Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Silver

Reference 25820ST.OO.0944ST.03

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, combining classic elegance with advanced mechanics. Crafted from high-quality stainless steel, this watch features a silver dial and sapphire glass that captures light beautifully. The open case back reveals the exquisite AP 2120 / 2802 automatic movement, boasting functions including hours, minutes, date, day, leap year, month, and a perpetual calendar. Notable features include an extra-thin movement, moonphase complication, and water resistance of 20 meters. This timepiece exudes sophistication, making it suitable for any occasion. As an investment, the Royal Oak Perpetual Calendar retains or increases in value over time, offering unparalleled craftsmanship and a rich heritage. With its stunning aesthetics and advanced movement, this watch is designed to be treasured for generations.
Buy Now on Jomashop
This is an affiliate link
MSRP: $40,500
Market Price: $109,775

Key Features

  • Automatic AP 2120 / 2802 movement
  • Perpetual calendar with leap year adjustment
  • Moonphase complication with Physical Vapor Deposited metal on sapphire
  • Water resistance of 20 meters
  • Extra-thin movement (28.40 mm in diameter)
  • Sapphire glass for scratch-resistance and crystal clarity
  • Stainless steel case with silver dial

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Stainless Steel / Silver
Reference
25820ST.OO.0944ST.03
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
Stainless Steel 39mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
20

Current Listings

[WTS] Audemars Piguet Royal Oak 6014ba ($39,500)

Audemars Piguet Royal Oak 6014ba ($39,500)

Audemars Piguet - 6014BA · $39,500
This Audemars Piguet Royal Oak is a solid 18K gold watch with a quartz movement, suitable for a 7-inch wrist.

  • Condition: really nice
  • Material: solid 18K gold
  • Wrist size compatibility: roughly 7 inch
Posted at
Feb 13, 2026, 4:22 PM
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

The watch is a 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a smoked grey dial.

  • Condition: Like new
  • Case size: 44mm
  • Movement caliber: 3126/3840
  • Power reserve: 50 hours
Posted at
Feb 13, 2026, 9:05 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet - 26470IO · $26,800
Up for sale is an Audemars Piguet Royal Oak Offshore Ref. 26470IO, one of the most striking modern Offshore configurations. The titanium case paired with the gray ceramic bezel gives this piece a rugged, stealth-luxury presence, while still wearing comfortably thanks to the lightweight build.

  • Condition: Great
  • Case Material: titanium
  • Bezel Material: gray ceramic
  • Movement: AP automatic chronograph movement
Posted at
Feb 12, 2026, 11:14 AM
Active
[WTS] Audemars Piguet Royal Oak 15300OR – Rose Gold - Watch Only

Audemars Piguet Royal Oak 15300OR – Rose Gold - Watch Only

Audemars Piguet - 15300OR · $28,500
This Audemars Piguet Royal Oak reference 15300OR features a 39mm 18k rose gold case with a classic white Grande Tapisserie dial, powered by the in-house AP Calibre 3120 automatic movement. It comes with both a brown alligator leather strap and an additional white rubber strap for different wear options.

  • Condition: Very good pre-owned condition
  • Case Size: 39mm
  • Material: 18k Rose Gold
  • Dial: White “Grande Tapisserie”
Posted at
Feb 12, 2026, 8:43 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver 42mm Funky Green 15710ST.OO.A038CA.01

Audemars Piguet Royal Oak Offshore Diver 42mm Funky Green 15710ST.OO.A038CA.01

This Audemars Piguet Royal Oak Offshore Diver is a 42mm Funky Green timepiece with a stainless steel case and rubber band, featuring an automatic movement, sapphire crystal, and a water resistance of 300 meters. The watch comes with its outer box, inner green box, instruction manual, and warranty manual.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Water resistance: 300 meters
  • Movement: Automatic
Posted at
Feb 11, 2026, 8:53 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Limited Edition

Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Limited Edition

This limited edition Royal Oak Offshore features a forged carbon fiber case, cermet bezel and other components, and an open display case back signed by F1 legend Jarno Trulli.

  • Condition: Excellent condition with very few signs of wear
  • Case material: Forged carbon fiber
  • Bezel material: Cermet
Posted at
Feb 11, 2026, 5:04 PM
Active
[WTS] 2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

Audemars Piguet - 26240CE · $112,000
The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design executed in full black ceramic, delivering a bold yet refined presence.

  • Condition: Brand new condition
  • Size: 41mm diameter
  • Length: 51.4mm lug to lug
  • Thickness: 12.4mm thick
Posted at
Feb 11, 2026, 8:06 AM
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

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release, featuring a bold design and unmistakable Offshore character with a 42mm case and full ceramic build.

  • Condition: Like new with no signs of wear
  • Case size: 42mm
  • Case thickness: 15.3mm
  • Water resistance: 100m (10 ATM)
Posted at
Feb 10, 2026, 9:13 AM
Active