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] Audemars Piguet Royal Oak Chronograph 26420TI 43mm 2022 Box and Papers

Audemars Piguet Royal Oak Chronograph 26420TI 43mm 2022 Box and Papers

2022 Audemars Piguet Royal Oak Chronograph, 43mm diameter, featuring a blue dial.

  • Condition: Excellent
  • Year: 2022
  • Size: 43mm diameter
  • Location: Tennessee
Posted at
Mar 1, 2026, 9:46 PM
Active
[WTS] Audemars Piguet Royal Oak Chronograph 26331OR RG 41mm 2018 Box and Papers

Audemars Piguet Royal Oak Chronograph 26331OR RG 41mm 2018 Box and Papers

Audemars Piguet - 26331OR · $57,000
2018 Audemars Piguet Royal Oak Chronograph with a blue dial, 41mm case size.

  • Condition: Excellent
  • Year: 2018
Posted at
Mar 1, 2026, 9:43 PM
Active
[WTS] Audemars Piguet 42mm Rose Gold Royal Oak Chronograph Rubberclad 25940OK.OO.D002CA.02

Audemars Piguet 42mm Rose Gold Royal Oak Chronograph Rubberclad 25940OK.OO.D002CA.02

A fantastic all gold AP, the iconic luxury chronograph Royal Oak Offshore Rose Gold Rubberclad was just serviced and comes with a year warranty.

  • Condition: good preowned condition
  • Case size: 42mm diameter
  • Material: Rose Gold
  • Strap included: true
Posted at
Feb 28, 2026, 3:40 PM
Active