Audemars Piguet Royal Oak Royal Oak 25554 Perpetual Calendar
Reference 25554ST.O.0344ST.01
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

Audemars Piguet Royal Oak Offshore Chronograph 44mm Panda AP 26400so - Full Set
This is a Royal Oak Offshore Chronograph, a 44mm Panda model from Audemars Piguet, produced in 2016.
- Condition: Very Good
- Water Resistance: 150m
AP Royal Oak Half Brick Ref:26470OR Box and Papers
AP Royal Oak Half Brick Ref:26470OR, a 2019 timepiece with a full set of warranty still available.
- Box and papers included: true
- Year: 2019
- Warranty available: true

BNIB Audemars PIGUET ROYAL OAK JUMBO 16202ST BLUE DIAL 2025 COMPLETE SET
A Brand New Audemars Piguet Royal Oak Jumbo Extra-thin with a 39mm stainless steel case and Bleu Nuit, Nuage 50 dial.
- Condition: Brand New in Box, Never Worn & Never Sized
- Movement: Calibre 7121, in-house selfwinding
- Case size: 39mm diameter
- Dial color: Bleu Nuit, Nuage 50

Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Dial AP 26320s
This is a 41mm Stainless Steel Audemars Piguet Royal Oak Chronograph with a white dial, manufactured in 2016.
- Condition: Very Good
- Year of manufacture: 2016

Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic - 26405ce - Full Se
This Audemars Piguet Royal Oak Offshore Chronograph features a 44mm ceramic case and is a 2018 model.
- Condition: Very Good
- Size: 44mm diameter
- Year: 2018

Audemars Piguet Royal Oak Chronograph 41mm AP Blue Dial 26331ST � 2017 Full Set
2017 Audemars Piguet Royal Oak Chronograph with a blue dial, featuring a 41mm case.
- Condition: Very Good
- Year: 2017
Audemars Piguet Royal Oak 37mm 15450ST Blue Dial With Papers!
This is a 37mm Royal Oak watch with a blue dial, previously had a white dial but was changed to the blue one by AP. The watch comes with papers and is in mint condition.
- Condition: Mint condition
- Case Size: 37MM
- Material: Full Stainless Steel
- Dial Color: Blue

Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore
This Audemars Piguet Royal Oak Offshore is a high-end watch with a stainless steel case and comes with various accessories.
- Condition: Very good
- Bracelets: 3 (black rubber, blue rubber, factory AP steel)
- Accessories: books, warranty card, service warranty card

Audemars Piguet Royal Oak 37mm Frosted Rose Gold Pink Dial 15454OR.GG.1259OR.03
This Audemars Piguet Royal Oak is a 37mm version in frosted rose gold featuring a pink gold toned dial.
- Condition: Excellent, with some fine swirls and hairlines on the case and bracelet
- Case size: 37mm
- Diameter: 40mm (bracelet)