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

Audemars PIGUET ROYAL OAK 15407ST DOUBLE BALANCE WHEEL OPENWORKED FULL SET
This Audemars Piguet Royal Oak features a double balance wheel openworked skeleton dial and is housed in a 41mm stainless steel case.
- Condition: Excellent, unpolished condition
- Case Size: 41mm
- Movement Type: Double Balance Wheel Openworked
- Material: Stainless Steel

Audemars Piguet Royal Oak Rose Gold White Grande Tapisserie 15400OR.OO.1220OR.02
The Royal Oak Rose Gold White Grande Tapisserie is a luxury watch with visible surface wear on the case and bracelet.
- Condition: good condition, surface wear on case and bracelet
- Case material: Rose Gold
2001 Audemars Piguet 14790ST Royal Oak 36mm Black Dial with Box & Papers
This is a 2001 Audemars Piguet Royal Oak 36mm watch with a black dial, stainless steel case, and comes with box and papers.
- Condition: Very Good
- Case size: 36mm diameter
- Material: Stainless Steel
- Dial color: Black
2021 Audemars Piguet 67650ST Royal Oak 33mm with Box & Papers
A 2021 Audemars Piguet Royal Oak watch with a stainless steel case, black dial, and a 33mm size.
- Condition: Excellent
- Case Material: stainless steel
- Dial Color: black

Audemars Piguet 56175ST Blue Dial Quartz Royal Oak
This is an Audemars Piguet Royal Oak Quartz model with a dark blue dial and stainless steel case. It features a longitudinally brushed bezel and integrated stainless steel bracelet.
- Case size: 33mm
- Material: stainless steel

Audemars Piguet Royal Oak Offshore Chronograph 44mm Panda AP 26400so - Full Set
This is a Royal Oak Offshore Chronograph, a 44mm Panda model from Audemars Piguet, produced in 2016.
- Condition: Very Good
- Water Resistance: 150m
AP Royal Oak Half Brick Ref:26470OR Box and Papers
AP Royal Oak Half Brick Ref:26470OR, a 2019 timepiece with a full set of warranty still available.
- Box and papers included: true
- Year: 2019
- Warranty available: true

BNIB Audemars PIGUET ROYAL OAK JUMBO 16202ST BLUE DIAL 2025 COMPLETE SET
A Brand New Audemars Piguet Royal Oak Jumbo Extra-thin with a 39mm stainless steel case and Bleu Nuit, Nuage 50 dial.
- Condition: Brand New in Box, Never Worn & Never Sized
- Movement: Calibre 7121, in-house selfwinding
- Case size: 39mm diameter
- Dial color: Bleu Nuit, Nuage 50

Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Dial AP 26320s
This is a 41mm Stainless Steel Audemars Piguet Royal Oak Chronograph with a white dial, manufactured in 2016.
- Condition: Very Good
- Year of manufacture: 2016