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.
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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

[WTS] 2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

Audemars Piguet - 15551ST · $47,000
The Audemars Piguet Royal Oak Diamond Bezel combines the collection’s signature sporty elegance with a refined touch of luxury, featuring an iconic octagonal bezel set with brilliant-cut diamonds and a "Grande Tapisserie" silver-toned dial.

  • Condition: Like new condition
  • Dimensions: 37mm diameter, 45mm lug to lug, and 9.1mm thick
  • Includes: Original box & papers
  • Shipping: Free shipping to US addresses (international at additional cost)
Posted at
Nov 3, 2025, 8:02 AM
Active
[WTS] Seiko AP Royal Oak MOD

Seiko AP Royal Oak MOD

This is a modified version of the Seiko AP Royal Oak, which is being sold as part of a sale.

  • Condition: Brand new
  • Payment methods: Venmo, PayPal
Posted at
Nov 1, 2025, 6:06 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

This Audemars Piguet Royal Oak Offshore Chronograph, known as the “Vampire” has a black dial and blood red accents. The watch is available in 42mm.

  • Condition: Great pre-owned condition with very little faint signs of wear
  • Case size: 42mm diameter
  • Materials included: Watch, inner box, outer box, branded polish cloth
Posted at
Oct 31, 2025, 3:10 PM
Active
[WTS] 2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

The Audemars Piguet Royal Oak Chronograph features a stainless steel case, silver/white 'Grande Tapisserie' dial and integrated bracelet, powered by the in-house Caliber 4401 with flyback chronograph functionality, 70-hour power reserve and a sapphire caseback.

  • Condition: Excellent
  • Case size: 41mm
  • Water resistance: unknown
  • Movement: in-house Caliber 4401
Posted at
Oct 31, 2025, 10:46 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST – Full Set + 2 Straps – Excellent Condition (2017) – Dallas TX

Audemars Piguet Royal Oak Offshore “Vampire” 26470ST – Full Set + 2 Straps – Excellent Condition (2017) – Dallas TX

The Audemars Piguet Royal Oak Offshore Chronograph features a striking black Mega Tapisserie dial with red accents, and comes with additional details such as an AP Calibre 3126/3840 automatic chronograph and 42mm stainless steel case.

  • Condition: 9.9/10 - near mint
  • Case size: 42mm diameter
  • Movement: AP Calibre 3126/3840 automatic chronograph
  • Power reserve: ~50 hour
Posted at
Oct 31, 2025, 10:45 AM
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Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet - 26579CB · $306,899
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.

  • Condition: Mint
  • Case material: White ceramic
  • Dial color: Blue
Posted at
Apr 8, 2025, 1:20 PM
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Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.

  • Condition: Mint Condition
  • Box: Yes, original box included
  • Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
  • Payment Methods: Wire, cryptocurrency, credit card (+4%)
Posted at
Apr 7, 2025, 8:26 PM
Active
NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.

  • Condition: New, unworn (NIB)
  • Case size: 41mm
  • Movement type: Automatic, in-house
Posted at
Apr 7, 2025, 3:20 PM
Active