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.
Buy Now on Jomashop
This is an affiliate link
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 Rose Gold Black Dial 26401RO
This Audemars Piguet Royal Oak Offshore Chronograph is a 44mm rose gold watch with a black dial and silver sub-dials. It features an I serial number and comes with original boxes, booklets, warranty papers, and a full service in 2023.
- Condition: very good
- Case size: 44mm
- Serial number type: I serial
- Original sale date: February 2016

Audemars Piguet Royal Oak Offshore 26400SO 44mm Black Ceramic Panda Chronograph!
This Audemars Piguet Royal Oak Offshore is a 44mm black ceramic panda chronograph watch with a silver dial, automatic movement, and sapphire crystal. It features hours, minutes, small seconds, date, and chronograph functions.
- Condition: Pre-owned with typical cosmetic wear and minor scratches on the ceramic bezel
- Case Diameter: 44mm
- Band Material: Black Rubber with Steel Pin Buckle
- Movement Type: Automatic
NEW 2024 Audemars Piguet Royal Oak Diamond 38mm Blue Dial 26715ST.ZZ.1356ST.01
The watch is a 2024 Audemars Piguet Royal Oak with a stainless steel diamond bezel and a light blue bracelet.
- Condition: EXCELLENT
- Diameter: 38mm
- Material: Stainless Steel

Audemars Piguet Royal Oak Day-Date 39mm Rose Gold AP 26330or Black Dial Full Se
This is a 39mm Royal Oak Day-Date in rose gold with a black dial, fully set and in very good condition.
- Condition: Very Good
- Year: 2013
- Case Diameter: 39mm

Audemars Piguet Royal Oak Jumbo Blue Dial 39mm Stainless Steel 15202st
This listing is for an Audemars Piguet Royal Oak Jumbo Blue Dial 39mm Stainless Steel watch, a 2016 model with original box and papers.
- Condition: Very Good
- Size: 39mm diameter

Audemars Piguet Royal Oak Offshore Chronograph Champagne Rose Gold MINT 26470OR
The Audemars Piguet Royal Oak Offshore Chronograph features a champagne dial with the iconic Mégas Tapisserie pattern, creating a dynamic effect that adds depth. The watch has a brushed bezel and case, with an exhibition caseback providing a clear view into the heart of the watch.
- Condition: Mint
- Case Material: 18k pink gold
- Diameter: 44mm
- Water Resistance: 100m

Audemars Piguet Royal Oak 67651SR.ZZ.1261SR.01
Audemars Piguet Royal Oak, originally purchased in 2021, factory bezel, complete.
- Condition: preowned, beautiful condition
- Case size: 33mm

BNIB Audemars PIGUET ROYAL OAK 15510ST STEEL BLUE NUIT DIAL 2025 COMPLETE SET
A fresh brand new in box Audemars Piguet Royal Oak 41mm stainless steel watch with a Bleu Nuit Nuage 50 dial.
- Condition: Brand new, never worn
- Case size: 41mm
- Dial color: Bleu Nuit Nuage 50
2013 Audemars Piguet 15400ST Royal Oak 41mm with Box & Papers
2013 Audemars Piguet Royal Oak 41mm stainless steel watch with black dial, box, and papers.
- Condition: Very Good
- Case Size: 41mm diameter
- Material: stainless steel
- Dial Color: black