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 8638ST Tropical Royal Oak
The Audemars Piguet 8638ST Tropical Royal Oak is a rare and unique timepiece designed for female clients, featuring a small self-winding caliber and a tropical dial that has developed an even brown patina over time. Its production run was limited to approximately 3,889 timepieces between 1976 and 1990. This particular watch may appeal to those looking for a smaller Royal Oak.
- Condition: Excellent
- Diameter: 29mm
- Case material: Stainless Steel
2020 Audemars Piguet 15500ST Royal Oak 41mm Black with Box & Papers
2020 Audemars Piguet Royal Oak 41mm Black with Box & Papers, in excellent condition.
- Condition: Excellent
- Case Size: 41mm
- Material: Stainless Steel
- Dial Color: Black
SOLD FS: Audemars Piguet Royal Oak Jumbo YG 15202BA.OO.0944BA.01 Warranty
- Condition: warranty
- Material: yellow gold

Audemars PIGUET ROYAL OAK OFFSHORE STEEL 43MM 26420SO TAUPE DIAL 2022 FULL SET
A 2022 Audemars Piguet Royal Oak Offshore Steel 43mm with a smoked taupe dial and black ceramic bezel, running perfectly with no issues.
- Condition: Mint, Unpolished
- Case Material: Stainless steel
- Bezel Material: Black ceramic
- Band Material: Light brown strap with stainless steel pin buckle
Audemars Piguet Royal Oak Offshore Chronograph Steel 44mm 26400SO.OO.A002CA.01
This is a stainless steel Audemars Piguet Royal Oak Offshore Chronograph, measuring 44mm in size and featuring a mechanical automatic movement.
- Condition: 95%
- Case material: stainless steel
- Movement type: mechanical automatic

MINT Audemars PIGUET ROYAL OAK 15510ST STAINLESS STEEL GREY DIAL 2024 FULL SET
This 2024 Audemars Piguet Royal Oak is a newer model with a 41mm stainless steel case and grey dial. It comes in full set condition with double boxes and warranty card.
- Condition: Mint, Unpolished
- Material: stainless steel
- Case size: 41mm
- Diameter: 41mm
Audemars Piguet 18K YG Royal Oak 5402 Grey Tropical Dial
This Audemars Piguet Royal Oak features a 39mm case, grey petite tapisserie dial with gold tropical patina, and 20-link 18k yellow gold bracelet.
- Condition: Excellent
- Case size: 39mm
- Bracelet length: 7 inches

Audemars Piguet Royal Oak Offshore "Themes" 26170ST.OO.1000ST.08
A stainless steel case, 42mm in diameter, housing a self-winding chronograph movement with date display and small seconds at the 12 o'clock position.
- Condition: pristine condition
- Case material: stainless steel
- Bracelet type: Offshore stainless steel bracelet
- Movement type: self-winding (Calibre 3126 / 3840)