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 15300ST White Dial 39mm 2007 Box & Papers - $35,500](https://preview.redd.it/4h6e316ldzvg1.jpg?width=640&crop=smart&auto=webp&s=16b0a9a61cb3f1c1095ccc71eabb5833911c19df)
Audemars Piguet Royal Oak 15300ST White Dial 39mm 2007 Box & Papers - $35,500
The Audemars Piguet Royal Oak 15300ST is a modern classic watch with a stainless steel case, white 'Grande Tapisserie' dial, and in-house Calibre 3120 automatic movement.
- Condition: Excellent condition
- Water resistance depth: 50m
- Movement power reserve: ~60 hours
- Size: 39mm
![[WTS] AP Royal Oak 56303ST ($18,750)](https://preview.redd.it/3jtyz9sk7svg1.jpg?width=640&crop=smart&auto=webp&s=4b03b2294108b9b6f6f6ab0acc57605e153f0193)
AP Royal Oak 56303ST ($18,750)
The watch is a white dial Royal Oak from Audemars Piguet, featuring a quartz movement and 33mm case size. It has a nice patina on the hour markers and hands.
- Condition: pre-owned with patina
- Size: 33mm diameter
- Movement type: quartz
![[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set](https://preview.redd.it/23w6pgcruqvg1.jpeg?auto=webp&s=f1ae2aedf7881c1a59a0f5727908a2ed13aa3ead)
Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set
The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with a bold design and ceramic build.
- Condition: Like new
- Movement caliber: Calibre 4404
- Case size: 42 mm diameter
- Case thickness: 15.3 mm
![[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01](https://preview.redd.it/hk4zvaaluqvg1.jpeg?auto=webp&s=364b703a8162bcd685e51e719afd6784f2e2caa2)
Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01
This watch is a 44mm rose gold and black ceramic masterpiece from AP with a smoked grey dial.
- Condition: like new condition
- Case material: ceramic
- Bezel material: 18k Rose Gold
- Dial color: smoked grey
![[WTS] 2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01](https://preview.redd.it/hd7prj8vemvg1.png?width=640&crop=smart&auto=webp&s=ccba362db5b52716993da46878cf0ec6b7451b39)
2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01
The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with the signature Royal Oak Offshore architecture and integrated crown guards.
- Condition: Pre-owned, recently serviced
- Case Size: 42mm diameter
- Case Material: Stainless Steel
- Dial Color: White with Blue Accents
![[WTS] 2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075](https://preview.redd.it/o83evtg5qlvg1.jpg?width=640&crop=smart&auto=webp&s=93530642ce2dfd3bd7a7b202c283be7623bd1d42)
2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075
The Audemars Piguet Royal Oak Offshore 'Safari' features a warm ivory dial with brown subdials and a matching brown strap, creating a rugged yet refined look.
- Condition: Excellent pre-owned condition
- Case Size: 42mm diameter
- Movement: Automatic Chronograph
- Dial: Ivory 'Méga Tapisserie' with brown subdials
![[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599](https://preview.redd.it/ghdzppfgplvg1.jpg?width=640&crop=smart&auto=webp&s=7c3501d3f421dd459552edd15e36c2c7a9e20320)
Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599
The 'Vampire' Royal Oak Offshore configuration features a deep black dial, bold red accents, and ceramic bezel for an aggressive look. This 2017 example presents well with Audemars Piguet papers, AP case, and multiple strap options.
- Condition: Excellent pre-owned condition
- Case Size: 42mm
- Case Material: Stainless Steel
- Movement: Automatic Chronograph
![[WTS] Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers](https://preview.redd.it/mcrty7u81gvg1.jpg?width=640&crop=smart&auto=webp&s=ed765891372fbc000507ae40e20432216ba6700c)
Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers
The seller is listing a black dial Audemars Piguet Royal Oak Offshore 'Beast' in titanium that they purchased from eBay but don't want due to it being too big on their wrist. It comes as a full set with box and papers.
- Condition: Good
- Case material: Titanium
- Bracelet material: Titanium
- Size: 42mm diameter
![[WTS] Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k](https://preview.redd.it/2pcuflh48dvg1.jpg?width=640&crop=smart&auto=webp&s=6a6aea099318fbe236c8a4700b6e8740292e0d81)
Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k
This is a Royal Oak Offshore watch from Audemars Piguet, with a stainless steel case and a sporty design. It features a 2011 model reference number 26170ST.
- Condition: Preowned
- Shipping: $100 + tariffs/duties included in price
- Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
- References: 290+ verified sales, @worthytimeholdings on Instagram, Worthytime Holdings on Google page, and u/pacodo on r/tudor