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.
Buy Now on Jomashop
This is an affiliate link

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] Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

This 44mm Royal Oak Tourbillon Chronograph features a black 'Méga Tapisserie' dial and exposed tourbillon at 6 o'clock, with a rubber-clad bezel providing an industrial contrast against the brushed stainless steel case.

  • Condition: Excellent condition with little to no signs of wear
  • Case size: 44mm
  • Case thickness: 13.2mm
  • Movement caliber: 2889
Posted at
Apr 13, 2026, 8:22 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

This is a black dial Audemars Piguet Royal Oak Offshore Chronograph, a model known for its sporty and elegant design, featuring a rubber strap with a DB buckle.

  • Condition: Lightly Used
  • Band type: Rubber
  • Buckle type: DB buckle
Posted at
Apr 13, 2026, 3:36 AM
Active
[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800
This is a rare 1995 Audemars Piguet Royal Oak 120th Anniversary LE watch with a stainless steel bracelet, blue dial and tritium lume. The watch has been manually observed to keep accurate time and all functions are working as expected.

  • Condition: Minimal wear, excellent condition overall
  • Case Diameter: 33mm
  • Lug Width: 23.5mm
  • Thickness: 5.8mm
Posted at
Apr 12, 2026, 6:21 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST

Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST

Audemars Piguet - 26470ST · $19,950
The Audemars Piguet Royal Oak Offshore Chronograph 'Vampire' ref. 26470ST is a highly sought-after model with a bold design and 42mm size.

  • Condition: Good overall condition with minimal visible scratches
  • Case size: 42mm
  • Movement type: Automatic
  • Crystal material: Sapphire
Posted at
Apr 11, 2026, 1:40 AM
Active
[WTS] Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k

Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k

Audemars Piguet - 26240ST · $62,500
The watch being listed is an Audemars Piguet Royal Oak Chrono Black, a high-end luxury timepiece with a black dial. It features a chronograph function and comes with a full kit, including the box, warranty, and manuals.

  • Condition: Brand New
  • Country of origin: Switzerland
  • Shipping from: Singapore
Posted at
Apr 10, 2026, 12:56 PM
Active
[WTS] Audemars Piguet Lady Royal Oak Quartz – BOX & PAPERS – 67651ST

Audemars Piguet Lady Royal Oak Quartz – BOX & PAPERS – 67651ST

The Lady Royal Oak Quartz features a silver dial, 40 diamond bezel, and a stainless steel case diameter of 33mm.

  • Condition: Excellent condition, little to no visible wear
  • Movement: Cal 2713 Quartz
  • Case material: Stainless steel with 40 brilliant-cut diamonds, ~0.71 carats on the bezel
  • Case diameter: 33-millimeter
Posted at
Apr 10, 2026, 12:05 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. The watch features a bold design, unmistakable Offshore character, and serious presence.

  • Condition: Like new
  • Case size: 42mm
  • Case thickness: 15.3mm
  • Water resistance: 100m (10 ATM)
Posted at
Apr 9, 2026, 8:32 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a 44mm rose gold and black ceramic case, smoked grey dial with Mega Tapisserie pattern, and comes with its original box, papers, and warranty card.

  • Condition: like new condition
  • Case size: 44mm diameter
  • Case material: ceramic
  • Bezel material: 18k rose gold
Posted at
Apr 9, 2026, 8:31 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

The Audemars Piguet Royal Oak Offshore 'Half Brick' features a solid 18k rose gold case with a rhodium dial and silver subdials, providing substantial luxury feel with daily wear comfort.

  • Condition: Phenomenal shape, running great
  • Case size: 42mm diameter
  • Movement: 3126/3840 Automatic
Posted at
Apr 8, 2026, 6:06 PM
Active