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] 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 is a 42mm Audemars Piguet Royal Oak Offshore Diver with a funky green dial, featuring an automatic movement and a water resistance of 300 meters.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Band material: Rubber, Fizzy Lime Green
  • Bezel material: Stainless Steel with Inner Bezel Diving Scale
Posted at
Apr 23, 2026, 5:11 PM
Active
[WTS] AUDEMARS PIGUET Royal Oak 43mm Offshore Rose Gold Titanium 26420OI.OO.A015VE.01

AUDEMARS PIGUET Royal Oak 43mm Offshore Rose Gold Titanium 26420OI.OO.A015VE.01

This AUDEMARS PIGUET Royal Oak Offshore has an unrivaled luxury look with its contrasting rose gold case and titanium bezel, paired with a grey dial and textured calfskin strap.

  • Condition: Excellent condition
  • Case material: 18k rose gold and titanium
  • Diameter: 43mm
  • Strap material: grey textured calfskin
Posted at
Apr 23, 2026, 1:21 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 15703ST $17000

Audemars Piguet Royal Oak Offshore 15703ST $17000

Audemars Piguet - 15703ST · $17,000
Additional Details: Have for sale, my AP ROO 15703ST.

  • Year traded for: 2021
Posted at
Apr 22, 2026, 5:37 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Panda 26170ST

Audemars Piguet Royal Oak Offshore Panda 26170ST

Audemars Piguet - 26170ST · $16,900
a classic and sought-after Audemars Piguet Royal Oak Offshore reference, perfect for first-time AP buyers.

  • Era: pre-ceramic
  • Model type: Panda
Posted at
Apr 21, 2026, 10:04 AM
Active
[WTS] [US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST Full Set - $115,000

[US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST Full Set - $115,000

Audemars Piguet - 26574ST · $115,000
Audemars Piguet Royal Oak Perpetual Calendar in 41mm with blue dial for sale. This AP is a full set and comes in excellent condition.

Posted at
Apr 20, 2026, 5:40 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Grand Prix Edition 26290IO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Grand Prix Edition 26290IO.OO.A001VE.01 ♦️Lightly Used 2010♦️

This is a lightly used Audemars Piguet Royal Oak Offshore Grand Prix Edition, dated Q2 2010, and comes with its full set including box and papers.

  • Condition: Lightly Used
  • Year Of Manufacture: 2010
  • Comes With Box And Papers: true
  • Payment Methods: Bank Wire / Credit card (+4.9%) / Crypto
Posted at
Apr 20, 2026, 2:00 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore RB2  26078IO.OO.D001V5.01 ♦️Lightly Used 2007♦️

Audemars Piguet Royal Oak Offshore RB2 26078IO.OO.D001V5.01 ♦️Lightly Used 2007♦️

This is a lightly used Audemars Piguet Royal Oak Offshore RB2 from 2007, featuring a full set of box and papers.

  • Condition: Lightly Used
  • Year: 2007
  • Calibre: Calibre 65
  • Box And Papers: yes
Posted at
Apr 20, 2026, 1:55 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
A 1995 limited edition Royal Oak Anniversary watch with a stainless steel case and blue dial, featuring a quartz movement.

  • Condition: Excellent, minimal wear with a couple faint marks and tiny nicks present
  • Case diameter: 33mm
  • Lug width: 23.5mm
  • Thickness: 5.8mm
Posted at
Apr 19, 2026, 8:40 PM
Active