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 DIVER 15720ST KHAKI GREEN DIAL 2021
A 2021 Audemars Piguet Royal Oak Offshore Diver with a khaki green dial and pink gold hour-markers, sold in excellent condition with original boxes and papers. The watch features a stainless steel case and comes with an additional AP beige leather strap.
- Condition: Unpolished, great condition
- Case size: 42mm
- Water resistance: 200m
- Year: 2021
2018 Audemars Piguet Royal Oak Offshore 42mm Havana 26470ST - Like New With Box & Pap
The Audemars Piguet Royal Oak Offshore 42mm Havana is a bold and sophisticated chronograph featuring a rich brown dial with striking blue subdials, housed in a stainless steel case.
- Condition: Like New
- Case size: 42mm diameter
- Material: stainless steel
- Box and papers included: yes
16202BC Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET
A 2023 Audemars Piguet Royal Oak White Gold Jumbo watch with a stunning blue Tuscan dial and sharp white gold case and bracelet.
- Condition: Excellent, unpolished condition
- Set: Complete set
- Dial color: Blue Tuscan

Audemars Piguet Royal Oak Black Dial Steel FULL SET MINT 15500ST.OO.1220ST.03
A black dial Audemars Piguet Royal Oak built from stainless steel with a Grande Tapisserie dial, featuring hours, minutes, seconds, and date functions.
- Condition: Mint condition
- Case size: 41mm diameter
- Bezel type: brushed octagonal bezel with polished edges

Audemars Piguet Royal Oak 15500st Gray Dial Box/Papers
For sale is a Audemars Piguet Royal Oak Gray Dial Reference 15500ST in like new condition, with no signs of wear on the watch or bracelet.
- Condition: Like new
- Box Papers: Full kit includes inner/outer boxes; hang tags, booklets, and the warranty card
- Location: Sunny Isles, Florida

Audemars Piguet Royal Oak Offshore �Vampire� Black Red FULL SET MINT 26470ST
The Audemars Piguet Royal Oak Offshore 'Vampire' features a dark Mega Tapisserie dial with red accents and a brushed stainless steel bezel. It's a high-end watch suitable for both formal and casual settings.
- Condition: Mint condition, little to no signs of wear
- Diameter: 42mm
- Case material: Brushed stainless steel
- Exhibition caseback: Flawless view of the movements
Audemars Piguet Royal Oak 15300ST - Like New With Warranty
The Audemars Piguet Royal Oak 15300ST is a stunning watch with a white dial and grande tapisserie pattern. It features a 39mm case dimension, a more substantial bracelet, screw-down crown, and sweeping seconds hand.
- Condition: Like new with warranty
- Warranty left: ~1 year and 2.5 months
- Bracelet size: 7.25"
- Case dimensions: 39mm diameter
Audemars Piguet Royal Oak Jumbo 16202BA.OO.1240BA.02 Royal Oak Champagne Dial
The Audemars Piguet Royal Oak Jumbo Extra-Thin reference 16202BA.OO.1240BA.02 is a distinguished timepiece that pays homage to the original Royal Oak design while incorporating modern advancements.
- Material: 18-carat yellow gold
- Case size: 39 mm
- Movement: self-winding Calibre 7121
1970s Audemars Piguet 8638BA Royal Oak 29mm 18K Yellow Gold with Service Receipt
This is a 1970s Audemars Piguet Royal Oak in 18K yellow gold with a grey dial, measuring 29mm in case size. It comes with service receipts and has been well-maintained.
- Condition: Very Good
- Case Size: 29mm
- Material: 18K Yellow Gold
- Dial Color: Grey