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 Chronograph 41mm Rose Gold 26320OR Black Dial 2016 Fu
This Audemars Piguet Royal Oak Chronograph features a 41mm rose gold case and black dial, produced in 2016.
- Condition: Very Good
- Case size: 41mm diameter
- Year of production: 2016

Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Vampire Ceramic Bezel �
This listing is for an Audemars Piguet Royal Oak Offshore Chronograph with a 42mm AP Vampire Ceramic Bezel, featuring a 26470ST reference number.
- Condition: Very Good
- Accessories: Original Box
- Shipping: Free, fully insured FedEx from Charlotte, NC

Audemars Piguet Royal Oak Offshore Chronograph 44mm Rose Gold Black Dial AP 264
This is a 44mm Audemars Piguet Royal Oak Offshore Chronograph with a rose gold case and black dial, produced in 2017.
- Condition: Very Good
- Case size: 44mm diameter
- Year of production: 2017

Audemars Piguet Royal Oak 41mm AP 15400or Rose Gold White Dial 2015 Full Set
This 2015 Audemars Piguet Royal Oak features a 41mm rose gold case with a white dial.
- Condition: Very Good
- Case size: 41mm
- Year: 2015

Audemars PIGUET 26401RO ROYAL OAK OFFSHORE 44MM WATCH
This Audemars Piguet Royal Oak Offshore watch features a 44MM case with ceramic bezel and pusher, coming in 18K Rose Gold with Black rubber band.
- Case size: 44mm
- Material: 18K Rose Gold
- Band material: Black rubber

2016 Audemars Piguet 15202ST Royal Oak w/ Full Set
The Royal Oak 15202ST is a 39mm stainless steel watch with a blue dial and integrated H-Link bracelet. It's the spiritual successor to the 5402, maintaining its ultra-thin height.
- Condition: Excellent
- Case size: 39mm diameter
- Material: Stainless Steel
- Dial color: Blue

Audemars Piguet 8638ST Tropical Royal Oak
The Audemars Piguet 8638ST Tropical Royal Oak is a rare and unique timepiece designed for female clients, featuring a small self-winding caliber and a tropical dial that has developed an even brown patina over time. Its production run was limited to approximately 3,889 timepieces between 1976 and 1990. This particular watch may appeal to those looking for a smaller Royal Oak.
- Condition: Excellent
- Diameter: 29mm
- Case material: Stainless Steel
2020 Audemars Piguet 15500ST Royal Oak 41mm Black with Box & Papers
2020 Audemars Piguet Royal Oak 41mm Black with Box & Papers, in excellent condition.
- Condition: Excellent
- Case Size: 41mm
- Material: Stainless Steel
- Dial Color: Black
SOLD FS: Audemars Piguet Royal Oak Jumbo YG 15202BA.OO.0944BA.01 Warranty
- Condition: warranty
- Material: yellow gold