Audemars Piguet Royal Oak Royal Oak 25554 Perpetual Calendar

Reference 25554ST.O.0344ST.01

About this watch

The Audemars Piguet Royal Oak 25554ST.O.0344ST.01 is a masterpiece of horology, blending elegance and sophistication with technical excellence. Produced in 1981, this perpetual calendar watch marked a significant point in horological history, featuring a stainless steel construction and intricate details on the dial. The silver-colored 39mm case strikes an ideal balance between boldness and refinement, while the stick-shaped hands and dot indexes provide easy readability. The Audemars Piguet caliber AP 2120 / 2800 automatic movement is renowned for its precision and reliability, boasting a power reserve of 40 hours and operating at a frequency of 21,600 vibrations per hour. With 38 jewels, this extra-thin movement is a testament to the brand's engineering prowess. The Royal Oak 25554 is not only a stunning timepiece but also a valuable investment, holding its value well due to its heritage and craftsmanship. Its ergonomic design makes it surprisingly comfortable on the wrist, while the stainless steel bracelet is both stylish and adjustable.
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Key Features

  • 39mm stainless steel case
  • Silver-colored dial with stick-shaped hands and dot indexes
  • Perpetual calendar functionality
  • Audemars Piguet Caliber AP 2120 / 2800 automatic movement
  • 38 jewels, power reserve of 40 hours, frequency of 21,600 vibrations per hour
  • Sapphire glass for scratch protection
  • Water-resistant to a certain extent

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak 25554 Perpetual Calendar
Reference
25554ST.O.0344ST.01
Movement
ap-2120-2800
Movement Features
  • Hours, Minutes
  • Date, Day, Month, Perpetual Calendar
Case
Stainless Steel 39mm
Dial Color
Silver
Crystal
Sapphire

Current Listings

[WTS] 2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers

2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers

Audemars Piguet - 26170ST · $20,500
The Audemars Piguet Royal Oak Chronograph 42mm features a crisp white dial, blue chronograph subdials, and a stainless steel case with an octagonal bezel. This watch has a bold and iconic design, combining sport and practicality.

  • Condition: Excellent condition with light signs of wear
  • Case size: 42mm diameter
  • Lug to lug: 54mm
  • Thickness: 14mm
Posted at
Apr 14, 2026, 9:39 AM
Active
[WTS] Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

This 44mm Royal Oak Tourbillon Chronograph features a black 'Méga Tapisserie' dial and exposed tourbillon at 6 o'clock, with a rubber-clad bezel providing an industrial contrast against the brushed stainless steel case.

  • Condition: Excellent condition with little to no signs of wear
  • Case size: 44mm
  • Case thickness: 13.2mm
  • Movement caliber: 2889
Posted at
Apr 13, 2026, 8:22 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

This is a black dial Audemars Piguet Royal Oak Offshore Chronograph, a model known for its sporty and elegant design, featuring a rubber strap with a DB buckle.

  • Condition: Lightly Used
  • Band type: Rubber
  • Buckle type: DB buckle
Posted at
Apr 13, 2026, 3:36 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
This is a rare 1995 Audemars Piguet Royal Oak 120th Anniversary LE watch with a stainless steel bracelet, blue dial and tritium lume. The watch has been manually observed to keep accurate time and all functions are working as expected.

  • Condition: Minimal wear, excellent condition overall
  • Case Diameter: 33mm
  • Lug Width: 23.5mm
  • Thickness: 5.8mm
Posted at
Apr 12, 2026, 6:21 PM
Active
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
Active
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
Audemars PIGUET ROYAL OAK JUMBO ULTRA THIN 15202ST BLUE DIAL 2018 FULL SET

Audemars PIGUET ROYAL OAK JUMBO ULTRA THIN 15202ST BLUE DIAL 2018 FULL SET

A 2018 Audemars Piguet Royal Oak Jumbo Extra-Thin in stainless steel with a blue dial, featuring a 39mm case size.

  • Condition: Excellent Condition
  • Case Size: 39mm
  • Diameter: 39mm
  • Year: 2018
Posted at
Apr 4, 2025, 9:08 PM
Active