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

Audemars Piguet Royal Oak Offshore "Themes" 26170ST.OO.1000ST.08
A stainless steel case, 42mm in diameter, housing a self-winding chronograph movement with date display and small seconds at the 12 o'clock position.
- Condition: pristine condition
- Case material: stainless steel
- Bracelet type: Offshore stainless steel bracelet
- Movement type: self-winding (Calibre 3126 / 3840)

NOS Audemars PIGUET ROYAL OAK 15550ST BLUE DIAL 37MM 2023 COMPLETE SET
A brand new 2023 Audemars Piguet Royal Oak Self-Winding Stainless Steel watch with a beautiful blue dial and complete set.
- Condition: New Old Stock, Unworn & Unsized
- Year: 2023
- Case Size: 37mm
- Material: Stainless Steel
2023 26240ST Audemars Piguet Royal Oak Chronograph Blue Dial FULL SET
2023 Audemars Piguet Royal Oak Chronograph with a blue dial. The watch is part of the full set and includes various documentation.
- Condition: Minimally worn, MINT unpolished condition
- Year: 2023
- Set Type: Full Set
16202BC Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET
The watch being listed is a 2023 Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET in excellent condition. The blue dial and sharp white gold case and bracelet are described as stunning.
- Condition: Excellent, unpolished condition
- Case material: White Gold
- Bracelet type: Complete Set

2025 NEW UNWORN Audemars Piguet Royal Oak Chronograph Blue Rose Gold 26240OR
A 2025 Audemars Piguet Royal Oak Chronograph in Blue Dial housed in Rose Gold, featuring a stunning Bleu Nuit Nuage 50 Grande Tapisserie dial and attractive bezel with polished edges.
- Condition: unworn
- Case material: 18k pink gold
- Diameter: 41mm
- Water resistance: 30m

Audemars Piguet Royal Oak Yellow Gold On Gold 14790BA
Preserved in overall very good condition, comes with box. Light visible surface wear on the case and bracelet.
- Condition: very good condition, with light surface wear
- Shipping: complimentary fully-insured international shipping via FedEx Priority

Audemars Piguet Royal Oak Panda Watch 26331ST.OO.1220ST.03 Chronograph
A stainless steel Royal Oak Chronograph watch with a white Panda dial and chronograph function, featuring a 41MM case.
- Case material: Stainless Steel
- Dial color: white

Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 26240CE
This Audemars Piguet Royal Oak features a black ceramic case, black Grande Tapisserie dial with pink gold accents, and a discreet date display at 4:30. It has a 70-hour power reserve, is water-resistant up to 50 meters, and includes luminous hour markers and hands for easy readability.
- Condition: Mint condition with little to no signs of wear
- Case material: Black ceramic
- Diameter: 41mm
- Depth rating: 50m