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.
Buy Now on Jomashop
This is an affiliate link
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] Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial 26470OR.OO.A002CR.02

Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial 26470OR.OO.A002CR.02

The Audemars Piguet Royal Oak Offshore 'Half Brick' is a bold and recognizable timepiece crafted in solid 18K red gold, featuring a black dial and 42mm case.

  • Condition: Pre-owned with very light wear and minor imperfections
  • Material: solid 18K red gold
  • Diameter: 42mm
  • Bezel condition: clean
Posted at
Aug 22, 2025, 10:41 AM
Active
[WTS] Audemars Piguet AP Royal Oak Offshore Black & White Chronograph 42mm Stainless Steel Full Set MINT 26170ST

Audemars Piguet AP Royal Oak Offshore Black & White Chronograph 42mm Stainless Steel Full Set MINT 26170ST

Audemars Piguet - 26170ST · $21,982
A Royal Oak Offshore chronograph with a black dial, stainless steel case, and AP hornback strap.

  • Condition: Pristine
  • Case size: 42mm diameter
  • Straps included: 2
  • Value of extra straps: $500+
Posted at
Aug 21, 2025, 3:28 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet - 26237ST · $58,000
This watch is an Audemars Piguet Royal Oak Offshore 42mm in blue, known as the "Beast". It features a stainless steel case and comes with original box and papers.

  • Size: 42mm diameter
Posted at
Aug 21, 2025, 12:36 PM
Active
[WTS] 2022 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

2022 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

Audemars Piguet - 14790ST · $30,000
A 2022 Royal Oak Ref. 14790ST with a blue dial and excellent condition case, bezel, and bracelet.

  • Condition: Excellent
  • Case size: 36mm
  • Bracelet condition: Excellent
  • Bezel material: Stainless steel
Posted at
Aug 20, 2025, 9:00 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Carbon 42mm 26202AU

Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Carbon 42mm 26202AU

The Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli is a limited edition of 500 pieces, featuring a forged carbon fiber case and Cermet bezel. It comes with a 50 hour reserve Calibre 3126/3840 movement.

  • Condition: excellent pre-owned condition with light wear
  • Case material: forged carbon fiber
  • Bezel material: Cermet
  • Movement: Calibre 3126/3840, 50 hour reserve
Posted at
Aug 20, 2025, 6:10 PM
Active