backdrop that allows every architectural detail to read with precision. The octagonal bezel echoes the original Royal Oak's iconic shape while scaling it to the Offshore's more assertive proportions.

At the heart of the dial is a commanding orange colorway—a color long associated with Audemars Piguet's sportiest and most adventurous references. Orange dials in the Royal Oak Offshore family have become collector touchstones, sought after for their visual energy and their refusal to be understated. Index dial markers are applied with luminous material, ensuring legibility in low-light conditions and reinforcing the watch's tool-watch credibility despite its haute horlogerie status. The interplay between the dial architecture, the sub-registers, and the tourbillon aperture creates a face that rewards extended study.

Powering reference 26540ST.OO.A070CA.01 is Audemars Piguet's self-winding automatic movement, a remarkable achievement that renders the tourbillon—a complication historically associated with manually wound movements—fully autonomous through rotor winding. Pairing this with an integrated chronograph function demonstrates Audemars Piguet's mastery of movement architecture, as managing the energy demands of both a tourbillon cage and a chronograph mechanism simultaneously requires exceptional engineering refinement. The result is a watch that is as technically honest as it is visually dramatic.

On the wrist, the 26540ST.OO.A070CA.01 makes an unmistakable statement. The 44mm diameter commands presence without sacrificing comfort, and the stainless steel bracelet—engineered with the same attention to finish as the case—ensures a secure, tailored fit. This is a watch designed for the collector who wants nothing held back: maximum complication, maximum design impact, and the full weight of Audemars Piguet's legacy in a single reference. Luminous treatment on the hands and markers means it transitions effortlessly from a boardroom to an evening event to an outdoor adventure.

Bizak & Co. is proud to offer this certified authentic, brand-new Audemars Piguet Royal Oak Offshore Tourbillon Chronograph Selfwinding, reference 26540ST.OO.A070CA.01, for sale online. Acquiring a tourbillon chronograph of this caliber from a trusted dealer is a decision that deserves the confidence that only certified authenticity can provide. Whether you are expanding a serious collection or purchasing your first grand complication, our team is ready to guide you through the process—contact Bizak & Co. today and let us help you secure one of the most coveted watches in contemporary horology.

Technical Details
Reference
26540ST.OO.A070CA.01
Model
Royal Oak Offshore Tourbillon Chronograph
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Orange with index markers
Case size
44mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph ref. 26540ST.OO.A070CA.01 special?
Reference 26540ST.OO.A070CA.01 combines a self-winding tourbillon with a chronograph complication inside the Royal Oak Offshore's iconic 44mm stainless steel case—a pairing that represents the summit of Audemars Piguet's technical and design ambitions. The vivid orange dial and octagonal architecture make it one of the most visually distinctive grand-complication watches available. It is a true collector's piece that commands attention both as a horological achievement and as a design icon.

2. What movement powers the Royal Oak Offshore Tourbillon Chronograph 26540ST.OO.A070CA.01?
This watch is powered by an Audemars Piguet self-winding automatic movement that drives both the tourbillon regulator and the chronograph function. The self-winding architecture is a notable achievement, as tourbillons are traditionally found in manually wound calibers, and combining rotor winding with a chronograph mechanism reflects sophisticated engineering. Specific caliber designation and power reserve are best confirmed directly with Bizak & Co. at the time of purchase.

3. What is the case size of the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph?
The reference 26540ST.OO.A070CA.01 features a 44mm stainless steel octagonal case, which is the signature proportion of the Royal Oak Offshore line. The case is paired with a stainless steel bracelet and secured with a screw-down crown for robustness. This size delivers a strong wrist presence that is central to the Offshore's bold identity.

4. Is the Royal Oak Offshore Tourbillon Chronograph suitable for everyday wear?
The Royal Oak Offshore was designed as a high-performance sport-luxury watch, and its stainless steel construction, screw-down crown, and luminous dial markers reflect genuine durability and practicality. However, as a grand complication with a tourbillon, many collectors choose to reserve it for significant occasions rather than daily use, to preserve its condition and value. Bizak & Co. can advise on care and servicing to keep this timepiece performing at its best.

5. What dial color and material does the 26540ST.OO.A070CA.01 feature?
This reference is fitted with a striking orange dial accented by index dial markers with luminous treatment, making it one of the most recognizable color configurations in the Royal Oak Offshore family. The stainless steel case and octagonal bezel provide a cool, polished contrast to the warm, energetic dial. Orange-dial Royal Oak Offshore references have historically been among the most sought-after by collectors worldwide.

6. How can I buy the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 26540ST online from Bizak & Co.?
You can purchase reference 26540ST.OO.A070CA.01 directly through bizakandco.com, where it is listed as a certified authentic brand-new timepiece. Our team at Bizak & Co. is available to answer any questions, assist with secure payment options, and arrange delivery of this exceptional Audemars Piguet. Contact us today to begin the acquisition process and invest in one of the most compelling grand-complication sport watches available on the market.

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90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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