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

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AP Royal Oak Offshore “Vampire” 26470ST – Full Set – Discontinued Icon

The Audemars Piguet Royal Oak Offshore is a legendary watch with an aggressive design, featuring a black dial and red chronograph accents.

  • Condition: Very good
  • Case diameter: 42mm
  • Movement type: in-house Cal. 3126/3840 automatic movement
  • Crystal material: sapphire
Posted at
Jul 30, 2025, 10:31 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver 42mm AP - 15703ST Box & Papers

Audemars Piguet Royal Oak Offshore Diver 42mm AP - 15703ST Box & Papers

Audemars Piguet - 15703ST · $63,000
A Royal Oak Offshore Diver 42mm in stainless steel, a diver's watch with a bold and sporty design.

  • Case size: 42mm
  • Water resistance: 300m
Posted at
Jul 30, 2025, 1:19 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet - 26237ST · $69,000
This is a 42mm Audemars Piguet Royal Oak Offshore in blue. The watch features a stainless steel case and comes with the original box and papers.

  • Case size: 42mm
  • Box and papers included: true
Posted at
Jul 30, 2025, 1:16 PM
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