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 Offshore �Vampire� Black Red FULL SET MINT 26470ST
The Audemars Piguet Royal Oak Offshore 'Vampire' features a dark Mega Tapisserie dial with red accents and a brushed stainless steel bezel. It's a high-end watch suitable for both formal and casual settings.
- Condition: Mint condition, little to no signs of wear
- Diameter: 42mm
- Case material: Brushed stainless steel
- Exhibition caseback: Flawless view of the movements
Audemars Piguet Royal Oak 15300ST - Like New With Warranty
The Audemars Piguet Royal Oak 15300ST is a stunning watch with a white dial and grande tapisserie pattern. It features a 39mm case dimension, a more substantial bracelet, screw-down crown, and sweeping seconds hand.
- Condition: Like new with warranty
- Warranty left: ~1 year and 2.5 months
- Bracelet size: 7.25"
- Case dimensions: 39mm diameter
Audemars Piguet Royal Oak Jumbo 16202BA.OO.1240BA.02 Royal Oak Champagne Dial
The Audemars Piguet Royal Oak Jumbo Extra-Thin reference 16202BA.OO.1240BA.02 is a distinguished timepiece that pays homage to the original Royal Oak design while incorporating modern advancements.
- Material: 18-carat yellow gold
- Case size: 39 mm
- Movement: self-winding Calibre 7121
1970s Audemars Piguet 8638BA Royal Oak 29mm 18K Yellow Gold with Service Receipt
This is a 1970s Audemars Piguet Royal Oak in 18K yellow gold with a grey dial, measuring 29mm in case size. It comes with service receipts and has been well-maintained.
- Condition: Very Good
- Case Size: 29mm
- Material: 18K Yellow Gold
- Dial Color: Grey

2005 Audemars Piguet Royal Oak 15300ST White Dial - Box and Papers
The Royal Oak, with its 39mm case size, is a perfect and wearable size. The white and steel case has clean aesthetics.
- Case Size: 39mm diameter
- Bracelet Fits: up to 7.5 inch wrist
- Movement Status: running fantastic

Audemars Piguet Royal Oak Selfwinding White Dial Steel FULL SET MINT 15500ST
The watch features a clean white dial with a Grande Tapisserie pattern, stainless steel case, and brushed stainless steel bezel. It presents itself in mint condition with little to no signs of wear.
- Condition: Mint condition
- Case size: 40mm diameter
- Water resistance: 50m depth rating
- Movement: Selfwinding movement

Audemars Piguet Royal Oak Selfwinding Silver Pink Gold FULL SET MINT 77450SR
The Audemars Piguet Royal Oak Selfwinding features a harmonious blend of stainless steel and 18k pink gold, showcasing a silver-toned dial with the iconic Grande Tapisserie pattern. It presents itself in mint condition with little to no signs of wear, and is water proof up to 50 meters.
- Condition: Mint
- Case material: Stainless Steel
- Dial color: Silver
- Bezel material: 18k Pink Gold
Audemars Piguet Royal Oak Offshore 26470ST.OO.A028CR.01.A
The watch is a Royal Oak Offshore model, nicknamed "Batman" and features a stainless steel bracelet and original leather strap.
- Condition: Excellent with light scratches on bezel
- Warranty: until 2/13/26
- Boxes: includes boxes, papers, tag, warranty card
- Travel case: will include travel case
Audemars Piguet Royal Oak - 4100BA - Grey - Yellow Gold - 34mm - Excellent
This is a vintage Audemars Piguet Royal Oak watch with a grey dial and yellow gold case. It features an automatic movement and has been graded excellent.
- Condition: Pre-Owned
- Case size: 34mm diameter
- Material: Yellow Gold
- Bracelet type: Gold