Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Silver
Reference 25820ST.OO.0944ST.03
About this watch
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, combining classic elegance with advanced mechanics. Crafted from high-quality stainless steel, this watch features a silver dial and sapphire glass that captures light beautifully. The open case back reveals the exquisite AP 2120 / 2802 automatic movement, boasting functions including hours, minutes, date, day, leap year, month, and a perpetual calendar. Notable features include an extra-thin movement, moonphase complication, and water resistance of 20 meters. This timepiece exudes sophistication, making it suitable for any occasion. As an investment, the Royal Oak Perpetual Calendar retains or increases in value over time, offering unparalleled craftsmanship and a rich heritage. With its stunning aesthetics and advanced movement, this watch is designed to be treasured for generations.
Key Features
- Automatic AP 2120 / 2802 movement
- Perpetual calendar with leap year adjustment
- Moonphase complication with Physical Vapor Deposited metal on sapphire
- Water resistance of 20 meters
- Extra-thin movement (28.40 mm in diameter)
- Sapphire glass for scratch-resistance and crystal clarity
- Stainless steel case with silver dial
Specifications
- Brand
- Audemars Piguet
- Family
- Royal Oak
- Model
- Royal Oak Perpetual Calendar Stainless Steel / Silver
- Reference
- 25820ST.OO.0944ST.03
- Movement
- ap-2120-2802
- Movement Features
-
- Hours, Minutes
- Date, Day, Leap Year, Month, Perpetual Calendar
- Moonphase
- Case
- Stainless Steel 39mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 20
Current Listings

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

Audemars Piguet Royal Oak Offshore Chronograph �Summer� White Pink Gold 26408OR
This exclusive edition of 500 pieces captures the relaxed and celebratory mood of the summer season. Features an attractive 18k pink gold bezel with brushed and polished accents.
- Condition: Mint condition
- Limited Edition: 500 pieces
- Case Material: 18k pink gold
- Dial Type: Mega Tapisserie dial

Audemars Piguet Royal Oak Perpetual Calendar Black Ceramic FULL SET 26579CE
The watch features a slate grey dial with black subdials showing the day, date, month, and moon phase. It has a perpetual calendar that automatically adjusts for months of varying lengths and leap years.
- Condition: Mint condition with little to no signs of wear
- Material: Black ceramic case with a brushed finish and polished edges
- Movement: Gold-toned rotor and intricate movement inside
- Functions: Hours,Minutes,Seconds,Day,Date,Month,Year,Leap year,Moon phase

Audemars Piguet Royal Oak Offshore �Brick Beast� Blue Dial FULL SET MINT 26238OR
The Audemars Piguet Royal Oak Offshore Chronograph Blue Brick in Pink Gold features a deep blue Petite Tapisserie dial, pink gold-toned counters, and a brushed case with a transparent caseback. It presents itself with little to no signs of wear and comes as a full set.
- Condition: Mint condition
- Material: 18k pink gold
- Case Size: unknown
- Diameter: unknown

Audemars Piguet Royal Oak Offshore Diver 42mm Japan Limited Edition of 500 Rose
The Audemars Piguet Royal Oak Offshore Diver is a limited edition watch from Japan, featuring rose gold titanium and a 42mm case size.
- Condition: Very Good
- Case Size: 42mm diameter
- Limited Edition: one of 500