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

Reference 25820ST.OO.0944ST.04

Audemars Piguet Royal Oak Perpetual Calendar Stainless Steel / Dark Blue

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] [US] Audemars Piguet Royal Oak Chronograph 39mm Panda Silver Dial - AP 26300ST Full Set

[US] Audemars Piguet Royal Oak Chronograph 39mm Panda Silver Dial - AP 26300ST Full Set

Audemars Piguet - 26300ST
Audemars Piguet Royal Oak Chronograph with a 39mm panda silver dial.

  • Condition: Full Set
  • Diameter: 39mm
Posted at
Jan 16, 2026, 4:55 PM
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[WTS] AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

Audemars Piguet - 26420TI.OO.A027CA.01 · $27,900
This is the stunning Titanium 43mm model with the blue dial and matching rubber strap — lightweight, sporty, and incredibly comfortable on the wrist.

  • Condition: Excellent overall
  • Case material: Titanium
  • Diameter: 43mm
  • Straps included: Blue rubber strap
Posted at
Jan 16, 2026, 3:49 PM
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[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

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495
This is a strong and beautiful rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a 44mm case size, smoked grey dial, and features like chronograph and date.

  • Condition: like new
  • Case size: 44mm diameter
  • Water resistance: 100m (10ATM) depth rating
  • Movement caliber: 3126/3840
Posted at
Jan 16, 2026, 8:10 AM
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[WTS] 1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $305

1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $305

Seiko - 7A38-7280 · $305
The watch is a two-tone, angular, Royal Oak-inspired chrono powered by one of the best quartz movements ever made. It has a slim, sharp design that's more refined than most people would expect from a Seiko. The 7A38-7280 is pure 80s Seiko flex with real horology behind it.

  • Condition: Good condition for its age with some markings on the case and bracelet, mineral crystal in good shape
  • Case Size: 37.3 x 41.5mm
  • Movement Type: quartz
  • Jewels: 15
Posted at
Jan 15, 2026, 5:15 PM
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[WTS] 2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

Audemars Piguet - 26238ST.OO.2000ST.01 · $36,900
2021 Audemars Piguet Royal Oak Offshore Chronograph 42mm with a blue dial and stainless steel case.

  • Box: true
  • Papers: true
  • Manual: true
Posted at
Jan 15, 2026, 3:27 PM
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[WTS] Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

Audemars Piguet - 26470ST.OO.A101CR.01 · $20,895
The watch is an Audemars Piguet Royal Oak Offshore with a black Méga Tapisserie dial and blood-red chronograph accents, powered by the Calibre 3126/3840 self-winding movement.

  • Condition: Excellent
  • Movement: Calibre 3126/3840 self-winding (automatic)
  • Functions: chronograph, date, hours/minutes/seconds, small seconds
  • Power reserve: 50 hours
Posted at
Jan 13, 2026, 11:21 AM
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[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

Audemars Piguet - 26238CD.OO.1300CD.01 · $123,995
This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, ceramic build, and in-house flyback chronograph movement. The 42 mm case delivers classic power in a modern form.

  • Condition: like new
  • Case size: 42 mm
  • Movement caliber: Calibre 4404
  • Power reserve: 70 hours
Posted at
Jan 13, 2026, 8:25 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

Audemars Piguet - Royal Oak 39mm · $30,000
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
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