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

NEW Audemars Piguet Royal Oak Offshore Chrono Smoked Taupe 26420SO.OO.A600CA.01

Audemars Piguet - 26420SO.OO.A600CA.01 · $36,000

This is a brand new, 2024 Audemars Piguet Royal Oak Offshore Chrono in Smoked Taupe, reference number 26420SO.OO.A600CA.01. It comes complete with a double box set, warranty card, instructions, and factory-sealed rubber band.

Condition: Like new
Warranty: factory sealed warranty card included
Box Status: minor scuffs on outer box

Posted at

Oct 15, 2025, 11:34 AM

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[US] Audemars Piguet Royal Oak Offshore Chronograph Black Dial Steel AP ‘City of Sails’ - 25979ST

Audemars Piguet - 25979ST · $102,000

Limited edition: Yes, City of Sails
Case size: 43mm diameter

Posted at

Oct 15, 2025, 11:09 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Blue Dial AP 26331ST – Full Set 2021

Audemars Piguet - 26331ST

The watch is a Royal Oak Chronograph with a blue dial and is part of the 2021 collection.

Year: 2021

Posted at

Oct 15, 2025, 11:05 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Blue Dial AP 26331ST – Full Set 2021

Audemars Piguet - 26331ST · $79,900

The listing is for an Audemars Piguet Royal Oak Chronograph in a 41mm case, featuring a blue dial. It comes with additional details such as the full set and being from 2021.

Year: 2021
Set: Full Set

Posted at

Oct 15, 2025, 11:05 AM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Rubberclad - AP 25940OK Full Set

Audemars Piguet - AP 25940OK · $105,000

This Audemars Piguet Royal Oak Offshore Chronograph is a 42mm Rubberclad model, part of the AP 25940OK collection.

Case material: Stainless steel
Diameter: 42mm
Bracelet: Rubber

Posted at

Oct 15, 2025, 10:56 AM

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Audemars Piguet Royal Oak Offshore Chronograph Beast Blue Dial 42mm 25721ST.OO.1000ST.09.A

Audemars Piguet - 25721ST.OO.1000ST.09.A · $28,395

The Audemars Piguet Royal Oak Offshore Chronograph 'Beast' is a 42mm mechanical watch with a blue dial and stainless steel case, featuring a tapisserie texture and octagonal bezel.

Condition: Very good condition with light signs of wear
Case size: 42mm diameter
Water resistance: 100m depth rating
Movement type: Mechanical (Automatic)

Posted at

Oct 15, 2025, 8:47 AM

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Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD 26120BA.OO.D088CR.01

Audemars Piguet - 26120BA.OO.D088CR.01 · $40,000

This beautiful Audemars Piguet Royal Oak Dual Time in 39mm YELLOW GOLD is a rare Yellow Gold version, featuring an automatic movement, sapphire crystal, and 50 Meters water resistance. It comes with its outer green box, inner wooden box, instruction manual, and original warranty manual.

Condition: nice pre-owned condition with light cosmetic wear
Case diameter: 39mm
Movement: automatic
Crystal type: sapphire

Posted at

Oct 14, 2025, 4:34 PM

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Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial 15703ST BOXES/PAPERS

Audemars Piguet - 15703ST.00.A002CA.01 · $18,500

The watch features an inner rotating ring with a diving scale, 42mm case diameter, and is water resistant up to 300 meters.

Condition: Excellent, minor cosmetic wear
Case diameter: 42mm
Water resistance: 300m depth rating
Movement type: Automatic

Posted at

Oct 14, 2025, 4:15 PM

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Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet - 26579CB · $306,899

This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.

Condition: Mint
Case material: White ceramic
Dial color: Blue

Posted at

Apr 8, 2025, 1:20 PM

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