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.
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

Audemars Piguet Royal Oak Offshore 26420CE.OO.A127CR.01
This is a mint condition Audemars Piguet Royal Oak Offshore, complete with its original boxes, book, and warranty card.
- Condition: MINT
- Case material: Titanium
- Movement: Calibre 3124

Audemars Piguet Royal Oak Offshore 26420SO.OO.A002CA.01
MINT condition Audemars Piguet Royal Oak Offshore, comes with original boxes, book and warranty card.
- Original accessories included: true
Audemars Piguet Royal Oak Offshore "HALF BRICK" Ref 26470OR
This Audemars Piguet Royal Oak Offshore 'Half Brick' features a rose gold case, rhodium dial, and chronograph function. It is powered by the Audemars Caliber 3126/3840 automatic movement.
- Condition: Excellent
- Case size: 42mm
- Material: Rose Gold
- Strap: Alligator leather

Audemars Piguet Royal Oak 41MM Black Dial Stainless Steel FULL SET MINT 15400ST
A timeless masterpiece featuring a striking black dial adorned with the iconic Grande Tapisserie pattern. The watch presents itself as elegant and sophisticated, suitable for business meetings, social events, and everyday wear.
- Condition: Mint condition with little to no signs of wear
- Case material: Stainless Steel
- Diameter: 41mm
- Movement type: Mechanical

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB
The Audemars Piguet Royal Oak Perpetual Calendar features a blue dial with silver-toned counters and perpetual calendar function. It presents itself in mint condition with little to no signs of wear, and is crafted from white ceramic with an exhibition caseback.
- Condition: Mint
- Case material: White Ceramic
- Dial color: Blue
- Complications: Perpetual Calendar, Moon Phase, Leap Year, Week Indicator

Audemars Piguet Royal Oak Openwork 41MM Pink Gold FULL SET EXCELLENT 15407OR
The Audemars Piguet Royal Oak Openwork features an 18k pink gold case, slate grey openworked skeleton dial, and double balance wheel mechanism. It presents itself in excellent condition with light marks on the bezel.
- Condition: Excellent (with minor signs of wear)
- Case material: 18k pink gold
- Diameter: 41mm
- Water resistance: not specified

Audemars Piguet Royal Oak Offshore. Diver. 15703ST.
This Audemars Piguet Royal Oak Offshore Diver features a selfwinding movement, black Mega Tapisserie dial, and steel case with brushed finish.
- Condition: Excellent
- Case Size: 42mm
- Movement Type: Selfwinding
- Dial Color: Black

Audemars Piguet Royal Oak Chrono. Pride of Italy. 1 of 500. 26326ST
This Audemars Piguet Royal Oak Chrono is a rare model, one of only 500 produced to celebrate Italian heritage and culture. It features a striking blue chronograph on a white dial and comes with an original AP bracelet.
- Condition: Excellent
- Case size: 41mm
- Movement type: Automatic
- Dial color: White

Audemars PIGUET ROYAL OAK 15300ST WHITE DIAL 39MM SERVICED WARRANTY FULL SET
This Audemars Piguet Royal Oak 15300 is a 39mm stainless steel watch with a white dial, purchased from an authorized dealer in 2010 and serviced at the AP service center in 04.2024.
- Condition: Excellent Condition
- Year Purchased: 2010
- Warranty Years Remaining: under 2 years
- Shipping Included: true