Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Dark Blue

Reference 25820ST.OO.0944ST.04

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar 25820ST.OO.0944ST.04 is an exquisite timepiece that embodies elegance, innovation, and luxury. This masterpiece boasts a stunning dark blue dial, perfectly complemented by the stainless steel case. The iconic octagonal bezel and integrated bracelet add to its timeless appeal. With its extra-thin automatic movement, this watch features a plethora of complications, including a perpetual calendar that automatically adjusts for months with varying lengths and leap years. The moonphase complication is crafted with Physical Vapor Deposited (PVD) metal on sapphire, adding a touch of celestial elegance. The dial's intricate details, such as the stick and dot indexes and slender stick-style hands, make it easy to read in any light condition. The watch's water resistance of 20 meters makes it ideal for everyday wear. Whether you're at the office or attending a formal event, this watch adapts effortlessly to any environment. Its lightweight profile and smooth stainless steel make it a pleasure to wear.
Buy Now on Jomashop
This is an affiliate link
MSRP: $40,500
Market Price: $109,775

Key Features

  • Extra-thin automatic movement with perpetual calendar
  • Moonphase complication crafted with Physical Vapor Deposited (PVD) metal on sapphire
  • Iconic octagonal bezel and integrated bracelet design
  • Stainless steel case with dark blue dial and subtle texture
  • Water resistance of 20 meters for everyday wear
  • Lightweight profile and smooth stainless steel for comfortable wear

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Stainless Steel / Dark Blue
Reference
25820ST.OO.0944ST.04
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
20

Current Listings

Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial 26471SR – Full Set

Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial 26471SR – Full Set

The watch is a striking two-tone edition of the Royal Oak Offshore Chronograph with a stainless steel case and 18-carat rose gold bezel, hands, and links. The blue dial showcases the distinctive “Méga Tapisserie” pattern.

  • Condition: Excellent, complete working order and keeping great time
  • Case size: 42mm
  • Materials: stainless steel and 18-carat rose gold
  • Dial color: blue
Posted at
May 13, 2025, 7:03 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial 15703ST BOXES/PAPERS

Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial 15703ST BOXES/PAPERS

This Audemars Piguet Royal Oak Offshore Diver is a 42mm black dial watch with a stainless steel case, automatic movement, and 300m water resistance. It comes with an inner rotating ring and a brand new rubber strap.

  • Condition: Excellent pre-owned with minor cosmetic wear
  • Case diameter: 42mm
  • Water resistance: 300 Meters
  • Movement type: Automatic
Posted at
May 13, 2025, 4:25 PM
Active
[WTS] 2022 Audemars Piguet Royal Oak Offshore Chronograph “Tiffany” Blue Dial – Complete Set – Reference 26238ST.OO.A340CA.01

2022 Audemars Piguet Royal Oak Offshore Chronograph “Tiffany” Blue Dial – Complete Set – Reference 26238ST.OO.A340CA.01

The Audemars Piguet Royal Oak Offshore Chronograph features a 42mm stainless steel case and bezel, paired with the iconic Méga Tapisserie pattern blue dial.

  • Condition: Excellent
  • Case size: 42mm
  • Diameter: 42mm
  • Straps included: 2
Posted at
May 13, 2025, 3:59 PM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Grand Prix 26290IO

[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Grand Prix 26290IO

The Audemars Piguet Royal Oak Offshore Grand Prix embodies the powerful tie between watches and motor racing, ideal for anyone who appreciates complex mechanics. This limited edition timepiece features a 44mm forged carbon case and a slick black Méga Tapisserie patterned dial with vibrant red accents that enhance the motorsport-inspired aesthetic.

  • Condition: Very Good
  • Case material: forged carbon
  • Diameter: 44mm
Posted at
May 13, 2025, 3:21 PM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial AP 15710ST - Full Set

[US] Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial AP 15710ST - Full Set

A 42mm Audemars Piguet Royal Oak Offshore Diver with a black dial, open case back, and 300 meters of water resistance.

  • Condition: Very Good
  • Water Resistance Depth Rating: 300m
  • Case Diameter: 42mm
Posted at
May 13, 2025, 3:11 PM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial 26471SR - Full Set

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial 26471SR - Full Set

This Audemars Piguet Royal Oak Offshore Chronograph is a rare collector's item, one of only 300 pieces made as part of the Bucherer Blue Editions series. It features a stainless steel case and 18-carat rose gold bezel, hands, and links, contrasting with its blue dial showcasing the distinctive 'Méga Tapisserie' pattern.

  • Condition: Very Good
  • Case size: 42mm
  • Material: stainless steel and 18-carat rose gold
  • Dial color: blue
Posted at
May 13, 2025, 3:07 PM
Active
Audemars Piguet Royal Oak Offshore Chronograph “Volcano” 26170ST.OO.D101CR.01 Stainless Steel 42mm

Audemars Piguet Royal Oak Offshore Chronograph “Volcano” 26170ST.OO.D101CR.01 Stainless Steel 42mm

The Audemars Piguet Royal Oak Offshore Chronograph “Volcano” is a stainless steel watch with a mechanical automatic movement, featuring a chronograph function and measuring 42mm in size.

  • Condition: 90%
  • Case material: Stainless Steel
  • Movement type: Mechanical Automatic
Posted at
May 13, 2025, 10:45 AM
Active
Audemars Piguet Royal Oak Chronograph 50th Anniversary 41MM Black Dial Black Ceramic COMPLETE SET MINT CONDITION 26240CE.OO.1225CE.01

Audemars Piguet Royal Oak Chronograph 50th Anniversary 41MM Black Dial Black Ceramic COMPLETE SET MINT CONDITION 26240CE.OO.1225CE.01

A black ceramic chronograph watch with a '50-years' commemorative rotor, introduced in 2022 to celebrate the Royal Oak's 50th anniversary.

  • Condition: Mint condition
  • Case size: 41MM
  • Material: Ceramic
  • Movement type: Self-winding
Posted at
May 13, 2025, 9:55 AM
Active
[WTS] Audemars Piguet Royal Oak - 33mm Quartz. Serviced, BMW Japan customer of the year 1988 caseback. Watch only no trades. $11,250

Audemars Piguet Royal Oak - 33mm Quartz. Serviced, BMW Japan customer of the year 1988 caseback. Watch only no trades. $11,250

A 33mm Quartz Royal Oak from Audemars Piguet with a serviced movement and a unique caseback featuring BMW Japan's customer of the year 1988 logo.

  • Condition: serviced
  • Caseback: BMW Japan customer of the year 1988
Posted at
May 12, 2025, 8:49 PM
Active