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

2025 Audemars Piguet Royal Oak Chronograph 26240OR — Brand New Condition With Original Box & Papers

Audemars Piguet - 26240OR · $70,000

The Audemars Piguet Royal Oak Chronograph 26240OR is a 41mm chronograph in rose gold with a black dial and hand-stitched alligator strap. It features an in-house Caliber 4401 with flyback functionality.

Condition: Brand new
Case size: 41mm diameter
Lug to lug length: 51.5mm
Thickness: 12.4mm

Posted at

Jul 23, 2025, 9:11 AM

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AP Royal Oak Offshore Flyback Chrono Green Khaki - Full Set - Excellent

Audemars Piguet - 26530PT.ZP.002 · $64,500

A luxury watch featuring a green dial and khaki accents, part of the Royal Oak Offshore collection.

Condition: Excellent
Material: Titanium

Posted at

Jul 23, 2025, 8:33 AM

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Unworn 2025 Audemars Piguet Royal Oak 41mm Green khaki shade. 15510ST.OO.1320ST.09

Audemars Piguet - 15510ST.OO.1320ST.09 · $45,950.005

A brand new, 2025 Audemars Piguet Royal Oak in a 41mm case size with a green khaki shade dial.

Condition: Unworn
Case Size: 41mm

Posted at

Jul 22, 2025, 10:42 PM

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Audemars Piguet Royal Oak Offshore Rubens Barrichello II 26078PO.OO.D018CR.01 Platinum.

Audemars Piguet - 26078PO.OO.D018CR.01 · $74,000.007

This is an Audemars Piguet Royal Oak Offshore Rubens Barrichello II, a limited edition platinum model. It comes with warranty booklets and a service box.

Condition: Excellent
Material: Platinum

Posted at

Jul 22, 2025, 10:42 PM

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Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore

Audemars Piguet - 26470ST.00.A028CR.01 · $20,900.002

This Audemars Piguet Royal Oak Offshore is in very good condition, with a range of accessories including books, warranty cards, and rubber straps.

Condition: Very good condition
Bracelet type: Factory AP steel bracelet
Additional straps: black rubber, blue rubber

Posted at

Jul 22, 2025, 10:40 PM

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Audemars Piguet Royal Oak Offshore Diver Carbon 15706AU – $22,488 Shipped (2013 Box & Papers)

Audemars Piguet - 15706AU · $22,488

The Audemars Piguet Royal Oak Offshore Diver 15706AU is a lightweight powerhouse with serious wrist presence and collector appeal. Crafted in forged carbon, it's a unique and wearable Offshore model.

Condition: Good - carbon case beautifully preserved; light signs of wear only
Material: Forged carbon case, ceramic bezel
Size: 42mm diameter
Movement: AP Caliber 3120, running well

Posted at

Jul 22, 2025, 1:10 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Black Forged Carbon Fiber Ceramic - 26400AU

Audemars Piguet - 26400AU.OO.A002CA.01 · $22,250

A 44mm Audemars Piguet Royal Oak Offshore Chronograph with a carbon fiber case and ceramic bezel, featuring a decorated movement through an open case back.

Condition: Very Good
Case size: 44mm
Material: carbon fiber
Bezel material: ceramic

Posted at

Jul 22, 2025, 11:19 AM

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