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

AUDEMARS PIGUET Royal Oak Offshore “Brick” Yellow Gold Blue Dial 26470BA.OO.1000BA.01

Audemars Piguet - 26470BA.OO.1000BA.01 · $89,500

The Audemars Piguet Royal Oak Offshore is a bold and powerful timepiece, featuring a 42mm 18k yellow gold case, a striking blue dial, and a robust chronograph function.

Condition: Excellent
Case material: 18k yellow gold
Dial color: Blue

Posted at

Oct 15, 2025, 12:40 PM

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NEW Audemars Piguet Royal Oak Offshore Chrono Smoked Taupe 26420SO.OO.A600CA.01

Audemars Piguet - 26420SO.OO.A600CA.01 · $36,000

This is a brand new, 2024 Audemars Piguet Royal Oak Offshore Chrono in Smoked Taupe, reference number 26420SO.OO.A600CA.01. It comes complete with a double box set, warranty card, instructions, and factory-sealed rubber band.

Condition: Like new
Warranty: factory sealed warranty card included
Box Status: minor scuffs on outer box

Posted at

Oct 15, 2025, 11:34 AM

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[US] Audemars Piguet Royal Oak Offshore Chronograph Black Dial Steel AP ‘City of Sails’ - 25979ST

Audemars Piguet - 25979ST · $102,000

Limited edition: Yes, City of Sails
Case size: 43mm diameter

Posted at

Oct 15, 2025, 11:09 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Blue Dial AP 26331ST – Full Set 2021

Audemars Piguet - 26331ST

The watch is a Royal Oak Chronograph with a blue dial and is part of the 2021 collection.

Year: 2021

Posted at

Oct 15, 2025, 11:05 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Blue Dial AP 26331ST – Full Set 2021

Audemars Piguet - 26331ST · $79,900

The listing is for an Audemars Piguet Royal Oak Chronograph in a 41mm case, featuring a blue dial. It comes with additional details such as the full set and being from 2021.

Year: 2021
Set: Full Set

Posted at

Oct 15, 2025, 11:05 AM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Rubberclad - AP 25940OK Full Set

Audemars Piguet - AP 25940OK · $105,000

This Audemars Piguet Royal Oak Offshore Chronograph is a 42mm Rubberclad model, part of the AP 25940OK collection.

Case material: Stainless steel
Diameter: 42mm
Bracelet: Rubber

Posted at

Oct 15, 2025, 10:56 AM

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Audemars Piguet Royal Oak Offshore Chronograph Beast Blue Dial 42mm 25721ST.OO.1000ST.09.A

Audemars Piguet - 25721ST.OO.1000ST.09.A · $28,395

The Audemars Piguet Royal Oak Offshore Chronograph 'Beast' is a 42mm mechanical watch with a blue dial and stainless steel case, featuring a tapisserie texture and octagonal bezel.

Condition: Very good condition with light signs of wear
Case size: 42mm diameter
Water resistance: 100m depth rating
Movement type: Mechanical (Automatic)

Posted at

Oct 15, 2025, 8:47 AM

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Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD 26120BA.OO.D088CR.01

Audemars Piguet - 26120BA.OO.D088CR.01 · $40,000

This beautiful Audemars Piguet Royal Oak Dual Time in 39mm YELLOW GOLD is a rare Yellow Gold version, featuring an automatic movement, sapphire crystal, and 50 Meters water resistance. It comes with its outer green box, inner wooden box, instruction manual, and original warranty manual.

Condition: nice pre-owned condition with light cosmetic wear
Case diameter: 39mm
Movement: automatic
Crystal type: sapphire

Posted at

Oct 14, 2025, 4:34 PM

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