Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Stainless Steel

Reference 25829ST.OO.0944ST.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Stainless Steel is a masterpiece of horology, showcasing exquisite craftsmanship and iconic design. This remarkable watch combines artistry with functionality, featuring an openworked dial that reveals the intricate inner workings of its exceptional movement. The 39.00mm case diameter and 9.30mm height strike a perfect balance between presence and subtlety, making it suitable for both formal and casual occasions. Protected by sapphire glass, this watch is not only durable but also offers crystal-clear visibility. With a 40-hour power reserve and a frequency of 21,600 vibrations per hour, the AP caliber AP 2120 / 2802 movement is as reliable as it is beautiful. This timepiece is more than just a luxury item; it's an investment in a legacy that embodies precision, timeless style, and artistry.
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Market Price: $190,845

Key Features

  • 40-hour power reserve
  • 21,600 vibrations per hour frequency
  • Sapphire glass crystal protection
  • 39mm case diameter
  • 9.30mm height
  • Openworked dial design
  • Integrated stainless steel bracelet

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Openworked Stainless Steel
Reference
25829ST.OO.0944ST.01
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
Stainless Steel 39mm
Dial Color
See-through
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
Active
[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
Active
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