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

Audemars Piguet Royal Oak 67651SR.ZZ.1261SR.01
Audemars Piguet Royal Oak, originally purchased in 2021, factory bezel, complete.
- Condition: preowned, beautiful condition
- Case size: 33mm

BNIB Audemars PIGUET ROYAL OAK 15510ST STEEL BLUE NUIT DIAL 2025 COMPLETE SET
A fresh brand new in box Audemars Piguet Royal Oak 41mm stainless steel watch with a Bleu Nuit Nuage 50 dial.
- Condition: Brand new, never worn
- Case size: 41mm
- Dial color: Bleu Nuit Nuage 50
2013 Audemars Piguet 15400ST Royal Oak 41mm with Box & Papers
2013 Audemars Piguet Royal Oak 41mm stainless steel watch with black dial, box, and papers.
- Condition: Very Good
- Case Size: 41mm diameter
- Material: stainless steel
- Dial Color: black

Audemars Piguet Royal Oak Double Balance Wheel Openworked White Gold 15412BC
This Audemars Piguet Royal Oak Double Balance Wheel Openworked features a stunning diamond-set bezel and an openworked dial that reveals the double balance wheel. It presents itself as a solid presence on the wrist with its brushed white gold case.
- Condition: Mint condition
- Case material: White Gold
- Diameter: 40mm
- Water resistance: not specified

Audemars Piguet 26297IS Royal Oak Offshore Pride Of Mexico
A limited edition Audemars Piguet Royal Oak Offshore Pride of Mexico, with a titanium case and green Horus band.
- Case size: 42mm
- Case material: Titanium
- Band color: Green

BNIB Audemars PIGUET ROYAL OAK JUMBO 16202ST BLUE DIAL 2025 COMPLETE SET
This is a Brand New in Box Audemars Piguet Royal Oak Jumbo Extra-thin, reference 16202ST.OO.1240ST.02, featuring a blue dial. It has a new in-house selfwinding movement, Calibre 7121.
- Condition: Brand New in Box and Very Beautiful
- Case size: 39mm
- Material: Stainless Steel
- Movement: Calibre 7121

Audemars PIGUET ROYAL OAK OFFSHORE DIVER 15720ST GREY DIAL 2023 WARRANTY
2023 Audemars Piguet Royal Oak Offshore Diver with a 42mm stainless steel case and grey dial, featuring interchangeable straps and a factory warranty.
- Condition: Excellent, unpolished condition
- Case diameter: 42mm
- Water resistance: No mention of water resistance
- Warranty left: Under 5 years factory warranty
2019 Audemars Piguet Royal Oak 41mm 15500ST - Mint Condition With Box & Papers
The Audemars Piguet Royal Oak 41mm features a sleek black dial with the signature Grande Tapisserie pattern and a stainless steel case with an integrated bracelet. It has an automatic movement ensuring precision and reliability.
- Condition: Mint Condition
- Case material: stainless steel
- Bracelet type: integrated
: Audemars Piguet Royal Oak Offshore "BATMAN" Ref 26740ST
This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with a modern design and chronograph function. The watch has a black mega Tapisserie dial with blue sub-dials, giving it the nickname 'Batman'. It comes in excellent condition, rarely worn.
- Condition: Excellent
- Case Size: 42mm
- Case Material: Stainless Steel
- Movement: Audemars Caliber 3126 automatic movement