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 The Beast Gray Titanium 26400IO
The Audemars Piguet Royal Oak Offshore Chronograph The Beast features a lightweight titanium case and a slate-grey Mega Tapisserie dial with rhodium counters. It has a black ceramic bezel, a brushed titanium case, and an exhibition caseback that provides a clear view of the mechanical detail within.
- Condition: Excellent, some signs of wear
- Case material: Titanium
- Diameter: 44mm
- Water resistance: 50m

Audemars Piguet Royal Oak Offshore Chronograph Gray Titanium FULL SET 26170TI
This Audemars Piguet Royal Oak Offshore Chronograph in Gray Dial features a lightweight titanium case with a matte finish, showcasing a stunning gray M�ga Tapisserie dial paired with black counters and red-tipped chronograph hands.
- Condition: near mint condition
- Case material: titanium
- Dial type: gray Mega Tapisserie
- Movement: chronograph

Audemars Piguet 16202ST.OO.1240ST.02 Royal Oak Extra-Thin Stainless Steel Watch
This is a stainless steel Audemars Piguet Royal Oak Extra-Thin watch, featuring the brand's signature design and high-quality craftsmanship. The watch comes in its original box with warranty card, which will be released to the customer after one year.
- Condition: Unworn
- Case material: Stainless Steel
- Serial number visible: Yes

2019 Audemars Piguet Royal Oak Chronograph 41mm 26331OR
This is a 2019 Audemars Piguet Royal Oak Chronograph in 18kt pink gold with a brown dial. It features a grande tapisserie pattern and has a chronograph function.
- Condition: Excellent overall condition
- Material: 18kt Pink Gold
- Size: 41mm
- Wrist Size: 7.5inch full links

NOS Audemars PIGUET ROYAL OAK STEEL 15550ST GREY DIAL 37MM 2023 FULL SET
This is a brand new, unworn Audemars Piguet Royal Oak in stainless steel with a grey dial, featuring a 37mm case size.
- Condition: New Old Stock (Unworn)
- Case Size: 37mm
- Movement Type: Self-Winding
- Warranty: Under 5 Years Factory Warranty
Audemars Piguet Royal Oak Chronograph 41mm 26331ST (2021) - Near Mint, Full Set
The Audemars Piguet Royal Oak Chronograph 41mm is a perfect fusion of sportiness and luxury, featuring an iconic octagonal bezel, stunning tapisserie dial, and robust stainless steel case.
- Condition: Near Mint, Unpolished
- Case Size: 41mm
- Bracelet Type: Integrated
- Year: 2021

Audemars Piguet Royal Oak Offshore Chronograph Safari Ivory Ceramic 26470ST
The Audemars Piguet Royal Oak Offshore Chronograph Safari Ivory Ceramic features a stainless steel case with a M�ga Tapisserie dial in ivory white. It has brown chronograph subdials and a dark brown tachymeter ring.
- Condition: Mint condition, little to no signs of wear
- Case material: stainless steel
- Bezel material: brushed stainless steel
- Movement type: self-winding

2019 Audemars Piguet Royal Oak Chronograph 41mm 26239OR
2019 Audemars Piguet Royal Oak Chronograph in 18kt pink gold with a brown Grande Tapisserie dial, featuring a chronograph function.
- Condition: Excellent overall condition
- Material: 18kt Pink Gold
- Size: 7.5inch wrist (Full Links)
- Warranty: Box and Papers - Yes

Audemars Piguet 6005SA Jumbo Two-Tone Quartz Royal Oak
This is an Audemars Piguet Royal Oak model, featuring a 41x32mm stainless steel and 18k yellow gold case.
- Case size: 41x32mm
- Material: Stainless Steel, 18k Yellow Gold
- Dial color: Grey