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 6005SA Jumbo Two-Tone Quartz Royal Oak
This is an Audemars Piguet Royal Oak model, featuring a 41x32mm stainless steel and 18k yellow gold case.
- Case size: 41x32mm
- Material: Stainless Steel, 18k Yellow Gold
- Dial color: Grey

Audemars Piguet Royal Oak Offshore Chronograph. Bucherer Edition. 1/300. 26471SR
This is a limited edition Audemars Piguet Royal Oak Offshore Chronograph, released exclusively through Bucherer boutiques in 2017. It features a unique Bucherer Blue dial and pink gold bezel, and comes with original packaging and an extra black strap.
- Condition: Mint
- Dial color: Bucherer Blue
- Bezel material: Pink Gold
- Case size: 42mm

Audemars PIGUET ROYAL OAK 15407ST DOUBLE BALANCE WHEEL OPENWORKED FULL SET
This Audemars Piguet Royal Oak features a double balance wheel openworked skeleton dial and is housed in a 41mm stainless steel case.
- Condition: Excellent, unpolished condition
- Case Size: 41mm
- Movement Type: Double Balance Wheel Openworked
- Material: Stainless Steel

Audemars Piguet Royal Oak Rose Gold White Grande Tapisserie 15400OR.OO.1220OR.02
The Royal Oak Rose Gold White Grande Tapisserie is a luxury watch with visible surface wear on the case and bracelet.
- Condition: good condition, surface wear on case and bracelet
- Case material: Rose Gold
2001 Audemars Piguet 14790ST Royal Oak 36mm Black Dial with Box & Papers
This is a 2001 Audemars Piguet Royal Oak 36mm watch with a black dial, stainless steel case, and comes with box and papers.
- Condition: Very Good
- Case size: 36mm diameter
- Material: Stainless Steel
- Dial color: Black
2021 Audemars Piguet 67650ST Royal Oak 33mm with Box & Papers
A 2021 Audemars Piguet Royal Oak watch with a stainless steel case, black dial, and a 33mm size.
- Condition: Excellent
- Case Material: stainless steel
- Dial Color: black

Audemars Piguet 56175ST Blue Dial Quartz Royal Oak
This is an Audemars Piguet Royal Oak Quartz model with a dark blue dial and stainless steel case. It features a longitudinally brushed bezel and integrated stainless steel bracelet.
- Case size: 33mm
- Material: stainless steel

Audemars Piguet Royal Oak Offshore Chronograph 44mm Panda AP 26400so - Full Set
This is a Royal Oak Offshore Chronograph, a 44mm Panda model from Audemars Piguet, produced in 2016.
- Condition: Very Good
- Water Resistance: 150m
AP Royal Oak Half Brick Ref:26470OR Box and Papers
AP Royal Oak Half Brick Ref:26470OR, a 2019 timepiece with a full set of warranty still available.
- Box and papers included: true
- Year: 2019
- Warranty available: true