Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Blue
Reference 25820ST.OO.0944ST.05
About this watch
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horology, blending tradition with modernity in a stunning stainless steel case paired with a striking blue dial. The 39 mm diameter strikes a perfect balance between boldness and elegance, while the tapisserie pattern on the dial catches the light beautifully. Crafted from high-quality stainless steel, this watch not only looks fantastic but is also built to last. The sapphire crystal glass adds to its robustness, providing scratch resistance and clarity. At the core lies the Audemars Piguet caliber AP 2120 / 2802, an engineering marvel designed for exceptional user experience. With an automatic mechanism, it harnesses energy from wrist movements, boasting a power reserve of approximately 40 hours. One standout feature is its perpetual calendar, adjusting for months of varying lengths and leap years, while the moonphase complication adds celestial beauty. The integrated bracelet is both visually appealing and ergonomic, ensuring a snug fit on the wrist. With manual finishing of the movement and stringent quality control, each piece is a work of art. This exclusivity makes it a coveted piece among collectors, elevating your watch game to new heights.
Key Features
- Audemars Piguet caliber AP 2120 / 2802 automatic movement
- Perpetual calendar with leap year and month adjustment
- Moonphase complication with Physical Vapor Deposited (PVD) metal on sapphire
- Sapphire crystal glass for scratch resistance and clarity
- 39 mm stainless steel case diameter
- 9.30 mm height for comfortable wear
- 20 meters water resistance for everyday use
Specifications
- Brand
- Audemars Piguet
- Family
- Royal Oak
- Model
- Royal Oak Perpetual Calendar Stainless Steel / Blue
- Reference
- 25820ST.OO.0944ST.05
- 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
![[WTS] 2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps](https://preview.redd.it/szgpx6jre1ug1.jpg?width=640&crop=smart&auto=webp&s=15065a6cae851ec93e89356d1e7d62c8fdfd8ace)
2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps
The listing features a 2015 Audemars Piguet Royal Oak Offshore Diver Black in excellent daily wear, with a mega tapisserie large hobnail dial and black lacquered gloss. It comes mounted on a black rubber vulcanized strap with an integrated look, as well as two extra high-quality Vagenari straps.
- Condition: Excellent pre-owned condition
- Case Size: 42mm diameter
- Movement: Calibre 3120 with 60 hour power reserve
- Water Resistance: 300m depth rating
![[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers](https://preview.redd.it/8hx3ynczg2rg1.jpeg?auto=webp&s=b00815994a188e3ff1cdea8b9503c9fbd9a22bb5)
2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers
The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial with an inner rotating dive bezel and an in-house automatic movement for reliable performance.
- Condition: Like new condition
- Case size: 42mm diameter
- Movement type: In-house automatic movement
![[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)