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
UNWORN 2022 Audemars Piguet 15551ST 50th Anniversary Royal Oak 37mm Box & Papers
A brand new, unworn Audemars Piguet Royal Oak 50th Anniversary edition in stainless steel with a blue dial.
- Condition: UNWORN
- Case Size: 37mm diameter
- Material: Stainless Steel
- Dial Color: Blue
Audemars Piguet Royal Oak Offshore Panda 26170ST
This Audemars Piguet Royal Oak Offshore is known as the Panda due to its white dial and black/red subdials. It's powered by the Caliber 3126 movement, offering extreme accuracy.
- Condition: Very good, with light scratches on the case
- Case size: 42mm
- Material: stainless steel

Audemars Piguet 4100BA Royal Oak III
This Audemars Piguet Royal Oak III is a 35mm unpolished 18k yellow gold watch with an unpolished bezel and bracelet. The dial features brass, grey petite tapisserie decoration and is complemented by 18k yellow gold hands, indices, and date wheel.
- Case diameter: 35mm
- Bezel material: 18k yellow gold
- Bracelet type: 477 H-link

BNIB Audemars PIGUET ROYAL OAK 15510ST STEEL BLUE NUIT DIAL 2025 COMPLETE SET
2025 Audemars Piguet Royal Oak with a 41mm stainless steel case and Bleu Nuit, Nuage 50 dial.
- Condition: Brand New In Box (BNIB)
- Material: stainless steel
- Diameter: 41mm
- Movement: self-winding
Audemars Piguet Royal Oak Offshore Chrono Black Themes 26170ST Complete&Serviced
The Audemars Piguet Royal Oak Offshore Chronograph “Black Themes” is a high-end timepiece with a 3126/3840 calibre produced from 2007+. It features a case of H23468-12112 and comes with a full set, including an OEM rubber strap w/ deployant buckle.
- Condition: Excellent condition, never polished
- Case size: 44mm diameter
- Movement: Calibre 3126/3840
- Year: 2011
2019 Audemars Piguet Royal Oak Perpetual Calendar 26579CE - Excellent Condition With
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of haute horology, crafted from black ceramic with a 41mm case and iconic octagonal bezel.
- Condition: Excellent Condition
- Case material: black ceramic
- Diameter: 41mm
2017 Audemars Piguet Royal Oak Chronograph 41mm Blue Dial 26331ST - Near Mint Conditi
The Audemars Piguet Royal Oak Chronograph showcases the brand's iconic design paired with exceptional craftsmanship, featuring a 41mm stainless steel case and blue Grande Tapisserie dial.
- Condition: Near Mint Condition
- Case diameter: 41mm
- Movement type: self-winding
- Water resistance: not specified

Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore
This Audemars Piguet Royal Oak Offshore comes with various accessories, including books and warranty cards.
- Condition: Very good condition
- Bracelets: black rubber, blue rubber, factory AP steel bracelet