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 Double Balance Wheel Openworked White Gold 15412BC
This Audemars Piguet Royal Oak Double Balance Wheel Openworked features a stunning diamond-set bezel and an openworked dial that reveals the double balance wheel. It presents itself as a solid presence on the wrist with its brushed white gold case.
- Condition: Mint condition
- Case material: White Gold
- Diameter: 40mm
- Water resistance: not specified

Audemars Piguet 26297IS Royal Oak Offshore Pride Of Mexico
A limited edition Audemars Piguet Royal Oak Offshore Pride of Mexico, with a titanium case and green Horus band.
- Case size: 42mm
- Case material: Titanium
- Band color: Green

BNIB Audemars PIGUET ROYAL OAK JUMBO 16202ST BLUE DIAL 2025 COMPLETE SET
This is a Brand New in Box Audemars Piguet Royal Oak Jumbo Extra-thin, reference 16202ST.OO.1240ST.02, featuring a blue dial. It has a new in-house selfwinding movement, Calibre 7121.
- Condition: Brand New in Box and Very Beautiful
- Case size: 39mm
- Material: Stainless Steel
- Movement: Calibre 7121

Audemars PIGUET ROYAL OAK OFFSHORE DIVER 15720ST GREY DIAL 2023 WARRANTY
2023 Audemars Piguet Royal Oak Offshore Diver with a 42mm stainless steel case and grey dial, featuring interchangeable straps and a factory warranty.
- Condition: Excellent, unpolished condition
- Case diameter: 42mm
- Water resistance: No mention of water resistance
- Warranty left: Under 5 years factory warranty
2019 Audemars Piguet Royal Oak 41mm 15500ST - Mint Condition With Box & Papers
The Audemars Piguet Royal Oak 41mm features a sleek black dial with the signature Grande Tapisserie pattern and a stainless steel case with an integrated bracelet. It has an automatic movement ensuring precision and reliability.
- Condition: Mint Condition
- Case material: stainless steel
- Bracelet type: integrated
: Audemars Piguet Royal Oak Offshore "BATMAN" Ref 26740ST
This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with a modern design and chronograph function. The watch has a black mega Tapisserie dial with blue sub-dials, giving it the nickname 'Batman'. It comes in excellent condition, rarely worn.
- Condition: Excellent
- Case Size: 42mm
- Case Material: Stainless Steel
- Movement: Audemars Caliber 3126 automatic movement
Audemars Piguet Royal Oak Offshore "NAVY" Ref 26470St
This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with a modern design, chronograph function, and navy blue dial on a rubber strap.
- Condition: Excellent
- Case material: Stainless Steel
- Movement: Audemars Caliber 3126 automatic movement
- Size: 42mm
2000 Audemars Piguet 15000ST Royal Oak 33mm Automatic with Box & Papers
This Audemars Piguet Royal Oak is a 33mm automatic watch featuring a stainless steel case and blue dial.
- Condition: Very Good
- Case material: Stainless Steel
- Dial color: Blue
- Wrist size recommendation: 7

Audemars Piguet Royal Oak Offshore 26420CE.OO.A127CR.01
This is a mint condition Audemars Piguet Royal Oak Offshore, complete with its original boxes, book, and warranty card.
- Condition: MINT
- Case material: Titanium
- Movement: Calibre 3124