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] 1990s Audemars Piguet Royal Oak Dual Time ref. 25730ST - Just serviced by AP!

1990s Audemars Piguet Royal Oak Dual Time ref. 25730ST - Just serviced by AP!

Audemars Piguet - 25730ST · $24,250
A 1990s Audemars Piguet Royal Oak Dual Time with a stainless steel case, black dial, and LumiNova lume. The watch has been recently serviced by Audemars Piguet and is in good working order.

  • Condition: Excellent, normal wear on case
  • Case diameter: 36mm
  • Lug width: 23.5mm
  • Thickness: 9.8mm
Posted at
Oct 19, 2025, 8:27 PM
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[WTS] Audemars Piguet Royal Oak Offshore Chronograph 43mm Blue Dial Titanium 26420TI.OO.A027CA.01 B+P Excellent Condition

Audemars Piguet Royal Oak Offshore Chronograph 43mm Blue Dial Titanium 26420TI.OO.A027CA.01 B+P Excellent Condition

Audemars Piguet - 26420TI.OO.A027CA.01 · $31,500
The Audemars Piguet Royal Oak Offshore Chronograph features a lightweight titanium case, blue dial and flyback chronograph powered by Caliber 4401.

  • Condition: Excellent
  • Case material: Titanium
  • Dial color: Blue
  • Water resistance: 100m
Posted at
Oct 18, 2025, 12:02 PM
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[WTS] Audemars Piguet Royal Oak Offshore 42mm – Panda Dial – Full Set + Extra Straps – $20,000

Audemars Piguet Royal Oak Offshore 42mm – Panda Dial – Full Set + Extra Straps – $20,000

Audemars Piguet - 26470ST.OO.A801CR.01 · $20,000
This Audemars Piguet Royal Oak Offshore Chronograph features a stainless steel case, black ceramic bezel, and the highly sought-after white 'Panda' Mega Tapisserie dial. The watch is powered by the AP automatic Calibre 3126/3840 chronograph movement and has a water resistance of 100m.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Bezel Material: black ceramic
  • Crystal: sapphire (front and display caseback)
Posted at
Oct 17, 2025, 5:57 PM
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[WTS] Audemars Piguet Royal Oak Offshore Chrono Grey Dial 44mm 26400IO.OO.A004CA.01

Audemars Piguet Royal Oak Offshore Chrono Grey Dial 44mm 26400IO.OO.A004CA.01

Audemars Piguet - 26400IO.OO.A004CA.01 · $21,650
This is a Royal Oak Offshore Chrono with a grey dial and 44mm case size.

  • Condition: Very good condition, showing light signs of wear.
  • Box And Papers: Included
Posted at
Oct 17, 2025, 9:06 AM
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[WTS]2022 Audemars Piguet Royal Oak 15550ST 50th Anniversary 37mm Light Blue Dial

2022 Audemars Piguet Royal Oak 15550ST 50th Anniversary 37mm Light Blue Dial

Audemars Piguet - 15550ST.OO.1356ST.04 · $52,500
2022 Audemars Piguet Royal Oak 15550ST 50th Anniversary 37mm Light Blue Dial, a beautiful timepiece in excellent condition.

  • Condition: Like new, virtually no signs of wear
  • Band Material: Stainless Steel
  • Case Diameter: 37 mm
  • Crystal: Sapphire
Posted at
Oct 16, 2025, 10:09 PM
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[WTS] Audemar Piguet Royal Oak Chrono - White Dial 26320ST - Box & Papers

Audemar Piguet Royal Oak Chrono - White Dial 26320ST - Box & Papers

Audemars Piguet - 26320ST
The seller is listing an Audemar Piguet Royal Oak Chrono with a white dial, which includes the box and papers.

  • Dial color: white
  • Case material: stainless steel
Posted at
Oct 16, 2025, 10:32 AM
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[WTS] Audemars Piguet Royal Oak 41 Black Dial 15400ST — Like New Condition, Watch Only

Audemars Piguet Royal Oak 41 Black Dial 15400ST — Like New Condition, Watch Only

Audemars Piguet - 15400ST · $32,000
The Audemars Piguet Royal Oak 41 Black Dial 15400ST is an icon of modern luxury watchmaking, blending sportiness and refinement in perfect harmony. Its signature “Grande Tapisserie” black dial, octagonal bezel, and integrated stainless steel bracelet showcase the unmistakable Royal Oak design.

  • Condition: Like new condition
  • Diameter: 41mm
  • Lug to lug: 51.6mm
  • Thickness: 9.8mm
Posted at
Oct 16, 2025, 9:50 AM
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[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

Audemars Piguet - 15710ST.OO.A038CA.01 · $32,000
This Audemars Piguet Royal Oak Offshore Diver 42mm is a Funky Green edition watch with a stainless steel case and rubber band, featuring an automatic movement and a sapphire crystal. The watch has a water resistance of 300 meters and a power reserve of 60 hours.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Water resistance depth rating: 300m
Posted at
Oct 15, 2025, 4:51 PM
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[WTS] AUDEMARS PIGUET Royal Oak Offshore “Brick” Yellow Gold Blue Dial 26470BA.OO.1000BA.01

AUDEMARS PIGUET Royal Oak Offshore “Brick” Yellow Gold Blue Dial 26470BA.OO.1000BA.01

Audemars Piguet - 26470BA.OO.1000BA.01 · $89,500
The Audemars Piguet Royal Oak Offshore is a bold and powerful timepiece, featuring a 42mm 18k yellow gold case, a striking blue dial, and a robust chronograph function.

  • Condition: Excellent
  • Case material: 18k yellow gold
  • Dial color: Blue
Posted at
Oct 15, 2025, 12:40 PM
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