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
![[WTS] Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01](https://preview.redd.it/t2o7xw2dbfyg1.png?width=640&crop=smart&auto=webp&s=d0d783f70d06cb318c1854633e72e34b1e53404f)
Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01
The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with a white dial and blue accents, combining high-end watchmaking with professional dive capability.
- Condition: Like new - recently serviced
- Case size: 42mm diameter
- Case material: stainless steel
- Dial color: white
![[WTS] AUDEMARS PIGUET Royal Oak Offshore Perpetual Calendar Black Rose Gold 26209OR.OO.D101CR.01](https://preview.redd.it/tefoqfob5dyg1.jpg?width=640&crop=smart&auto=webp&s=58a0e8b2d018adf0b6af542a9245e48d2db5fa41)
AUDEMARS PIGUET Royal Oak Offshore Perpetual Calendar Black Rose Gold 26209OR.OO.D101CR.01
The Audemars Piguet Royal Oak Offshore Perpetual Calendar reference 26209OR is a highly sophisticated interpretation of the Offshore line, combining bold proportions with a full perpetual calendar complication.
- Condition: Excellent condition
- Production Run: 25 pieces
- Warranty Valid Until: January 2027
![[WTS] Audemars Piguet Royal Oak Offshore “Pride of Argentina” 50pcs LE, $57.5k](https://preview.redd.it/m8nhqe5k2yxg1.jpg?width=640&crop=smart&auto=webp&s=fe8a658b50060dac5dcd2fa7ba4153b5c0f7c0bb)
Audemars Piguet Royal Oak Offshore “Pride of Argentina” 50pcs LE, $57.5k
This limited edition Audemars Piguet Royal Oak Offshore is a unique and rare piece, with only 50 pieces produced.
- Condition: Preowned
- Limited edition: 50 pieces
- Last known msrp: $69,100
![[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract](https://preview.redd.it/ehyc3k5z0nxg1.jpg?width=640&crop=smart&auto=webp&s=b2386144293c0fa99a16fc91bdf484a3f416f30e)
1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract
This is a 1995 Audemars Piguet Royal Oak 120th Anniversary Limited Edition watch in stainless steel with a blue dial. The case shows minimal wear and the bracelet is in fantastic condition.
- Condition: Minimal wear, excellent condition overall
- Case material: Stainless steel
- Diameter: 33 mm
- Lug width: 23.5 mm
![[WTS] Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan](https://preview.redd.it/rpd1hpdmgcxg1.jpg?width=640&crop=smart&auto=webp&s=bf098d46c244f2144dfe461ff6dd5ff452729f95)
Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan
This iconic Squared-styled watch features an amazing dial with gilt hands and markers, a Royal Oak-esque H link bracelet, and is made in Japan. It has a 9300 movement, sapphire crystal, onyx crown, and measures 29mm without crown, 38mm lug to lug, and 4 mm height.
![[WTS] Audemars Piguet Royal Oak 37mm Diamonds 15551OR.ZZ.1356OR.04 White 3/2026](https://preview.redd.it/92p7qh7fs6xg1.jpg?width=640&crop=smart&auto=webp&s=2d6aa2d561a80128cd491d858ae5965695e6fa80)
Audemars Piguet Royal Oak 37mm Diamonds 15551OR.ZZ.1356OR.04 White 3/2026
A 37mm Audemars Piguet Royal Oak with a white/silver tapestry dial and diamond bezel in rose gold, available as a complete March 2026 set.
- Condition: Mint condition
- Case size: 37mm
- Dial color: white/silver
- Bezel type: diamond
![[WTS] AUDEMARS PIGUET Royal Oak Offshore Diver Chrono Orange 26703ST.OO.A070CA.01](https://preview.redd.it/l9chaba6b5xg1.jpg?width=640&crop=smart&auto=webp&s=3b87786914bdcbb997c98f36f650e125ea8961e9)
AUDEMARS PIGUET Royal Oak Offshore Diver Chrono Orange 26703ST.OO.A070CA.01
Audiveris Piguet
- 26703ST.OO.A070CA.01
·
$27,500
The AP Royal Oak Offshore Diver Chronograph is a bold and highly functional sports watch that blends the iconic Offshore design with professional diving capability. This example features a striking orange dial with chronograph subdials, paired with an internal rotating dive bezel and a stainless-steel case.
- Condition: Excellent
- Case material: stainless steel
- Band: orange rubber strap
![[WTS] AUDEMARS PIGUET Royal Oak 41mm Chrono White Dial Steel 26320ST.OO.1220ST.02](https://preview.redd.it/u8y1u0nu15xg1.jpg?width=640&crop=smart&auto=webp&s=e10e4e6b7e80ebe47d85950daa515bf2746eb288)
AUDEMARS PIGUET Royal Oak 41mm Chrono White Dial Steel 26320ST.OO.1220ST.02
This AUDEMARS PIGUET Royal Oak Chronograph features a 41mm case size, crisp white 'Grande Tapisserie' dial, and stainless steel octagonal bezel. It delivers a balanced and sporty aesthetic while maintaining refined finishing.
- Condition: Excellent
- Case size: 41mm diameter
- Water resistance: 30m depth rating
![[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01](https://preview.redd.it/lgpeqd86u4xg1.jpeg?auto=webp&s=e29ab8993d6d97eb6d661d3290d9a5e3ba64cd66)
Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01
The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a beige dial with a blue ceramic bezel, contrasting blue sub-dials and a matching blue rubber strap. It is powered by the integrated Calibre 4401 movement.
- Condition: Brand new
- Movement Type: Mechanical (Automatic)
- Case Size: 43mm
- Water Resistance: 100m depth rating