The Ceramic Field Guide

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 current-production integrated bracelet watch with a black black ceramic case. It measures 41.0 mm across, and is water resistant to 20 m. Inside is the AP 5135 automatic movement. Complications: Perpetual calendar. Brand origin: Switzerland.

Ceramic integrated bracelet watchesBlack ceramicOn a ceramic braceletDisplay back
Reference
26585CE.OO.1225CE.01
Type
Integrated bracelet
Price
Case diameter
41.0 mm
Thickness
Lug-to-lug
Water resistance
20 m
Weight
Origin
Switzerland
Movement
Automatic
Caliber
AP 5135
Power reserve
Complications
Perpetual calendar
Ceramic
Black ceramic
Colour
Black
Hardness
Construction
Assembled
Surface treatment
Caseback
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Black ceramic bracelet
Ceramic bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Openworked sapphire
Lume
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Audemars Piguet Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

Similar ceramic watches

Alternatives to the Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic

More ceramic watches from Audemars Piguet

Frequently asked questions

What kind of ceramic is the Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic?

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Black Ceramic has a black black ceramic case. It is recorded at medium confidence pending a maker-stated type.

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

It is 41.0 mm in diameter, and 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 current-production; the guide does not list a price for it.

All ceramic Audemars Piguet watches · Ceramic integrated bracelet watches · All 165 watches

Learn: Color Guide · Scratch vs Chip · Ceramic vs Titanium · Ceramic vs Steel