Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked 41 Ceramic

Reference 26585CE.OO.1225CE.01

About this watch

Welcome to the world of luxury horology! Today, we're going to unpack the stunning Audemars Piguet Royal Oak Perpetual Calendar Openworked 41 Ceramic, model number 26585CE.OO.1225CE.01. This watch isn't just a timepiece; it's a statement. So, grab your favorite beverage, get comfy, and let's explore this piece of art in detail. Before diving into the specifics of the watch, let's take a moment to appreciate the brand behind it. Founded in 1875, Audemars Piguet is one of the oldest Swiss watch manufacturers still in operation. Known for its innovative designs and mechanical prowess, the brand has consistently pushed boundaries in the watchmaking world. The Royal Oak line, introduced in 1972, revolutionized luxury sports watches and has since become an icon. Now, let's get into the specifics of the Royal Oak Perpetual Calendar Openworked 41 Ceramic. This timepiece combines classic elegance with modern engineering, making it a unique addition to any watch collector's arsenal. With a blend of titanium and ceramic, this watch is as durable as it is visually striking. The first thing that catches your eye is the skeletonized dial. It’s not just a design choice; it’s a peek into the intricate mechanics that power this masterpiece. The watch features a stunning skeletonized movement that showcases the inner workings, a hallmark of high-end watchmaking. Constructed from high-tech ceramic and titanium, the Royal Oak Perpetual Calendar Openworked is as robust as it is beautiful. The ceramic provides scratch resistance, while titanium keeps the watch lightweight. This combination ensures that you can wear it daily without worrying about wear and tear. The color palette is primarily a sleek skeleton finish, which adds a modern touch to its overall appearance. The stick and dot indexes contribute to a clean, minimalist look that is easy to read at a glance. It’s a watch that can easily transition from a formal event to a casual outing, making it incredibly versatile. Let's talk about the engine that powers this beauty—the Audemars Piguet caliber AP 5135. This automatic movement is based on the extra-thin AP 5134, featuring a suspended barrel. But what does this mean for you as a wearer? It means precision and reliability. When it comes to functionality, the Royal Oak Perpetual Calendar Openworked does not disappoint. With a water resistance of 20 meters, it's perfect for everyday wear, though I wouldn’t recommend diving in the ocean with it. However, light splashes and rain should pose no problem! The AP 5135 movement has a power reserve of 40 hours, ensuring that you won't have to wind it every day. Its frequency of 19,800 vibrations per hour contributes to its accuracy, ensuring that you’re always on time. Who doesn’t love being fashionably late—except when it comes to your watch? With a luxury watch like this, the question of value always arises. Priced at a premium, the Audemars Piguet Royal Oak Perpetual Calendar Openworked is not for the faint of heart. However, when considering the craftsmanship, brand heritage, and unique features, many collectors would argue that it’s worth every penny. Luxury watches tend to hold their value well, and Audemars Piguet is no exception. The limited availability and high demand for models like the Royal Oak can make it a smart investment for collectors. It’s not just a watch; it’s a piece of history! If you’re a watch enthusiast or collector, this piece is a must-have. Its intricate mechanics and stunning design will surely draw attention and admiration. Plus, you can proudly say you own a piece from one of the most prestigious watchmakers in history. Even if you’re not a hardcore collector, this watch is versatile enough for daily wear. Its elegant design means you can wear it to the office, out on a date, or even at a casual brunch. It’s a conversation starter, that’s for sure! The Audemars Piguet Royal Oak Perpetual Calendar Openworked 41 Ceramic is more than just a watch; it’s a work of art. From its stunning skeletonized movement to its durable yet elegant materials, this timepiece ticks all the boxes for luxury and functionality.
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Market Price: $325,253

Key Features

  • Skeletonized dial with intricate mechanics
  • Audemars Piguet caliber AP 5135 automatic movement
  • Water resistance up to 20 meters
  • Perpetual calendar tracking date, day, month, and leap year
  • Moonphase indicator requiring adjustment every 125 years and 317 days
  • Titanium and ceramic construction with scratch-resistant ceramic
  • Sapphire glass for crystal clarity

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Openworked 41 Ceramic
Reference
26585CE.OO.1225CE.01
Movement
ap-5135
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Week Indicator
  • Moonphase
Case
41mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
20

Current Listings

[WTS] [US] Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Silver Dial AP 26320st - Full Set - $39,000

[US] Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Silver Dial AP 26320st - Full Set - $39,000

For sale is a Audemars Piguet Royal Oak Chronograph in stainless steel with white silver dial.

  • Material: stainless steel
Posted at
May 20, 2026, 3:25 PM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial AP 26471SR - $35,250

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial AP 26471SR - $35,250

Audemars Piguet - 26471SR · $35,250
Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial available for sale.

  • Size: 42mm diameter
Posted at
May 19, 2026, 12:16 PM
Active
[WTS] Audemars Piguet Royal Oak Grande Tapisserie 26315OR.ZZ.1256OR.01 ♦️Lightly Used 2021♦️

Audemars Piguet Royal Oak Grande Tapisserie 26315OR.ZZ.1256OR.01 ♦️Lightly Used 2021♦️

The Audemars Piguet Royal Oak Grande Tapisserie is a high-end watch with a distinctive tapisserie dial pattern, made in 2021.

  • Condition: Lightly Used
  • Year of production: 2021
  • Calibre: Calibre 65
  • Box and papers included: yes
Posted at
May 19, 2026, 2:44 AM
Active
[WTS] 🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver is a bold luxury sports watch that combines high-end Swiss watchmaking with true professional dive capability, featuring a 42mm stainless steel case and a white dial with blue accents.

  • Condition: Pre-owned (serviced)
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial color: white with blue accents
Posted at
May 18, 2026, 4:50 PM
Active

Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01 COMPLETE SET

The Audemars Piguet Royal Oak Offshore Diver is a luxury sports watch with true professional dive capability and a bold design. It features a 42mm stainless steel case, white dial, internal rotating dive bezel, and automatic movement.

  • Condition: just serviced and running flawlessly
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial description: white with blue accents
Posted at
May 18, 2026, 1:56 PM
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[WTS] Audemars Piguet Royal Oak Jumbo 15202ST ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Jumbo 15202ST ♦️Lightly Used Undated♦️

Audemars Piguet - 15202ST · $69,800
A lightly used Audemars Piguet Royal Oak Jumbo, available for sale. This watch is undated and comes with a full set including box and papers.

  • Condition: Lightly Used
  • Calibre: Calibre 65
  • Payment Methods: Bank Wire / Credit card (+4.9%) / Crypto
  • Shipping Details: Shipped from Singapore with tariffs/duties covered by seller
Posted at
May 18, 2026, 4:16 AM
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[WTS] Audemars Piguet Royal Oak Offshore Limited Edition 26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Limited Edition 26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Limited Edition from 2010, a unique and special timepiece.

  • Condition: lightly used
Posted at
May 18, 2026, 3:21 AM
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[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800
This 1995 Audemars Piguet Royal Oak 120th Anniversary LE is a limited edition watch with a stainless steel case and blue dial. The watch features a quartz movement and comes with its original box and extract from the archives.

  • Condition: Minimal wear, excellent condition overall
  • Case material: Stainless steel
  • Diameter: 33mm
  • Lug width: 23.5mm
Posted at
May 17, 2026, 5:19 PM
Active