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Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic

26585CE.OO.1225CE.01

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic is a 41 mm ceramic integrated-bracelet sports watch with an AP 5135 automatic movement.

All Audemars Piguet watchesIntegrated-bracelet watchesPerpetual calendarDisplay back
Material
Ceramic
Grade / type
Black ceramic
Water resistance
20 m
Reference
26585CE.OO.1225CE.01
Type
Integrated bracelet
Case diameter
41.0 mm
Origin
Switzerland
Movement
Automatic
Caliber
AP 5135
Complications
Perpetual calendar
Colour
Black
Construction
Assembled
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Black ceramic bracelet
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Openworked sapphire
Availability
Offered
Status
Current
Not published
Price, Thickness, Lug-to-lug, Weight, Power reserve, Hardness, Surface treatment, Caseback, Lume
Medium confidence Verified Jul 2026 Source: Audemars Piguet
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic made of?

The case is black ceramic. The guide has not yet confirmed it on the maker's own page.

What size is the Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic?

The case is 41 mm across. It is water resistant to 20 m.

How much does the Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic cost, and is it available?

It is in production, but the maker does not publish a price.

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