Audemars Piguet
Royal Oak Perpetual Calendar 26579CS.OO.1225CS.01

  • Collection: Royal Oak Perpetual Calendar
  • Model reference: 26579CS.OO.1225CS.01
  • Case/Size: Blue ceramic, 41mm
  • Dial: Blue
  • Movement: Automatic-winding
  • Functions: Perpetual calendar
  • Specificity: Small production
  • Condition / Year: Brand New / 2023
  • Box / Papers: Yes / Yes
  • Collection: Royal Oak Perpetual Calendar
  • Model Reference: 26579CS.OO.1225CS.01
  • Case/Size: Ceramic / 41mm
  • Dial: Blue
  • Movement: Automatic winding
  • Functions: Hours, Minutes, Perpetual Calendar, Moon-phase, Date
  • Specificity: Small Production
  • Condition / Year: Brand New / 2023
  • Box / Papers: Yes / Yes
  • Price: Upon Request
Manufacturer’s International Warranty

All the watches we offer come with a 2 year warranty but this timepiece enjoys a guarantee covered by the manufacturer, valid internationally at any flagship store or official retailer carrying the respective brand. If you wish we are happy to assist you handling this task. Scope of coverage subject to manufacturer’s policy, please contact us for more information.

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The ‘Royal Oak’ overturned the prevailing codes in 1972 during a period of existential crisis for the watch industry due to the boom of the cheap Quartz watches made in Asia. The company had to come with a bold, solid stainless sports steel luxury watch, they gave the mission to Gerald Genta to design it.
He got the inspiration from a deep-sea-diving helmet, the result was an octagonal bezel, visible mounting screws, a large case of 39mm with an integrated bracelet, a very futuristic design for the seventies.

Within 2-3 years they sold about 1000 watches establishing a new segment within the industry and pioneered the popularity and desirability of the steel sports luxury watch.

The first model released was the reference 5402 known today as the “Royal Oak A series”, with a thin automatic calibre 2121 movement that is still made today.
Since they treated steel as gold, the level of finishing was remarkable and so was the retail price, for comparison purpose a similar Rolex sport watch was 10x cheaper.
Today, Audemars Piguet still produces a range of Royal Oaks in different sizes (33 to 41mm) for ladies and men, from titanium, rose gold, yellow gold and platinum metals, various dial colours and with different complications.


The Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Ceramic (ref. 26579CS) is a horological marvel that showcases the brand’s commitment to innovation and craftsmanship. This exquisite timepiece is a testament to Audemars Piguet’s heritage of creating iconic luxury watches, reimagined in a contemporary and striking blue ceramic design.

The watch features a 41mm case meticulously crafted from blue ceramic, a material known for its exceptional durability and scratch-resistant properties. This bold choice of material not only enhances the watch’s longevity but also gives it a unique and captivating appearance. The octagonal bezel, a signature element of the Royal Oak collection, is rendered in the same stunning blue ceramic, creating a seamless and eye-catching aesthetic.

Powering this exceptional timepiece is the self-winding Caliber 5134, a perpetual calendar movement that ensures precise timekeeping while offering an array of impressive complications. It accurately displays the day, date, month, and moon phase, with automatic leap year adjustment. This level of sophistication means that the watch will require minimal adjustments, even in non-leap years, making it incredibly convenient for the wearer.

The dial of the Royal Oak Perpetual Calendar features Audemars Piguet’s iconic “Grande Tapisserie” pattern in a mesmerizing blue hue, perfectly complementing the ceramic case. The sub-dials elegantly display the day and date, while the moon phase indicator adds a touch of celestial beauty. The applied white gold hour markers and hands are luminescent, ensuring excellent readability.

Completing the look is a matching blue ceramic bracelet with Audemars Piguet’s signature folding clasp, providing both comfort and security. With a water resistance of up to 20 meters, this timepiece is not only a symbol of luxury but also a reliable companion for daily wear.




Audemars Piguet – bio

Audemars Piguet is a Swiss manufacturer of mechanical watches founded in 1875. They began in the Vallée de Joux. Jules Louis Audemars formed a partnership with Edward Auguste Piguet. Audemars created complicated blank watch movements for other manufactures to use. Piguet specialized in the final regulation of watches. They then split responsibilities when they began their own company. Audemars was in charge of production and technical aspects while Piguet focused on sales and management. One of their first achievements was creating the first repeater wristwatch in 1892 and in 1972 the iconic steel “Royal Oak”.

Additional information


Accompanied by an Audemars Piguet international warranty certificate, product literature, and a wooden winding presentation box