The Titanium Field GuidePicks of the month

Audemars Piguet Royal Oak Perpetual Calendar Bleu Nuit Nuage 50 Ceramic

26674CD.OO.1225CD.01

The Audemars Piguet Royal Oak Perpetual Calendar Bleu Nuit Nuage 50 Ceramic is a 41 mm ceramic integrated-bracelet sports watch with an AP 7138 automatic movement.

All Audemars Piguet watchesIntegrated-bracelet watchesUnder 11 mm thickPerpetual calendarDisplay back
Material
Ceramic
Grade / type
Bleu Nuit Nuage 50 ceramic
Water resistance
50 m
Reference
26674CD.OO.1225CD.01
Type
Integrated bracelet
Price
– · price on request
Case diameter
41.0 mm
Thickness
9.5 mm
Origin
Switzerland
Movement
Automatic
Caliber
AP 7138
Power reserve
55h
Complications
Perpetual calendar
Colour
Blue
Construction
Assembled
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Bleu Nuit ceramic bracelet
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Blue (Bleu Nuit)
Dial colours
Blue
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Surface treatment, Caseback, Lume
Medium confidence Verified Jul 2026 Source: Audemars Piguet / Monochrome
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 Bleu Nuit Nuage 50 Ceramic made of?

The case is bleu nuit nuage 50 ceramic. The guide has not yet confirmed it on the maker's own page.

What size is the Audemars Piguet Royal Oak Perpetual Calendar Bleu Nuit Nuage 50 Ceramic?

The case is 41 mm across and 9.5 mm thick. It is water resistant to 50 m.

How much does the Audemars Piguet Royal Oak Perpetual Calendar Bleu Nuit Nuage 50 Ceramic cost, and is it available?

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

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