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

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Audemars Piguet - 26470ST.OO.A101CR.01 · $20,895

The Audemars Piguet Royal Oak Offshore 'Vampire' is a high-end watch with a black Méga Tapisserie dial and blood-red chronograph accents, powered by an in-house Calibre 3126/3840 self-winding movement.

Condition: Excellent
Movement: Calibre 3126/3840 self-winding (automatic)
Functions: chronograph, date, hours/minutes/seconds, small seconds
Power reserve: 50 hours

Posted at

Dec 10, 2025, 9:45 AM

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[US] Audemars Piguet Royal Oak Selfwinding 41mm AP 15400OR Rose Gold Black Dial

Audemars Piguet - AP 15400OR

Posted at

Dec 9, 2025, 6:40 PM

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Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch, Inner Box, and Outer Box

Audemars Piguet - Offshore Chronograph 'Vampire'

42mm Audemars Piguet Royal Oak Offshore Chronograph with the unique 'Vampire' dial, a highly sought-after variant of this popular watch model.

Size: 42mm diameter

Posted at

Dec 9, 2025, 4:37 PM

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Audemars Piguet - 26238CD.OO.1300CD.01 · $129,995

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design with an unmistakable Offshore character, a blue ceramic build, and a 42mm case delivering classic power in a modern form.

Condition: Like new
Case Size: 42 mm
Water Resistance: 100 m (10 ATM)
Movement Caliber: Calibre 4404

Posted at

Dec 9, 2025, 9:06 AM

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Audemars Piguet Royal Oak Offshore Ghost 26170TI 42mm Titanium Full Set - $25,495

Audemars Piguet - 26170TI.OO.1000TI.01 · $25,495

Up for sale is a Audemars Piguet Royal Oak Offshore Ghost Titanium, Reference: 26170TI.OO.1000TI.01, Year: 2014.

Condition: Excellent condition with minimal signs of wear.
Year: 2014
Box Condition: minimal wear
Warranty Book: true

Posted at

Dec 6, 2025, 9:20 AM

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2002 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

Audemars Piguet - 14790ST · $27,000

This 2002 Audemars Piguet Royal Oak Ref. 14790ST features a crisp and excellent blue luminova dial with matching hands in a 36mm case.

Condition: Excellent
Case Size: 36mm
Bracelet Links: 20

Posted at

Dec 5, 2025, 4:46 PM

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Audemars Piguet Royal Oak Offshore "Vampire" Chronograph 42mm 26470ST

Audemars Piguet - 26470ST · $19,100

The Royal Oak Offshore 26470ST “Vampire” features a 42mm stainless steel case, deep-black Méga Tapisserie dial, and striking crimson accents. It has a classic Offshore DNA with a stealthy character defined by red chronograph hands, numerals, and stitching.

Condition: Excellent overall condition
Case size: 42mm diameter
Water resistance: 100m water resistance
Movement: Caliber 3126/3840 automatic chronograph with a 55-hour power reserve

Posted at

Dec 5, 2025, 2:33 PM

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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 · $47,495

A 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a smoked grey mega tapisserie dial, presented in excellent condition.

Condition: like new
Case size: 44mm diameter
Movement type: Mechanical (Automatic)
Power reserve: 50 hours

Posted at

Dec 5, 2025, 9:25 AM

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Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet - 26331BA.OO.1220BA.02 · $199,000

This stunning Royal Oak shines in yellow gold with a rich green dial, one of only 125 pieces ever made. The watch presents in like new condition and comes with its outer box, inner box, straps, booklet, and warranty card.

Condition: like new
Limited edition: one of only 125 pieces ever made
Case size: 41mm diameter
Case thickness: 11mm

Posted at

Dec 5, 2025, 9:04 AM

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