Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Dark Blue
Reference 25820ST.OO.0944ST.04
About this watch
The Audemars Piguet Royal Oak Perpetual Calendar 25820ST.OO.0944ST.04 is an exquisite timepiece that embodies elegance, innovation, and luxury. This masterpiece boasts a stunning dark blue dial, perfectly complemented by the stainless steel case. The iconic octagonal bezel and integrated bracelet add to its timeless appeal. With its extra-thin automatic movement, this watch features a plethora of complications, including a perpetual calendar that automatically adjusts for months with varying lengths and leap years. The moonphase complication is crafted with Physical Vapor Deposited (PVD) metal on sapphire, adding a touch of celestial elegance. The dial's intricate details, such as the stick and dot indexes and slender stick-style hands, make it easy to read in any light condition. The watch's water resistance of 20 meters makes it ideal for everyday wear. Whether you're at the office or attending a formal event, this watch adapts effortlessly to any environment. Its lightweight profile and smooth stainless steel make it a pleasure to wear.
Key Features
- Extra-thin automatic movement with perpetual calendar
- Moonphase complication crafted with Physical Vapor Deposited (PVD) metal on sapphire
- Iconic octagonal bezel and integrated bracelet design
- Stainless steel case with dark blue dial and subtle texture
- Water resistance of 20 meters for everyday wear
- Lightweight profile and smooth stainless steel for comfortable wear
Specifications
- Brand
- Audemars Piguet
- Family
- Royal Oak
- Model
- Royal Oak Perpetual Calendar Stainless Steel / Dark Blue
- Reference
- 25820ST.OO.0944ST.04
- Movement
- ap-2120-2802
- Movement Features
-
- Hours, Minutes
- Date, Day, Leap Year, Month, Perpetual Calendar
- Moonphase
- Case
- Stainless Steel 39mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 20
Current Listings
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![[WTS] 2025 Audemars Piguet Royal Oak 37mm 15551ST - Brand New Condition With Box & Papers](https://preview.redd.it/kv45y9va369f1.jpeg?auto=webp&s=4efbd26cfebeea4c45266414032672690cd1a388)
![[WTS] Audemars Piguet Royal Oak 18K Yellow Gold & Steel 33mm Quartz 56175SA Watch](https://external-preview.redd.it/xSRkXXV_tloD0hxhCAP0n_0Kh62Yb_p7nWxVMhQlz2g.jpeg?auto=webp&s=27f33dd170347adcf2eda4be8fc949c1211a1515)
Audemars Piguet Royal Oak Chrono Rose Gold Blue 26240OR.OO.D315cr.02
The watch is a Royal Oak Chrono in Rose Gold with Blue dial and strap, showing only minor surface hairlines.
- Condition: Mint condition
- Material: Rose Gold
- Dial color: Blue
![[WTS] Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST](https://external-preview.redd.it/jZ_w_7nC415rylxwEVDAFwaqcUZDZroRMuwuCQVOr0Q.jpeg?auto=webp&s=5f1dc843a7d9456826639a5a3bb71aee676512bc)
Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST
This Audemars Piguet Royal Oak Offshore Diver features a stainless steel case, white Tapisserie dial, and automatic mechanical movement.
- Condition: preowned with scratches to the case, bezel and buckle
- Case material: stainless steel
- Case dimensions: 42mm diameter
- Bezel: stainless steel
Audemars Piguet Royal Oak Offshore Titanium Ceramic 44mm Box & Papers – 26400IO
A massive 44mm titanium case with a rugged, high-tech feel and a slate grey "Méga Tapisserie" dial adds depth and dimension beneath the bold red chronograph accents. This timepiece is powered by AP's automatic chronograph movement.
- Condition: Excellent preowned condition
- Case material: Titanium
- Bezel material: Black ceramic
- Pusher material: Black ceramic
Audemars Piguet Royal Oak Offshore Chronograph “Half Brick” Rhodium 42mm 26470OR
The Audemars Piguet Royal Oak Offshore Chronograph is a bold and elegant watch with a striking grey dial, 18k rose gold case, and automatic chronograph movement. It's designed for those who want their wristwear to turn heads and stand out from the crowd.
- Condition: Excellent preowned condition
- Case diameter: 42mm
- Movement type: automatic chronograph
- Strap options: black rubber, white textured rubber

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.
- Condition: Mint
- Case material: White ceramic
- Dial color: Blue