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 Chronograph 44mm Ceramic - 26405ce - Full Se
This Audemars Piguet Royal Oak Offshore Chronograph features a 44mm ceramic case and is a 2018 model.
- Condition: Very Good
- Size: 44mm diameter
- Year: 2018

Audemars Piguet Royal Oak Chronograph 41mm AP Blue Dial 26331ST � 2017 Full Set
2017 Audemars Piguet Royal Oak Chronograph with a blue dial, featuring a 41mm case.
- Condition: Very Good
- Year: 2017
Audemars Piguet Royal Oak 37mm 15450ST Blue Dial With Papers!
This is a 37mm Royal Oak watch with a blue dial, previously had a white dial but was changed to the blue one by AP. The watch comes with papers and is in mint condition.
- Condition: Mint condition
- Case Size: 37MM
- Material: Full Stainless Steel
- Dial Color: Blue

Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore
This Audemars Piguet Royal Oak Offshore is a high-end watch with a stainless steel case and comes with various accessories.
- Condition: Very good
- Bracelets: 3 (black rubber, blue rubber, factory AP steel)
- Accessories: books, warranty card, service warranty card

Audemars Piguet Royal Oak 37mm Frosted Rose Gold Pink Dial 15454OR.GG.1259OR.03
This Audemars Piguet Royal Oak is a 37mm version in frosted rose gold featuring a pink gold toned dial.
- Condition: Excellent, with some fine swirls and hairlines on the case and bracelet
- Case size: 37mm
- Diameter: 40mm (bracelet)

Audemars Piguet Royal Oak Offshore. Diver. 15710ST
This is one of the popular offshore models from AP, featuring a rotating dial border and a selfwinding movement. The watch comes with various accessories, including an outer and inner AP box, warranty booklet, manual, and original purchase receipt.
- Condition: Excellent
- Movement type: Selfwinding
- Case size: 42mm diameter
- Case material: Steel

NEW 2020 Audemars Piguet Royal Oak Offshore Diver 15710ST Blue Dial
This is a brand new 2020 Audemars Piguet Royal Oak Offshore Diver 42mm with a blue Tapisserie dial and stainless steel case.
- Condition: Brand new/unworn
- Dial color: blue
- Case material: stainless steel
- Strap size: adjustable

Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 77350CE
This Audemars Piguet Royal Oak features a black ceramic case with a black Grande Tapisserie dial and pink gold applied hour markers. The watch has a bold, rugged look and is presented in mint condition.
- Condition: Mint
- Case material: Black ceramic
- Case size: Not specified
- Dial color: Black
Audemars Piguet 18K YG Royal Oak 5402 Grey Tropical Dial
This 39mm Audemars Piguet Royal Oak features a grey petite tapisserie dial with a gold tropical patina, sharp beveling on the case, and an excellent condition 18k yellow gold bezel and bracelet.
- Condition: Excellent
- Case size: 39mm
- Bracelet length: 7 inches
- Bracelet links: 20 link