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

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Aug 20, 2025, 9:58 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set

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This is a Royal Oak Offshore Chronograph in rose gold with a black dial, featuring an octagonal bezel and a 'Tapisserie' pattern.

Condition: Very Good
Case material: 18-carat gold
Bracelet material: rose gold
Serial number: J (2016)

Posted at

Aug 19, 2025, 5:36 AM

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A fan favorite rhodium dial 'half brick' Audemars Piguet Royal Oak Offshore Chronograph in 42mm rose gold case with Mega Tapisserie patterned dial and open case back to view the 3126 movement.

Condition: Very Good
Case diameter: 42mm
Serial number: K serial number from 2019
Movement: Calibre 3126/3840

Posted at

Aug 19, 2025, 5:27 AM

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Audemars Piguet Royal Oak Offshore Chronograph 'HAVANA" Watch and Bennisson Authentication Card

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A Royal Oak Offshore Chronograph in Havana that has been a great conversation starter, especially among AP fans. It's a daily wear watch from the seller's personal collection.

Condition: Very good condition with some light scratches
Authentication Card: Bennisson Watch in West Palm Beach

Posted at

Aug 18, 2025, 11:34 PM

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2000s Audemars Piguet Royal Oak 14790ST White Dial with AP Service Card

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A transitional mk2 Audemars Piguet Royal Oak reference 14790ST with a white dial, measuring 36mm in diameter. It features an integrated bracelet and has been serviced by Audemars Piguet.

Condition: Pre-owned, signs of use on the bezel and bracelet
Case size: 36mm diameter
Bracelet size: fits up to 7.25" wrist

Posted at

Aug 18, 2025, 5:54 PM

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