Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Silver
Reference 25820ST.OO.0944ST.03
About this watch
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, combining classic elegance with advanced mechanics. Crafted from high-quality stainless steel, this watch features a silver dial and sapphire glass that captures light beautifully. The open case back reveals the exquisite AP 2120 / 2802 automatic movement, boasting functions including hours, minutes, date, day, leap year, month, and a perpetual calendar. Notable features include an extra-thin movement, moonphase complication, and water resistance of 20 meters. This timepiece exudes sophistication, making it suitable for any occasion. As an investment, the Royal Oak Perpetual Calendar retains or increases in value over time, offering unparalleled craftsmanship and a rich heritage. With its stunning aesthetics and advanced movement, this watch is designed to be treasured for generations.
Key Features
- Automatic AP 2120 / 2802 movement
- Perpetual calendar with leap year adjustment
- Moonphase complication with Physical Vapor Deposited metal on sapphire
- Water resistance of 20 meters
- Extra-thin movement (28.40 mm in diameter)
- Sapphire glass for scratch-resistance and crystal clarity
- Stainless steel case with silver dial
Specifications
- Brand
- Audemars Piguet
- Family
- Royal Oak
- Model
- Royal Oak Perpetual Calendar Stainless Steel / Silver
- Reference
- 25820ST.OO.0944ST.03
- Movement
- ap-2120-2802
- Movement Features
-
- Hours, Minutes
- Date, Day, Leap Year, Month, Perpetual Calendar
- Moonphase
- Case
- Stainless Steel 39mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 20
Current Listings
Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 26238CE.00.1300CE.01
This is an Audemars Piguet Royal Oak Offshore Selfwinding Chronograph, a men's watch with a ceramic case and band, featuring automatic movement and a sapphire crystal.
- Condition: Mint
- Case Diameter: 42mm
- Water Resistance: 100m/ 10ATM
- Band Size: 7.25"
![[WTS] Audemars Piguet Royal Oak Offshore Navy Panda Chronograph 42mm 26170ST.OO.D305CR.01 Box+Extract](https://preview.redd.it/dcz2mtp3wejf1.jpg?width=640&crop=smart&auto=webp&s=a557b9bfee75919b5bffa6ab82dd5aa47a6a8407)
![[WTS] AUDEMARS PIGUET Royal Oak Blue Dial Stainless Steel 15500ST.OO.1220ST.01](https://preview.redd.it/vsweq9d4k8jf1.jpg?width=640&crop=smart&auto=webp&s=5357bc0893c9cf8d0646f3c4c42a376b0b0da5b1)
![[WTS] AUDEMARS PIGUET Royal Oak Offshore Diver Black Dial 42mm 15710ST.OO.A002CA.01](https://preview.redd.it/lodsllety7jf1.jpg?width=640&crop=smart&auto=webp&s=377d97304e69a0cbbc0726f10b0ff9854cf22950)
Audemars Piguet Royal Oak Offshore Chronograph Panda | ref. 26400SO | 2015 Set
The watch is an Audemars Piguet Royal Oak Offshore Chronograph Panda in a 44mm case, featuring a ceramic bezel and crystal. It has a sharp and unpolished finish, with only light hairlines on the case and clasp.
- Condition: Excellent condition overall
- Case size: 44mm
- Movement speed: -6spd at 320amp

Unworn 2025 Audemars Piguet Royal Oak 41mm Green khaki shade. 15510ST.OO.1320ST.09
This is an unworn 2025 Audemars Piguet Royal Oak in a 41mm case, featuring a green khaki shade dial.
- Condition: Unworn
- Boxes: yes, included with purchase
- Books: yes, included with purchase
- Warranty card: yes, included with purchase

Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.
This is a Royal Oak Offshore Rubens Barrichello II watch in platinum, known for its unique design and high-quality materials.
- Condition: Excellent
- Warranty booklets: present
- Service box: present
![[WTS] Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers](https://preview.redd.it/a46abzlzv0jf1.jpg?width=640&crop=smart&auto=webp&s=e949f71211071406ef8123c17189e1311ac81e59)
Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers
a pre-owned Audemars Piguet Royal Oak Offshore 42mm Blue "Beast" with a stainless steel case and blue dial.
- Material: stainless steel
- Case diameter: 42mm