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 Chrono Rose Gold Blue 26240OR.OO.D315cr.02

Audemars Piguet Royal Oak Chrono Rose Gold Blue 26240OR.OO.D315cr.02

The watch is a Royal Oak Chrono in Rose Gold with Blue dial and strap, showing only minor surface hairlines.

  • Condition: Mint condition
  • Material: Rose Gold
  • Dial color: Blue
Posted at
Jun 25, 2025, 5:29 PM
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[WTS] Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST

Audemars Piguet Royal Oak Offshore Diver Stainless Steel White Dial 15710ST

This Audemars Piguet Royal Oak Offshore Diver features a stainless steel case, white Tapisserie dial, and automatic mechanical movement.

  • Condition: preowned with scratches to the case, bezel and buckle
  • Case material: stainless steel
  • Case dimensions: 42mm diameter
  • Bezel: stainless steel
Posted at
Jun 24, 2025, 7:08 PM
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Audemars Piguet Royal Oak Offshore Titanium Ceramic 44mm Box & Papers – 26400IO

Audemars Piguet - 26400IO · $24,595.002
A massive 44mm titanium case with a rugged, high-tech feel and a slate grey "Méga Tapisserie" dial adds depth and dimension beneath the bold red chronograph accents. This timepiece is powered by AP's automatic chronograph movement.

  • Condition: Excellent preowned condition
  • Case material: Titanium
  • Bezel material: Black ceramic
  • Pusher material: Black ceramic
Posted at
Jun 24, 2025, 5:18 PM
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Audemars Piguet Royal Oak Offshore Chronograph “Half Brick” Rhodium 42mm 26470OR

Audemars Piguet Royal Oak Offshore Chronograph “Half Brick” Rhodium 42mm 26470OR

Audemars Piguet - 26470OR · $38,895.004
The Audemars Piguet Royal Oak Offshore Chronograph is a bold and elegant watch with a striking grey dial, 18k rose gold case, and automatic chronograph movement. It's designed for those who want their wristwear to turn heads and stand out from the crowd.

  • Condition: Excellent preowned condition
  • Case diameter: 42mm
  • Movement type: automatic chronograph
  • Strap options: black rubber, white textured rubber
Posted at
Jun 24, 2025, 5:17 PM
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Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.

Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.

This Audemars Piguet Royal Oak Offshore Rubens Barrichello II features a platinum case and comes with warranty booklets and a service box.

  • Condition: Excellent
  • Material: platinum
Posted at
Jun 23, 2025, 11:15 PM
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Audemars Piguet Royal Oak Offshore Navy 26470ST

Audemars Piguet Royal Oak Offshore Navy 26470ST

The Audemars Piguet Royal Oak Offshore Navy is a 42mm stainless steel chronograph watch with a navy blue dial and Méga Tapisserie pattern, delivering a statement of power, precision, and prestige.

  • Condition: Very good pre-owned condition
  • Size: 42mm diameter
  • Case material: Stainless steel
  • Features: Chronograph, Date Window, Screw-down Crown
Posted at
Jun 23, 2025, 1:04 PM
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[WTS] Audemars Piguet Royal Oak Offshore Navy Gen 2 26470ST

Audemars Piguet Royal Oak Offshore Navy Gen 2 26470ST

The Audemars Piguet Royal Oak Offshore Navy is a 42mm stainless steel chronograph with a rich navy blue dial and signature Méga Tapisserie pattern, evoking the spirit of adventure with unmistakable luxury.

  • Condition: Very good pre-owned condition
  • Case size: 42MM diameter
Posted at
Jun 23, 2025, 12:39 PM
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[WTS] Audemars Piguet Royal Oak Offshore Diver Carbon Fiber Ceramic 2013 Box Papers 15706AU

Audemars Piguet Royal Oak Offshore Diver Carbon Fiber Ceramic 2013 Box Papers 15706AU

Audemars Piguet - 15706AU · $23,000
This is a 42mm Audemars Piguet Royal Oak Offshore Diver, featuring a carbon fiber and ceramic case. It comes with its original box and papers.

  • Condition: Good condition overall
  • Year: 2013
  • Material: Carbon Fiber Ceramic
Posted at
Jun 22, 2025, 1:43 PM
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