Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Yellow Gold / Silver
Reference 25820BA.OO.0944BA.02
About this watch
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, blending artistry, functionality, and tradition. This stunning timepiece boasts an exquisite design with yellow gold and silver contrast, complemented by an iconic octagonal bezel and a silver dial adorned with the 'Tapisserie' pattern. The watch features an array of functions, including date, day, month, leap year, and moon phase, seamlessly integrated into its intricate movement. Crafted from 18-carat yellow gold, this luxury watch showcases exceptional craftsmanship, precision, and reliability. With a water resistance of 20 meters and a comfortable 39mm case size, it's perfect for everyday wear. The Royal Oak Perpetual Calendar is not just a timepiece; it's an heirloom, a statement of your appreciation for fine art in horology.
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Key Features
- Audemars Piguet caliber AP 2120 / 2802 movement
- 18-carat yellow gold case
- Sapphire crystal glass
- 39mm diameter and 9.30mm height
- 20 meter water resistance
- Perpetual calendar with date, day, month, leap year, and moon phase
- Tapisserie pattern on silver dial
Specifications
- Brand
- Audemars Piguet
- Family
- Royal Oak
- Model
- Royal Oak Perpetual Calendar Yellow Gold / Silver
- Reference
- 25820BA.OO.0944BA.02
- Movement
- ap-2120-2802
- Movement Features
-
- Hours, Minutes
- Date, Day, Leap Year, Month, Perpetual Calendar
- Moonphase
- Case
- Yellow Gold 39mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 20
Current Listings
![[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 41mm chronograph in rose gold with a black dial and hand-stitched alligator strap. It features an in-house Caliber 4401 with flyback functionality.
- Condition: Brand new
- Case size: 41mm diameter
- Lug to lug length: 51.5mm
- Thickness: 12.4mm
![[WTS] AP Royal Oak Offshore Flyback Chrono Green Khaki - Full Set - Excellent](https://preview.redd.it/956z584tbmef1.jpg?width=640&crop=smart&auto=webp&s=aa6d8375d2ac511628d5c7ec68ca9842296e743c)
AP Royal Oak Offshore Flyback Chrono Green Khaki - Full Set - Excellent
A luxury watch featuring a green dial and khaki accents, part of the Royal Oak Offshore collection.
- Condition: Excellent
- Material: Titanium

Unworn 2025 Audemars Piguet Royal Oak 41mm Green khaki shade. 15510ST.OO.1320ST.09
A brand new, 2025 Audemars Piguet Royal Oak in a 41mm case size with a green khaki shade dial.
- Condition: Unworn
- Case Size: 41mm

Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.
This is an Audemars Piguet Royal Oak Offshore Rubens Barrichello II, a limited edition platinum model. It comes with warranty booklets and a service box.
- Condition: Excellent
- Material: Platinum

Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore
This Audemars Piguet Royal Oak Offshore is in very good condition, with a range of accessories including books, warranty cards, and rubber straps.
- Condition: Very good condition
- Bracelet type: Factory AP steel bracelet
- Additional straps: black rubber, blue rubber
![[WTS] Audemars Piguet Royal Oak Offshore Diver Carbon 15706AU – $22,488 Shipped (2013 Box & Papers)](https://preview.redd.it/ad37y4j6kgef1.jpg?width=640&crop=smart&auto=webp&s=35f4d62da01f41c8182d4571d75e6f91b30a5d77)
Audemars Piguet Royal Oak Offshore Diver Carbon 15706AU – $22,488 Shipped (2013 Box & Papers)
The Audemars Piguet Royal Oak Offshore Diver 15706AU is a lightweight powerhouse with serious wrist presence and collector appeal. Crafted in forged carbon, it's a unique and wearable Offshore model.
- Condition: Good - carbon case beautifully preserved; light signs of wear only
- Material: Forged carbon case, ceramic bezel
- Size: 42mm diameter
- Movement: AP Caliber 3120, running well
![[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Black Forged Carbon Fiber Ceramic - 26400AU](https://preview.redd.it/wchv6f7i0gef1.jpg?width=640&crop=smart&auto=webp&s=a5d962a17edb924488481769bc438f601bd82f53)
[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Black Forged Carbon Fiber Ceramic - 26400AU
A 44mm Audemars Piguet Royal Oak Offshore Chronograph with a carbon fiber case and ceramic bezel, featuring a decorated movement through an open case back.
- Condition: Very Good
- Case size: 44mm
- Material: carbon fiber
- Bezel material: ceramic
![[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue “Beast” - AP 26237ST Full Set](https://preview.redd.it/64c2gn5gxfef1.jpg?width=640&crop=smart&auto=webp&s=b15c17bc794274cb47ae7ff0973d65685ca3b723)
[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue “Beast” - AP 26237ST Full Set
- Condition: Very Good
- Case size: 42mm diameter
- Water resistance: Unknown
- Movement: In-house automatic chronograph

MINT Audemars PIGUET ROYAL OAK DUAL TIME 26120ST STAINLESS STEEL BLUE DIAL 39MM
A 39mm Audemars Piguet Royal Oak Dual Time in stainless steel with a blue dial.
- Condition: Mint, Unpolished
- Case Size: 39mm
- Material: Stainless Steel
- Dial Color: Blue