Audemars Piguet Royal Oak Perpetual Calendar 26585XT ‘150th Anniversary’ Titanium Sapphire Dial Limited Edition Of 150
The Audemars Piguet Royal Oak Perpetual Calendar 26585XT “150th Anniversary” it feels like a real masterpiece of horological engineering, made in ultra light titanium with this mesmerizing sapphire dial and honestly it just pulls you in. It’s limited, just 150 pieces, so the whole thing becomes a kind of anniversary artifact, celebrating 150 years of Audemars Piguet’s legacy with a blend of technical brilliance and a more avant garde design language.
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The beautifully finished 41mm titanium case offers outstanding durability, exceptional comfort, and a feather-light feel on the wrist, while the signature integrated titanium bracelet preserves the unmistakable Royal Oak silhouette. The transparent sapphire openworked dial reveals the sophisticated perpetual calendar indications, including the day, date, month, leap year indicator, and astronomical moon phase, allowing collectors to admire the remarkable complexity of the movement from the front of the watch. Finished with the iconic octagonal bezel featuring satin-brushed and polished surfaces, every detail of the Audemars Piguet Royal Oak Perpetual Calendar Openworked reflects the Maison’s unrivaled expertise in skeletonization, hand-finishing, and luxury Swiss watchmaking.
Powering the Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary is the exceptional in-house Calibre 5135 automatic movement, renowned for its sophisticated perpetual calendar mechanism, remarkable precision, and exquisite hand-finishing. Visible through both the openworked dial and sapphire crystal case back, the movement exemplifies the highest standards of Swiss haute horlogerie and Audemars Piguet’s dedication to mechanical excellence. Whether you are searching for an Audemars Piguet Royal Oak Perpetual Calendar, 150th Anniversary Audemars Piguet, Openworked Royal Oak, titanium Royal Oak 41MM, luxury Swiss perpetual calendar watch, investment-grade Audemars Piguet, or a rare collector’s timepiece, this extraordinary model stands as the ultimate expression of innovation, exclusivity, heritage, and contemporary luxury watchmaking.
Available At Shk Watches!
| Brand Name | Audemars Piguet |
| Model Family | Royal Oak Perpetual Calendar |
| Movement | Automatic Caliber 5135 |
| Case Material | Titanium |
| Bracelet Material | Titanium |
| Case Dimension | 41mm |
| Box & Papers | Full Set |
| Gender | Men’s Watch/Unisex |
| Price | USD 686,000 |
| Availability | At Shk Watches |
100% Authenticity Guarantee
All watches sold by SHK Watches 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.
100% Authenticity Guarantee
All watches sold by SHK Watches 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.
International Shipping
New and pre-owned watches purchased from SHK Watches are eligible for international shipping, subject to destination specific regulations and courier availability. All international orders are shipped via trusted and insured logistics partners to ensure secure and timely delivery.
Shipping timelines, duties, customs fees, and import taxes vary by country and are the sole responsibility of the buyer. SHK Watches does not have control over customs clearance delays or additional charges imposed by local authorities.
International Shipping
New and pre-owned watches purchased from SHK Watches are eligible for International shipping, subject to destination specific regulations and courier availability. All international orders are shipped via trusted and insured logistics partners to ensure secure and timely delivery.
Shipping timelines, duties, customs fees, and import taxes vary by country and are the sole responsibility of the buyer. SHK Watches does not have control over customs clearance delays or additional charges imposed by local authorities.
Concierge Service
SHK Watches is dedicated to offering the highest level of service available. Owning your next timepiece begins with a simple inquiry via boutique visit, call, text, email, or even Instagram message. From there, one of our concierges will guide you through the process of selecting your next timepiece.
Obtaining the unobtainable has never been so easy.
Concierge Service
SHK Watches is dedicated to offering the highest level of service available. Owning your next timepiece begins with a simple inquiry via boutique visit, call, text, email, or even Instagram message. From there, one of our concierges will guide you through the process of selecting your next timepiece.
Obtaining the unobtainable has never been so easy.
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Jonathan Sterling
I was hesitant to buy a Rolex online, but the team at SHK Watches made the process completely stress-free. The watch arrived in mint condition with all the original box and papers. It was exactly as described on the site. Truly professional service and 100% authentic.
Alexander Thorne
Sourcing a Patek Philippe in such pristine condition is rare. SHK Watches delivered exactly what they promised. The transaction was smooth, and the shipping to London was incredibly fast and secure. A fantastic addition to my collection.
Rashid Al-Fayed
Great experience buying my Audemars Piguet. The pricing was very competitive compared to local dealers here in Dubai. The only reason for 4 stars is a slight delay in shipping updates, but the watch itself is flawless and stunning. Will definitely buy again.
Maximillian Weber
Buying a Richard Mille is a significant investment, so trust is key. SHK Watches provided full transparency, including a video call to view the timepiece before purchase. It arrived in Berlin safely. The attention to detail and customer care is world-class.
Sarah Jenkins
I purchased a pre-owned Cartier as a gift, and it looks brand new. The polishing and servicing were done perfectly. Shipping to Australia took about a week, which is reasonable. I appreciate the honest description of the watch condition on the website.
Daniel Tremblay
Fantastic service! I’ve been looking for this specific Omega for a while. SHK had the best price and the watch runs perfectly. The packaging was secure, and communication was prompt throughout the entire process. Highly recommended dealer.


















































