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.
Buy Now on Jomashop
This is an affiliate link
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

Unworn 2025 Audemars Piguet Royal Oak 41mm Green khaki shade. 15510ST.OO.1320ST.09
This is an unworn 2025 Audemars Piguet Royal Oak in a 41mm case, featuring a green khaki shade dial.
- Condition: Unworn
- Boxes: yes, included with purchase
- Books: yes, included with purchase
- Warranty card: yes, included with purchase

Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.
This is a Royal Oak Offshore Rubens Barrichello II watch in platinum, known for its unique design and high-quality materials.
- Condition: Excellent
- Warranty booklets: present
- Service box: present
![[WTS] Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers](https://preview.redd.it/a46abzlzv0jf1.jpg?width=640&crop=smart&auto=webp&s=e949f71211071406ef8123c17189e1311ac81e59)
Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers
a pre-owned Audemars Piguet Royal Oak Offshore 42mm Blue "Beast" with a stainless steel case and blue dial.
- Material: stainless steel
- Case diameter: 42mm
Audemars Piguet Royal Oak Offshore Chronograph Havana All Brown Stainless Steel MINT FULL SET 26470ST
The Audemars Piguet Royal Oak Offshore Chronograph Havana All Brown features a unique cigar-brown Méga-Tapisserie dial, with rose-gold accents and subdials adding warmth and balance. The watch presents in mint condition, with a large tapisserie texture and luminous plots creating a perfect combination.
- Condition: Mint
- Case material: Stainless Steel
- Movement:
- Water resistance:
![[WTS] 2024 Audemars Piguet Royal Oak Offshore 42 Green Diver 15720ST — Pre-owned, Box and Papers](https://preview.redd.it/yvrmjutat9hf1.jpeg?auto=webp&s=98fe837ca13740dbab6e5448c8f37d74b81880cb)
2024 Audemars Piguet Royal Oak Offshore 42 Green Diver 15720ST — Pre-owned, Box and Papers
The Audemars Piguet Royal Oak Offshore 42 Green Diver is a bold and sporty timepiece built for performance and style. It features a vibrant green dial, matching rubber strap, and a robust stainless steel case with a rotating inner bezel.
- Condition: Pre-owned condition with signs of wear on bezel
- Case size: 42mm diameter
- Lug to lug length: 53.8mm
- Thickness: 14.2mm
![[WTS] 2025 Audemars Piguet Royal Oak Chronograph 26240OR — Brand New Condition With Original Box & Papers](https://preview.redd.it/nmx2uz7oixcf1.jpeg?auto=webp&s=1dd05c971989d70f740d26e5fb922668c881b417)
2025 Audemars Piguet Royal Oak Chronograph 26240OR — Brand New Condition With Original Box & Papers
The Audemars Piguet Royal Oak Chronograph 26240OR is a rose gold luxury watch featuring a black dial, gold hour markers, and a hand-stitched alligator strap. It's powered by the in-house Caliber 4401 with flyback functionality.
- Condition: Brand new
- Case size: 41mm diameter
- Lug to lug length: 51.5mm
- Thickness: 12.4mm

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.
- Condition: Mint
- Case material: White ceramic
- Dial color: Blue
Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box
This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.
- Condition: Mint Condition
- Box: Yes, original box included
- Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
- Payment Methods: Wire, cryptocurrency, credit card (+4%)
NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se
This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.
- Condition: New, unworn (NIB)
- Case size: 41mm
- Movement type: Automatic, in-house