Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Yellow Gold

Reference 25829BA.OO.0944BA.01

Audemars Piguet Royal Oak Perpetual Calendar Openworked Yellow Gold

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

Current Listings

[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold Blue Dial - AP 26331OR Full Set - $57,500

Audemars Piguet - 26331OR · $57,500

Audemars Piguet Royal Oak Chronograph in 41mm rose gold with a blue dial, this watch is part of the AP 26331OR collection.

Case material: rose gold
Diameter: 41mm

Posted at

May 22, 2026, 2:00 PM

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Audemars Piguet Royal Oak Chronograph 26277OR 39mm Rose Gold Blue Dial

Audemars Piguet - 26277OR · $41,500

A rare limited edition Royal Oak Chronograph in rose gold with a blue dial and diamond indices.

Condition: Pre-owned, running well, no need for service
Case material: Rose Gold
Diameter: 39mm

Posted at

May 22, 2026, 9:02 AM

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Audemars Piguet Royal Oak Offshore Chronograph, Black Dial, Rubber with DB buckle 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet - 26170ST.OO.D101CR.03 · $18,000

This is a Black Dial Audemars Piguet Royal Oak Offshore Chronograph with Rubber strap and DB buckle.

Condition: Lightly Used
Movement: Calibre 65
Buckle material: DB (Dual-Blade)
Case material: Assumed to be stainless steel, but not specified

Posted at

May 22, 2026, 4:36 AM

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AUDEMARS PIGUET AP Royal Oak Offshore 42mm "ELEPHANT” 26470ST.OO.A104CR.01 Automatic Chronograph FULL COMPLETE SET with BOX & PAPERS

Audemars Piguet - 26470ST.OO.A104CR.01

Audemars Piguet AP Royal Oak Offshore 42mm "Elephant" is an automatic chronograph watch.

Size: 42mm
Water Resistance: 100m depth rating

Posted at

May 20, 2026, 10:16 PM

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AP AUDEMARS PIGUET Royal Oak Offshore "BATMAN" 26470ST.OO.A028CR.01 Automatic Chronograph FULL COMPLETE SET with BOX & PAPERS

Audemars Piguet - 26470ST.OO.A028CR.01 · $69,500

Movement: Automatic Chronograph

Posted at

May 20, 2026, 5:12 PM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Silver Dial AP 26320st - Full Set - $39,000

Audemars Piguet - 26320ST.OO.1220ST.01 · $39,000

For sale is a Audemars Piguet Royal Oak Chronograph in stainless steel with white silver dial.

Material: stainless steel

Posted at

May 20, 2026, 3:25 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial AP 26471SR - $35,250

Audemars Piguet - 26471SR · $35,250

Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial available for sale.

Size: 42mm diameter

Posted at

May 19, 2026, 12:16 PM

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Audemars Piguet Royal Oak Grande Tapisserie 26315OR.ZZ.1256OR.01 ♦️Lightly Used 2021♦️

Audemars Piguet - 26315OR.ZZ.1256OR.01 · $81,300

The Audemars Piguet Royal Oak Grande Tapisserie is a high-end watch with a distinctive tapisserie dial pattern, made in 2021.

Condition: Lightly Used
Year of production: 2021
Calibre: Calibre 65
Box and papers included: yes

Posted at

May 19, 2026, 2:44 AM

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🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

Audemars Piguet - 15710ST.OO.A010CA.01 · $19,198

The Audemars Piguet Royal Oak Offshore Diver is a bold luxury sports watch that combines high-end Swiss watchmaking with true professional dive capability, featuring a 42mm stainless steel case and a white dial with blue accents.

Condition: Pre-owned (serviced)
Case size: 42mm diameter
Case material: stainless steel
Dial color: white with blue accents

Posted at

May 18, 2026, 4:50 PM

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