Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Yellow Gold

Reference 25829BA.OO.0944BA.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Yellow Gold is a masterpiece of luxury watchmaking, boasting an exquisite design, intricate mechanics, and luxurious materials. This stunning timepiece tells a story through its openworked dial, showcasing the AP 2120 / 2802 caliber's reliability and precision. The perpetual calendar automatically accounts for varying month lengths and leap years, while the moonphase indicator adds celestial charm. Meticulous craftsmanship is evident in the manual finishing of bridges, including polished bevels and satin-brushed edges. The open case back offers a captivating view of the movement's inner workings, featuring an oscillating weight beautifully engraved and decorated. With its 39mm diameter, 9.30mm height, and water resistance of 20 meters, this watch strikes a perfect balance between substance and comfort. It's a statement of luxury and an heirloom that can be passed down through generations.
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Key Features

  • Audemars Piguet caliber AP 2120 / 2802 movement
  • Perpetual calendar with automatic date adjustment
  • Moonphase indicator with Physical Vapor Deposited metal on sapphire
  • Yellow gold case with polished and satin-brushed finishes
  • Openworked dial with Feuille hands
  • Water resistance of 20 meters
  • Sapphire crystal glass

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Openworked Yellow Gold
Reference
25829BA.OO.0944BA.01
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
Yellow Gold 39mm
Dial Color
See-through
Crystal
Sapphire
Water Resistance
20

Current Listings

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 26405NR.OO.A002CA.01

The watch is a strong and beautiful work of art with little to no signs of wear, presenting in excellent condition.

  • Condition: Excellent
  • Case size: 44mm diameter
  • Water resistance: 100m depth rating
  • Movement caliber: 3126/3840
Posted at
May 3, 2025, 1:00 AM
Active
Audemars Piguet Royal Oak Offshore Black Ceramic Chronograph 26420CE.OO.A127CR.0

Audemars Piguet Royal Oak Offshore Black Ceramic Chronograph 26420CE.OO.A127CR.0

A bold expression of strength and elegance, crafted in black ceramic with yellow gold accents, featuring a black méga tapisserie dial and 43mm case.

  • Condition: Excellent condition with little to no signs of wear
  • Case Size: 43mm diameter
  • Case Thickness: 14.4mm
  • Water Resistance: 100m depth rating (10ATM)
Posted at
May 3, 2025, 12:59 AM
Active
[WTS] Audemars Piguet Royal Oak “Owl” Ref.25594SA Box/Papers

Audemars Piguet Royal Oak “Owl” Ref.25594SA Box/Papers

Audemars Piguet - 25594SA · $250,000
A two-tone 36mm Audemars Piguet Day-Date Moon Phase with a grey tapisserie dial and gold indices, known as 'The Owl'. The watch features an automatic movement with moon phase and date indicators.

  • Condition: Pre-owned, excellent condition
  • Size: 36mm
  • Bracelet length: 7.5 inches
  • Materials: 18k gold
Posted at
May 2, 2025, 10:06 PM
Active
[WTS] 2017 AP Royal Oak Chronograph 41mm reference #26320ST

2017 AP Royal Oak Chronograph 41mm reference #26320ST

Audemars Piguet - 26320ST · $29,500
This is a 2017 AP Royal Oak Chronograph in excellent condition, with a beautiful silvered dial and a 41mm case.

  • Condition: Mint condition
  • Case size: 41mm
Posted at
May 2, 2025, 7:07 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 Chronograph blends luxury and performance with a 42mm stainless steel case, iconic octagonal bezel, and striking orange 'Méga Tapisserie' dial.

  • Condition: Mint
  • Case size: 42mm
  • Water resistance: 300m
  • Bezel type: unidirectional rotating
Posted at
May 2, 2025, 6:47 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph 25940OK.OO.D002CA.02

Audemars Piguet Royal Oak Offshore Chronograph 25940OK.OO.D002CA.02

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

  • Condition: Very good condition with slight marks on the case and clasp
  • Case size: 44mm diameter
  • Material: Rose Gold
Posted at
May 2, 2025, 6:08 PM
Active
Audemars Piguet Royal Oak Offshore Volcano 42mm in steel, full set w/extra strap

Audemars Piguet Royal Oak Offshore Volcano 42mm in steel, full set w/extra strap

Audemars Piguet - 26170ST · $21,750.002
An excellent example of the AP Royal Oak Offshore, cased in steel and sporting the black mega Tapisserie dial with orange accents, nicknamed the Volcano.

  • Material: steel
  • Diameter: 42mm
  • Case materials: steel
Posted at
May 2, 2025, 1:10 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph "Half Brick" 26470OR Black Dial

Audemars Piguet Royal Oak Offshore Chronograph "Half Brick" 26470OR Black Dial

A bold and iconic piece with a solid 18K red gold case and black dial, featuring the refined craftsmanship of AP.

  • Condition: Mint condition, minor hairline scratch on rubber strap
  • Case size: 42mm diameter
  • Case material: Red Gold
  • Dial color: Black
Posted at
May 1, 2025, 7:31 PM
Active
[WTS] 2022 50TH ANNIVERSARY Audemars Piguet Royal Oak Full Rose Gold Bracelet  26240OR.O0.13200R.03 White Dial

2022 50TH ANNIVERSARY Audemars Piguet Royal Oak Full Rose Gold Bracelet 26240OR.O0.13200R.03 White Dial

This 2022 Audemars Piguet Royal Oak is a full rose gold bracelet watch with a white dial, featuring a 41mm case diameter and a self-winding chronograph movement.

  • Case Diameter: 41mm
  • Material: Rose Gold
  • Original Box: true
Posted at
May 1, 2025, 11:22 AM
Active