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] 2022 Audemars Piguet Royal Oak Offshore Chronograph “Tiffany” Blue Dial – Complete Set – Reference 26238ST.OO.A340CA.01](https://external-preview.redd.it/uHx7JHx3vIJppcreaDsWDbF3i0L8kDiwpTcCYZkM3-I.jpeg?auto=webp&s=58de2ad1d8f6f519ab03e7f8b8b09bc40e2c5fb6)
![[WTS] 2025 Audemars Piguet Royal Oak 37mm 15551ST - Brand New Condition With Box & Papers](https://preview.redd.it/kv45y9va369f1.jpeg?auto=webp&s=4efbd26cfebeea4c45266414032672690cd1a388)
![[WTS] Audemars Piguet Royal Oak 18K Yellow Gold & Steel 33mm Quartz 56175SA Watch](https://external-preview.redd.it/xSRkXXV_tloD0hxhCAP0n_0Kh62Yb_p7nWxVMhQlz2g.jpeg?auto=webp&s=27f33dd170347adcf2eda4be8fc949c1211a1515)
Audemars Piguet Royal Oak Chrono Rose Gold Blue 26240OR.OO.D315cr.02
The watch is a Royal Oak Chrono in Rose Gold with Blue dial and strap, showing only minor surface hairlines.
- Condition: Mint condition
- Material: Rose Gold
- Dial color: Blue
![[WTS] Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST](https://external-preview.redd.it/jZ_w_7nC415rylxwEVDAFwaqcUZDZroRMuwuCQVOr0Q.jpeg?auto=webp&s=5f1dc843a7d9456826639a5a3bb71aee676512bc)
Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST
This Audemars Piguet Royal Oak Offshore Diver features a stainless steel case, white Tapisserie dial, and automatic mechanical movement.
- Condition: preowned with scratches to the case, bezel and buckle
- Case material: stainless steel
- Case dimensions: 42mm diameter
- Bezel: stainless steel
Audemars Piguet Royal Oak Offshore Titanium Ceramic 44mm Box & Papers – 26400IO
A massive 44mm titanium case with a rugged, high-tech feel and a slate grey "Méga Tapisserie" dial adds depth and dimension beneath the bold red chronograph accents. This timepiece is powered by AP's automatic chronograph movement.
- Condition: Excellent preowned condition
- Case material: Titanium
- Bezel material: Black ceramic
- Pusher material: Black ceramic
Audemars Piguet Royal Oak Offshore Chronograph “Half Brick” Rhodium 42mm 26470OR
The Audemars Piguet Royal Oak Offshore Chronograph is a bold and elegant watch with a striking grey dial, 18k rose gold case, and automatic chronograph movement. It's designed for those who want their wristwear to turn heads and stand out from the crowd.
- Condition: Excellent preowned condition
- Case diameter: 42mm
- Movement type: automatic chronograph
- Strap options: black rubber, white textured rubber

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