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 39mm White Dial - Mint Condition with Box
This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.
- Condition: Mint Condition
- Box: Yes, original box included
- Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
- Payment Methods: Wire, cryptocurrency, credit card (+4%)
NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se
This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.
- Condition: New, unworn (NIB)
- Case size: 41mm
- Movement type: Automatic, in-house

Audemars PIGUET ROYAL OAK JUMBO ULTRA THIN 15202ST BLUE DIAL 2018 FULL SET
A 2018 Audemars Piguet Royal Oak Jumbo Extra-Thin in stainless steel with a blue dial, featuring a 39mm case size.
- Condition: Excellent Condition
- Case Size: 39mm
- Diameter: 39mm
- Year: 2018

2022 Audemars Piguet Ref. 26331ST Royal Oak Chronograph
2022 Audemars Piguet Ref. 26331ST Royal Oak Chronograph, featuring a 41mm case and blue dial.
- Condition: Light wear
- Case size: 41mm
- Dial color: blue
2008 Audemars Piguet 18K YG Royal Oak Chronograph 26068BA Pave Diamond Dial w/ MO
The watch features a 39mm 18K yellow gold and diamond case with a pave diamond dial, mother of pearl sub-dials, and an 18K yellow gold folding clasp.
- Condition: Excellent (unpolished)
- Case size: 39mm
- Diameter: 39mm
- Bezel condition: Excellent (light wear)
Audemars Piguet Royal Oak Yellow Gold - 15300BA - White - Yellow Gold - 39mm
This Audemars Piguet Royal Oak Yellow Gold watch features a 39mm yellow gold case, white dial, and automatic date movement.
- Condition: Pre-Owned - Excellent Grade
- Case size: 39mm
- Material: Yellow Gold
- Dial: White

LNIB Audemars PIGUET ROYAL OAK 50TH ANNIVESARY 15550ST ICE BLUE DIAL 37MM 2022
2022 Audemars Piguet Royal Oak 50th Anniversary edition with a 37mm stainless steel case and ice blue dial.
- Condition: Like New in Box (LNIB)
- Case size: 37mm
- Diameter: 37mm
- Material: Stainless Steel
Audemars Piguet Royal Oak Offshore 15710ST.OO.A002CA.02
This is a Black Accents Audemars Piguet Royal Oak Offshore model, which comes as a complete set with original papers and box.
- Condition: Excellent condition
- Water Resistance: 100m