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
![[WTS] Audemars Piguet Royal Oak Offshore Chronograph 25940OK](https://preview.redd.it/xqompcswz1ze1.jpg?width=640&crop=smart&auto=webp&s=cae53735292313181cef20d4c128568e1d6ac692)
Audemars Piguet Royal Oak Offshore Chronograph 25940OK
A Rose Gold edition of the 42 Royal Oak Offshore collection, featuring gold trim sub-dials and a rubber clad bezel.
- Condition: Very good condition, slight marks on the case and clasp
- Case size: 42mm diameter
- Material: Rose Gold
- Bezel material: Rubber
![[WTS] Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD 26120BA.OO.D088CR.01](https://preview.redd.it/pp6ck3id81ze1.jpg?width=640&crop=smart&auto=webp&s=9ffb18c1db8b2f47a6d838a02acf2fa64e9c30d6)
Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD 26120BA.OO.D088CR.01
This beautiful Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD features a 18K Yellow Gold case, silver dial, and black alligator leather band. It includes various complications such as dual time, GMT, and AM/PM indicator.
- Condition: nice pre-owned condition with light cosmetic wear
- Case diameter: 39mm
- Water resistance: 50 Meters

Audemars PIGUET ROYAL OAK 15500OR ROSE GOLD BLACK DIAL BRACELET 41MM FULL SET
This is a 41mm Audemars Piguet Royal Oak Self-winding 18K Rose Gold with Black Grande Tapisserie Pattern Dial, on a Rose Gold Bracelet. It has a full set of double boxes and complete manual/paper with warranty card.
- Condition: Mint, Unpolished Condition & Very Beautiful
- Diameter: 41mm
- Case material: 18K Rose Gold
- Bracelet material: Rose Gold

MINT Audemars PIGUET ROYAL OAK 77351ST DIAMOND BEZEL BLUE GREY DIAL 34MM
A beautiful 2021 Audemars Piguet Royal Oak Automatic with a stainless steel case and diamond-set bezel, featuring a blue-grey grande tapisserie dial.
- Condition: Mint, Unpolished Condition
- Case size: 34mm diameter
- Water resistance: unknown
![[WTS] 2001 Audemars Piguet Royal Oak Offshore Triple Calendar 38mm 25807ST - Excellent, Unpolished Condition With Box and Papers](https://preview.redd.it/553tawtjsvwe1.jpeg?auto=webp&s=0d91aec6419193f2832ff70e828a2e5b470422b1)
2001 Audemars Piguet Royal Oak Offshore Triple Calendar 38mm 25807ST - Excellent, Unpolished Condition With Box and Papers
This 2001 Audemars Piguet Royal Oak Offshore Triple Calendar stands out with its rare complication and perfectly sized 38mm case — a balanced blend of sportiness and refinement.
- Condition: Excellent, unpolished
- Size: 38mm diameter
- Lug to lug: 48.9mm
- Thickness: 12.6mm
Audemars Piguet Royal Oak Offshore Chronograph Tiffany Blue Men’s Watch 26238ST
The Audemars Piguet Royal Oak Offshore Chronograph Tiffany Blue Men’s Watch 26238ST is a rare and bold timepiece with a Tiffany blue 'Méga Tapisserie' dial and sharp orange accents, backed by AP’s in-house Calibre 4404 flyback chronograph.
- Condition: New and unworn
- Case Size: 42mm
- Case Material: Stainless Steel
- Bezel: Brushed Stainless Steel Octagonal Bezel with Polished Screws
![[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial Rose Gold 26470OR 2 Straps Box and Papers](https://preview.redd.it/ly3v8h2gpuye1.jpg?width=640&crop=smart&auto=webp&s=61fcccb0f5254f4c82c122ba6cfb2fa43d2f7337)
Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial Rose Gold 26470OR 2 Straps Box and Papers
The AP Royal Oak Offshore “Half Brick” Black Dial is a striking blend of luxuriousness and sport, featuring a 42mm case crafted in solid 18k pink gold and a bold black “Méga Tapisserie” dial with luminous pink gold Arabic numerals and hands.
- Case size: 42mm
- Movement: Caliber 3126/3840 automatic movement
- Power reserve: 50 hours
![[WTS] Audemars Piguet Royal Oak Offshore Alinghi Polaris Flyback / Regatta Timer Limited Edition](https://preview.redd.it/bic6tblknuye1.jpg?width=640&crop=smart&auto=webp&s=5ca4860c22b52427e27761616199639caaa5b317)
Audemars Piguet Royal Oak Offshore Alinghi Polaris Flyback / Regatta Timer Limited Edition
This is one of the best limited edition sports chronographs produced by AP, featuring a flyback chrono and regatta countdown timer.
- Condition: Excellent pre-owned condition with faint wear/handling marks
- Case diameter: 42mm
- Movement caliber: AP 2326 / 2847
- Reserve: 48 hour reserve

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.
- Condition: Mint
- Case material: White ceramic
- Dial color: Blue