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 Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995
This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. The watch features a bold design, unmistakable Offshore character, and serious presence.

  • Condition: Like new
  • Case size: 42mm
  • Case thickness: 15.3mm
  • Water resistance: 100m (10 ATM)
Posted at
Apr 9, 2026, 8:32 AM
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[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet - 26405NR.OO.A002CA.01 · $42,495
This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a 44mm rose gold and black ceramic case, smoked grey dial with Mega Tapisserie pattern, and comes with its original box, papers, and warranty card.

  • Condition: like new condition
  • Case size: 44mm diameter
  • Case material: ceramic
  • Bezel material: 18k rose gold
Posted at
Apr 9, 2026, 8:31 AM
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[WTS] Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet - 26470OR.OO.A125CR.01 · $38,500
The Audemars Piguet Royal Oak Offshore 'Half Brick' features a solid 18k rose gold case with a rhodium dial and silver subdials, providing substantial luxury feel with daily wear comfort.

  • Condition: Phenomenal shape, running great
  • Case size: 42mm diameter
  • Movement: 3126/3840 Automatic
Posted at
Apr 8, 2026, 6:06 PM
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[WTS] 2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps

2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps

Audemars Piguet - 15710ST.OO.A002CA.01 · $17,999
The listing features a 2015 Audemars Piguet Royal Oak Offshore Diver Black in excellent daily wear, with a mega tapisserie large hobnail dial and black lacquered gloss. It comes mounted on a black rubber vulcanized strap with an integrated look, as well as two extra high-quality Vagenari straps.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Calibre 3120 with 60 hour power reserve
  • Water Resistance: 300m depth rating
Posted at
Apr 8, 2026, 5:48 PM
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[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000
The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial with an inner rotating dive bezel and an in-house automatic movement for reliable performance.

  • Condition: Like new condition
  • Case size: 42mm diameter
  • Movement type: In-house automatic movement
Posted at
Apr 8, 2026, 9:33 AM
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[WTS] [US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250

[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250

Audemars Piguet - 26320OR · $49,250
Additional Details:

  • Case material: rose gold
  • Diameter: 41mm
Posted at
Apr 7, 2026, 10:16 AM
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[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

Audemars Piguet - 26470or · $37,000
a luxury chronograph watch from the Royal Oak Offshore collection with a 42mm case size and half brick gray rhodium dial.

Posted at
Apr 7, 2026, 10:12 AM
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[WTS] [US] Audemars Piguet Royal Oak Rose Gold Black Dial 39mm - AP 15300OR - $36,500

[US] Audemars Piguet Royal Oak Rose Gold Black Dial 39mm - AP 15300OR - $36,500

Audemars Piguet - AP 15300OR · $36,500
  • Diameter: 39mm
Posted at
Apr 7, 2026, 10:07 AM
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[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 is a bold and iconic take on the Royal Oak, featuring a crisp white dial accented by striking blue chronograph subdials. Its 42mm stainless steel case with octagonal bezel delivers unmistakable wrist presence.

  • Condition: Excellent condition, light signs of wear
  • Case size: 42mm
  • Lug to lug: 54mm
  • Thickness: 14mm
Posted at
Apr 7, 2026, 9:37 AM
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