Audemars Piguet Royal Oak Offshore Royal Oak OffShore 25721 Chronograph Stainless Steel / Blue

Reference 25721.ST.O.1000ST.01

About this watch

The Audemars Piguet Royal Oak Offshore 25721 Chronograph is a masterpiece of luxury watchmaking, combining impeccable engineering with undeniable style. Its stainless steel construction and eye-catching blue dial make it perfect for both casual and formal settings. The octagonal bezel, secured with eight hexagonal screws, adds a touch of industrial charm to the overall aesthetic. At its core lies the Audemars Piguet caliber AP 2126 / 2840, a self-winding automatic mechanism featuring a chronograph complication. This movement showcases incredible craftsmanship and has a rich history, being introduced in the mid-80s as a collaboration with Jaeger-LeCoultre's JLC 889 base. With 33 jewels and a power reserve of 45 hours, this movement is designed to keep ticking, even when you're not wearing it. The chronograph function is incredibly user-friendly, allowing you to measure elapsed time with precision. Whether timing your runs or measuring cooking times, this watch has you covered. Its durability is also impressive, with a stainless steel case that's robust yet lightweight and a water resistance of up to 100 meters.
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Key Features

  • 42mm Stainless Steel Case
  • Audemars Piguet Caliber AP 2126 / 2840 Movement
  • Chronograph Complication
  • Sapphire Crystal
  • Water Resistance Up to 100m
  • Blue Dial with Stick and Dot Indexes

Specifications

Brand
Audemars Piguet
Family
Royal Oak Offshore
Model
Royal Oak OffShore 25721 Chronograph Stainless Steel / Blue
Reference
25721.ST.O.1000ST.01
Movement
ap-2126-2840
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

Audemars Piguet - 26470or · $37,000
a luxury chronograph watch from the Royal Oak Offshore collection with a 42mm case size and half brick gray rhodium dial.

Posted at
Apr 7, 2026, 10:12 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000

Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000

This Audemars Piguet Royal Oak Offshore Chronograph 'Half Brick' is a stunning example in excellent condition, with incredible wrist presence and a perfect blend of luxury, sport, and unmistakable AP character.

  • Condition: Excellent condition
  • Case material: rose gold
  • Diameter: 44mm
  • Year: 2019
Posted at
Apr 6, 2026, 3:10 PM
Active
[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000
The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial and an inner rotating dive bezel.

  • Condition: Like new condition
  • Case diameter: 42mm
  • Lug to lug length: 52mm
  • Thickness: 14.2mm
Posted at
Apr 1, 2026, 9:32 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement and 70-hour reserve, presented in a 42 mm blue ceramic case.

  • Condition: like new
  • Movement Type: Mechanical (Automatic)
  • Case Size: 42 mm
  • Case Thickness: 15.3 mm
Posted at
Apr 1, 2026, 8:37 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial is a 44mm masterpiece from AP, featuring a rose gold and black ceramic design with a smoked grey mega tapisserie dial.

  • Condition: like new
  • Case size: 44mm
  • Water resistance: 100m (10ATM)
  • Movement caliber: 3126/3840
Posted at
Apr 1, 2026, 8:36 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Volcano” 26170ST with Extra OEM Strap & Brand New AP Box

Audemars Piguet Royal Oak Offshore “Volcano” 26170ST with Extra OEM Strap & Brand New AP Box

This watch is a bold pre-ceramic Offshore icon with a 42mm steel case and black Méga Tapisserie dial, making it a statement piece among collectors.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Dial color: black
  • Movement: Caliber 3126/3840 automatic chronograph
Posted at
Mar 30, 2026, 3:27 PM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Steel “Batman” AP 26470ST - Full Set - $23,500

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Steel “Batman” AP 26470ST - Full Set - $23,500

Audemars Piguet - 26470ST · $23,500
The watch being listed is an Audemars Piguet Royal Oak Offshore Chronograph in a 42mm steel case, also known as the 'Batman' model.

Posted at
Mar 30, 2026, 11:18 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26420TO 🔥Preowned 2021, $26.5k+✈️🔥

Audemars Piguet Royal Oak Offshore 26420TO 🔥Preowned 2021, $26.5k+✈️🔥

Audemars Piguet - 26420TO · $26,500
2021 model, additional details not provided in the listing.

  • Condition: preowned
  • Year: 2021
  • Status: preowned
  • Location: international
Posted at
Mar 30, 2026, 8:02 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Panda 26170ST Extra OEM Strap & Brand New AP Box

Audemars Piguet Royal Oak Offshore Panda 26170ST Extra OEM Strap & Brand New AP Box

A classic Audemars Piguet Royal Oak Offshore Panda with a stainless steel case and black and white Méga Tapisserie dial, powered by the Caliber 3126/3840 automatic chronograph.

  • Case size: 42mm diameter
  • Dial pattern: Méga Tapisserie 'Panda' dial
  • Movement: Caliber 3126/3840 automatic chronograph
Posted at
Mar 30, 2026, 6:41 AM
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