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] 2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

This is a brand new Audemars Piguet Royal Oak Chronograph. It comes with its original box and papers.

  • Condition: Brand new condition
  • Box: yes, and papers included
  • Year: 2024
Posted at
Jan 28, 2026, 8:03 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. It features a bold design, unmistakable Offshore character, and a 42 mm case.

  • Condition: like new
  • Movement: Calibre 4404
  • Case Size: 42 mm
  • Case Material: Blue ceramic with titanium caseback
Posted at
Jan 27, 2026, 8:18 AM
Active
[WTS] [US] Audemars Piguet Royal Oak ‘Jumbo’ Extra Thin Stainless Steel Blue Dial 39mm AP 16202ST - Full Set - $81,500

[US] Audemars Piguet Royal Oak ‘Jumbo’ Extra Thin Stainless Steel Blue Dial 39mm AP 16202ST - Full Set - $81,500

Audemars Piguet - 16202ST · $81,500
The listing is for an Audemars Piguet Royal Oak 'Jumbo' Extra Thin Stainless Steel Blue Dial 39mm AP 16202ST, a high-end luxury watch.

  • Size: 39mm diameter
Posted at
Jan 27, 2026, 4:55 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph – Titanium $31,699

Audemars Piguet Royal Oak Offshore Chronograph – Titanium $31,699

This Audemars Piguet Royal Oak Offshore Chronograph in Grade 5 titanium features a blue Méga Tapisserie dial and is powered by AP's in-house Calibre 4401 flyback chronograph. It has a bold wrist presence, remains lightweight and wearable, and offers 100m water resistance.

  • Condition: Very good overall condition
  • Diameter: 43mm
  • Case material: Grade 5 titanium
  • Water resistance: 100m
Posted at
Jan 25, 2026, 7:55 PM
Active
[WTS] Audemars Piguet Royal Oak White Men's Watch Safari Complete 26170ST.OO.D091CR.01

Audemars Piguet Royal Oak White Men's Watch Safari Complete 26170ST.OO.D091CR.01

This is an Audemars Piguet Royal Oak Offshore Chronograph with a 42 mm stainless steel case and iconic octagonal bezel.

  • Condition: Excellent with light signs of careful wear
  • Case size: 42mm diameter
  • Movement type: Automatic chronograph
Posted at
Jan 24, 2026, 11:21 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet - 26470OR · $33,700
A 42MM Audemars Piguet Royal Oak Offshore in 18K Rose Gold 'Rhodium' is being sold. The watch is in excellent condition and comes with its complete set.

  • Condition: Immaculate, unpolished condition; could pass as new with handling marks
  • Case size: 42mm
  • Materials: 18K Rose Gold
  • Year: 2018
Posted at
Jan 23, 2026, 4:43 PM
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[WTS] 2023 Audemars Piguet  Royal Oak  41mm 15510ST Stainless Steel Blue Dial - $53,250

2023 Audemars Piguet Royal Oak 41mm 15510ST Stainless Steel Blue Dial - $53,250

2023 Audemars Piguet Royal Oak 41mm stainless steel blue dial watch with original box, papers, and warranty.

  • Condition: Excellent overall condition
  • Box And Papers: Yes
  • Warranty: 5 year manufacturer warranty
  • Size Diameter: 41mm
Posted at
Jan 23, 2026, 1:07 PM
Active
[WTS] Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

The watch is a Royal Oak Extra Thin Jumbo with an ultra-thin design, sharp steel lines, and a recognizable integrated bracelet. The naturally aged blue dial adds character to the watch.

  • Condition: Great overall condition, minimal evident wear.
  • Case material: Stainless steel
  • Case diameter: 39mm
  • Bracelet length: 21 total links
Posted at
Jan 23, 2026, 9:04 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

This 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey Mega Tapisserie dial and comes with its outer box, inner wood box, booklets and warranty card.

  • Condition: like new
  • Case material: ceramic
  • Bezel material: 18k rose gold
  • Diameter: 44mm
Posted at
Jan 23, 2026, 8:57 AM
Active