Audemars Piguet Royal Oak Royal Oak 25554 Perpetual Calendar

Reference 25554ST.O.0344ST.01

Audemars Piguet Royal Oak 25554 Perpetual Calendar

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] AUDEMARS PIGUET Royal Oak 37mm Grey Dial Stainless Steel 15450ST.OO.1256ST.02

AUDEMARS PIGUET Royal Oak 37mm Grey Dial Stainless Steel 15450ST.OO.1256ST.02

AUDEMARS PIGUET - 15450ST.OO.1256ST.02 · $34,900
The AUDEMARS PIGUET Royal Oak 37mm Grey Dial Stainless Steel is a modern classic in the Royal Oak family, featuring a 37mm stainless steel case and a beautifully detailed grey dial.

  • Condition: Excellent
  • Case Size: 37mm diameter
  • Dial Color: Grey
Posted at
Jun 17, 2025, 2:11 PM
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[WTS] AUDEMARS PIGUET Royal Oak Offshore "The Beast" Blue 42mm 26237ST.OO.1000ST.01

AUDEMARS PIGUET Royal Oak Offshore "The Beast" Blue 42mm 26237ST.OO.1000ST.01

Audemars Piguet - 26237ST.OO.1000ST.01 · $30,900
This Audemars Piguet Royal Oak Offshore "The Beast" is a limited release celebrating the 25th anniversary of the original model, featuring a 42mm stainless steel case and updated technology.

  • Condition: Excellent condition
  • Case size: 42mm diameter
Posted at
Jun 17, 2025, 1:58 PM
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Audemars Piguet Royal Oak Offshore Dark Knight Box & Papers 26470SO.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Dark Knight Box & Papers 26470SO.OO.A002CA.01

Audemars Piguet - 26470SO.OO.A002CA.01 · $24,500.002
The Audemars Piguet Royal Oak Offshore is a highly recognizable watch with a black/red color combo and upgraded ceramic bezel, known as the 'Dark Knight'. This version comes with various upgrades that AP has nailed.

  • Condition: Excellent condition
  • Case material: Titanium
  • Bezel material: Ceramic
  • Water resistance depth rating: 120m
Posted at
Jun 17, 2025, 12:18 PM
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[WTS] Audemars Piguet Royal Oak Offshore Diver B+P Fresh Service 15703st

Audemars Piguet Royal Oak Offshore Diver B+P Fresh Service 15703st

Audemars Piguet - 15703ST.OO.A002CA.01 · $17,500
The Audemars Piguet Royal Oak Offshore Diver is a luxury sports watch with a rotating inner bezel and water resistance of 300 meters.

  • Condition: Excellent, minimal signs of wear
  • Case diameter: 42mm
  • Case material: Stainless Steel
  • Dial color: Black Méga Tapisserie
Posted at
Jun 16, 2025, 8:24 PM
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[WTS] Audemars Piguet Royal Oak Offshore Chronograph

Audemars Piguet Royal Oak Offshore Chronograph

Audemars Piguet - 25940OK.OOD002CA.02 · $26,500
A stunning Rose Gold edition of the 42 ROO collection, featuring gold trim sub dials and a rubber clad bezel.

  • Condition: Very good condition, slight marks on the case and clasp
  • Case size: 42mm diameter
  • Material: Rose Gold
  • Bezel material: Rubber
Posted at
Jun 15, 2025, 7:12 PM
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Audemars PIGUET ROYAL OAK CHRONOGRAPH 26715ST BLUE DIAL AP SERVICED FULL SET

Audemars PIGUET ROYAL OAK CHRONOGRAPH 26715ST BLUE DIAL AP SERVICED FULL SET

Audemars Piguet - 26715ST.OO.1356ST.01 · $43,675.004
A 2022 Audemars Piguet Royal Oak Chronograph with a 38mm stainless steel case and Bleu Nuit Nuage 50 dial, purchased from the Audemars Piguet Boutique in 2022.

  • Condition: Excellent Condition
  • Case Size: 38mm
  • Diameter: 38mm
  • Material: Stainless Steel
Posted at
Jun 13, 2025, 10:13 PM
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[WTS] Audemars Piguet Royal Oak Offshore Chronograph (Panda) Full Set - 26400SO.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Chronograph (Panda) Full Set - 26400SO.OO.A002CA.01

Audemars Piguet - 26400SO.OO.A002CA.01 · $21,498
The Audemars Piguet Royal Oak Offshore Chronograph Panda features a 44mm case with a bold ceramic bezel, making it an unmistakable statement-maker.

  • Condition: very good condition with faint signs of wear
  • Case size: 44mm
  • Bezel material: ceramic
Posted at
Jun 12, 2025, 1:40 PM
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[WTS] [US] Audemars Piguet Royal Oak 41mm Blue Dial Stainless Steel AP 15400ST - Complete Set

[US] Audemars Piguet Royal Oak 41mm Blue Dial Stainless Steel AP 15400ST - Complete Set

Audemars Piguet - 15400ST.OO.1220ST.03 · $39,875
The Audemars Piguet Royal Oak 41mm Blue Dial Stainless Steel features a 41mm case with an octagonal bezel, a distinguished blue dial with the signature Grande Tapisserie pattern, and a self-winding Caliber 3120 movement.

  • Condition: Very Good
  • Serial number: I
  • Year of production: 2015
  • Movement type: self-winding
Posted at
Jun 12, 2025, 11:28 AM
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[WTS] [US] Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial AP 15710ST - Full Set

[US] Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial AP 15710ST - Full Set

Audemars Piguet - 15710ST.OO.A002CA.01 · $18,750
The Audemars Piguet Royal Oak Offshore Diver features a black dial with white accents, 300 meters of water resistance, and a 42mm case with the iconic Mega Tapisserie dial. It showcases the AP 3120 movement through its open case back.

  • Condition: Very Good
  • Case size: 42mm diameter
  • Movement: AP 3120
  • Water resistance: 300m
Posted at
Jun 12, 2025, 11:06 AM
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