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

Audemars PIGUET 26401RO ROYAL OAK OFFSHORE 44MM WATCH

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This Audemars Piguet Royal Oak Offshore watch features a 44MM case with ceramic bezel and pusher, coming in 18K Rose Gold with Black rubber band.

  • Case size: 44mm
  • Material: 18K Rose Gold
  • Band material: Black rubber
Posted at
Mar 2, 2025, 8:45 PM
Active
2016 Audemars Piguet 15202ST Royal Oak w/ Full Set

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Audemars Piguet - 15202ST · $58,000
The Royal Oak 15202ST is a 39mm stainless steel watch with a blue dial and integrated H-Link bracelet. It's the spiritual successor to the 5402, maintaining its ultra-thin height.

  • Condition: Excellent
  • Case size: 39mm diameter
  • Material: Stainless Steel
  • Dial color: Blue
Posted at
Mar 2, 2025, 7:52 PM
Active
Audemars Piguet 8638ST Tropical Royal Oak

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The Audemars Piguet 8638ST Tropical Royal Oak is a rare and unique timepiece designed for female clients, featuring a small self-winding caliber and a tropical dial that has developed an even brown patina over time. Its production run was limited to approximately 3,889 timepieces between 1976 and 1990. This particular watch may appeal to those looking for a smaller Royal Oak.

  • Condition: Excellent
  • Diameter: 29mm
  • Case material: Stainless Steel
Posted at
Mar 2, 2025, 7:26 PM
Active
2020 Audemars Piguet 15500ST Royal Oak 41mm Black with Box & Papers

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2020 Audemars Piguet Royal Oak 41mm Black with Box & Papers, in excellent condition.

  • Condition: Excellent
  • Case Size: 41mm
  • Material: Stainless Steel
  • Dial Color: Black
Posted at
Mar 1, 2025, 12:41 PM
Active
Audemars PIGUET ROYAL OAK OFFSHORE STEEL 43MM 26420SO TAUPE DIAL 2022 FULL SET

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A 2022 Audemars Piguet Royal Oak Offshore Steel 43mm with a smoked taupe dial and black ceramic bezel, running perfectly with no issues.

  • Condition: Mint, Unpolished
  • Case Material: Stainless steel
  • Bezel Material: Black ceramic
  • Band Material: Light brown strap with stainless steel pin buckle
Posted at
Feb 28, 2025, 10:28 PM
Active
Audemars Piguet Royal Oak Offshore Chronograph Steel 44mm 26400SO.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Chronograph Steel 44mm 26400SO.OO.A002CA.01

This is a stainless steel Audemars Piguet Royal Oak Offshore Chronograph, measuring 44mm in size and featuring a mechanical automatic movement.

  • Condition: 95%
  • Case material: stainless steel
  • Movement type: mechanical automatic
Posted at
Feb 28, 2025, 11:42 AM
Active
MINT Audemars PIGUET ROYAL OAK 15510ST STAINLESS STEEL GREY DIAL 2024 FULL SET

MINT Audemars PIGUET ROYAL OAK 15510ST STAINLESS STEEL GREY DIAL 2024 FULL SET

This 2024 Audemars Piguet Royal Oak is a newer model with a 41mm stainless steel case and grey dial. It comes in full set condition with double boxes and warranty card.

  • Condition: Mint, Unpolished
  • Material: stainless steel
  • Case size: 41mm
  • Diameter: 41mm
Posted at
Feb 27, 2025, 10:07 PM
Active