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.
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MSRP: $40,500
Market Price: $109,775

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

[wts] AP Royal Oak Offshore Diver 15710ST.OO.A051CA.01 Funky Colors

AP Royal Oak Offshore Diver 15710ST.OO.A051CA.01 Funky Colors

The AP Royal Oak Offshore Diver is a bold, dynamic timepiece designed for underwater exploration with its vibrant yellow dial and stainless steel case.

  • Case Size: 42mm diameter
  • Water Resistance: depth rating not specified
  • Movement: 3120 calibre
Posted at
May 12, 2025, 11:44 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26238ST "The Beast" - Complete Set

Audemars Piguet Royal Oak Offshore 26238ST "The Beast" - Complete Set

This 2023 re-edition of the Audemars Piguet Royal Oak Offshore 'The Beast' is a modern sport chronograph with a near 1:1 aesthetic and critical upgrades, paying tribute to the original 1993 release.

  • Condition: Like New
  • Movement: AP Calibre 4404 (Flyback Chronograph | 70-hr power reserve)
  • Case size: 42mm
  • Water resistance: 100m depth rating
Posted at
May 12, 2025, 10:12 AM
Active
2023 MINT Blue Dial 38mm Steel Royal Oak Selfwinding Chronograph Box Papers

2023 MINT Blue Dial 38mm Steel Royal Oak Selfwinding Chronograph Box Papers

2023 MINT Blue Dial 38mm Steel Royal Oak Selfwinding Chronograph in excellent condition with box papers, fully operational and functions as intended.

  • Condition: Pre-owned
  • Material: Steel
  • Size: 38mm diameter
  • Movement: Selfwinding Chronograph
Posted at
May 12, 2025, 12:30 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph 25940OK

Audemars Piguet Royal Oak Offshore Chronograph 25940OK

A stunning Rose Gold edition of the 42 ROO collection, featuring gold trim sub-dials and a rubber clad bezel.

  • Condition: Good, with slight marks on the case and clasp
  • Case size: 42mm diameter
  • Bezel material: Rubber
  • Box and papers included: Yes
Posted at
May 11, 2025, 7:51 PM
Active
[WTS] 2022 Audemars Piguet Royal Oak 41mm 15500ST Black Dial - $36,000

2022 Audemars Piguet Royal Oak 41mm 15500ST Black Dial - $36,000

2022 Audemars Piguet Royal Oak Self Winding 41mm Stainless Steel Black Grande Tapisserie Dial

  • Condition: excellent
  • Original Box: yes
  • Box And Papers: yes
  • Warranty Valid Until: July 6th, 2027
Posted at
May 10, 2025, 12:02 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver Chronograph 26703ST.OO.A070CA.01

Audemars Piguet Royal Oak Offshore Diver Chronograph 26703ST.OO.A070CA.01

The Audemars Piguet Royal Oak Offshore Diver blends luxury and performance with a 42mm stainless steel case, iconic octagonal bezel, and striking orange dial. Water-resistant to 300 meters with a unidirectional rotating bezel, it's a true diver's companion.

  • Condition: Mint
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Power reserve: 60 hours
Posted at
May 9, 2025, 7:03 PM
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[WTS] 2022 Audemars Piguet Royal Oak Offshore Chronograph Titanium Green Dial – Complete Set – Reference 26238TI.OO.A056CA.01

2022 Audemars Piguet Royal Oak Offshore Chronograph Titanium Green Dial – Complete Set – Reference 26238TI.OO.A056CA.01

The Audemars Piguet Royal Oak Offshore Chronograph with a Titanium Green Dial features a 42mm lightweight titanium case and bezel, with an eye-catching khaki green dial and the iconic “Méga Tapisserie” pattern.

  • Condition: Excellent
  • Case material: 42mm lightweight titanium
  • Dial color: khaki green
  • Bezel material: brushed titanium
Posted at
May 9, 2025, 1:46 PM
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Audemars Piguet Royal Oak Offshore Carbon Case, 44mm ceramic bezel full Set!

Audemars Piguet Royal Oak Offshore Carbon Case, 44mm ceramic bezel full Set!

Audemars Piguet - 26400AU · $23,857.002
The watch is an excellent example of the AP Royal Oak Offshore, cased in solid forged carbon that perfectly matches performance car parts. It features a solid ceramic bezel, resistant to scratches and dings.

  • Condition: Excellent
  • Case material: solid forged carbon
  • Bezel material: ceramic
  • Strap options: white Horus strap,black AP rubber strap
Posted at
May 8, 2025, 11:13 PM
Active
Audemars Piguet Royal Oak Offshore Diver Japan Edition 15711OI.OO.A006CA.01 Gold

Audemars Piguet Royal Oak Offshore Diver Japan Edition 15711OI.OO.A006CA.01 Gold

This is an AP you can wear and really get a lot of use out of. A 500 pc limited edition in brushed titanium and rose gold.

  • Condition: Excellent
  • Case diameter: 42mm
  • Water resistance: 300m/ 30ATM
  • Crystal: Sapphire
Posted at
May 8, 2025, 10:44 PM
Active