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
![[WTS] [US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250](https://preview.redd.it/pom21zs81stg1.jpg?width=640&crop=smart&auto=webp&s=5ed7bd7b33d1abd43291696534bb65cd2ade7e9a)
[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250
Additional Details:
- Case material: rose gold
- Diameter: 41mm
![[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000](https://preview.redd.it/1up3stoi0stg1.jpg?width=640&crop=smart&auto=webp&s=d492136ea011a00c5c1b93feae21ea5f64a70365)
[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000
a luxury chronograph watch from the Royal Oak Offshore collection with a 42mm case size and half brick gray rhodium dial.
![[WTS] [US] Audemars Piguet Royal Oak Rose Gold Black Dial 39mm - AP 15300OR - $36,500](https://preview.redd.it/22dnp66pzrtg1.jpg?width=640&crop=smart&auto=webp&s=a30c5731e674847ae3eae04316a8d849f14ea2d1)
![[WTS] 2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers](https://preview.redd.it/p01fqxb7ontg1.jpeg?auto=webp&s=541416d89ab9b33247c2e45b67cc9e3f8a35fbbe)
2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers
The Audemars Piguet Royal Oak Chronograph is a bold and iconic take on the Royal Oak, featuring a crisp white dial accented by striking blue chronograph subdials. Its 42mm stainless steel case with octagonal bezel delivers unmistakable wrist presence.
- Condition: Excellent condition, light signs of wear
- Case size: 42mm
- Lug to lug: 54mm
- Thickness: 14mm
![[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000](https://preview.redd.it/t7njw40ucmtg1.jpg?width=640&crop=smart&auto=webp&s=4573eeecfa0ae077c38e3e32fc3c0ec1d94536a9)
Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000
This Audemars Piguet Royal Oak Offshore Chronograph 'Half Brick' is a stunning example in excellent condition, with incredible wrist presence and a perfect blend of luxury, sport, and unmistakable AP character.
- Condition: Excellent condition
- Case material: rose gold
- Diameter: 44mm
- Year: 2019
![[WTS] AP Royal Oak Dual Time 26120ST](https://preview.redd.it/97q2b3oh2ltg1.jpg?width=640&crop=smart&auto=webp&s=3f98b2e1a91faf87eece08b9caa43e65be3e1757)
AP Royal Oak Dual Time 26120ST
A Royal Oak Dual Time watch from Audemars Piguet, featuring a 39mm case size and reference number 26120ST.OO.1220ST.01.
- Condition: Preowned, with minor signs of wear on the case and bracelet
- Case Size: 39mm
![[WTS] Audemars Piguet Royal Oak 33mm 15000ST Navy](https://preview.redd.it/oa4gt3raz9tg1.jpg?width=640&crop=smart&auto=webp&s=ee87c78cf623b823717d186bef5322038caf40fa)
Audemars Piguet Royal Oak 33mm 15000ST Navy
The Audemars Piguet Royal Oak 33mm is a neo-vintage watch with an automatic movement, introduced in 1995. It features a deep blue tapisserie dial and a 33mm integrated bracelet case.
- Condition: great pre owned condition
- Case size: 33mm diameter
- Water resistance: 50m depth rating
- Movement: AP calibre 2140 (upgraded to 2240 in 2025)
![[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract](https://preview.redd.it/txjlfu2m67tg1.jpg?width=640&crop=smart&auto=webp&s=38007e8e3807ac0263c5c8ac5f568c2d6b635672)
1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract
A 1995 Audemars Piguet Royal Oak 120th Anniversary LE with a blue petite tapisserie dial and stainless steel bracelet. The watch features a quartz movement and has been kept accurate time over a 24-hour period.
- Condition: Minimal wear, excellent condition overall
- Case material: Stainless steel
- Case diameter: 33mm
- Lug width: 23.5mm
![[WTS] Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set](https://preview.redd.it/y0531loyyysg1.jpeg?auto=webp&s=bc9d41dfc2bf9f9d36b6024388f4c97303e26224)
Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set
This 44mm Royal Oak Tourbillon Chronograph features a clean black 'Méga Tapisserie' dial and an exposed tourbillon at 6 o'clock, providing a sophisticated backdrop for the high-complication movement. The rubber-clad bezel adds a unique matte texture and industrial contrast against the brushed stainless steel case.
- Condition: Excellent
- Case Size: 44mm
- Case Thickness: 13.2mm
- Water Resistance: 20m (2 ATM)