Audemars Piguet Royal Oak Offshore Royal Oak OffShore 25863 T3 Prototype

Reference 25863ST.OO.A001CU.01

About this watch

The Audemars Piguet Royal Oak Offshore 25863ST.OO.A001CU.01 is a masterpiece of horology, blending cutting-edge technology with stunning design and reliable performance. This exceptional timepiece boasts a self-winding automatic movement, featuring a cam-operated chronograph that allows for precise timing. The 48 mm stainless steel case, adorned with an iconic octagonal bezel, exudes rugged sophistication. A rich color palette on the dial enhances readability while maintaining elegance. The integrated stainless steel bracelet is robust yet comfortable, making it suitable for daily wear and special occasions. With a power reserve of 42 hours and a frequency of 28,800 vibrations per hour, this watch is designed for performance. Its exceptional timekeeping accuracy makes it a reliable companion for aquatic adventures and everyday life.
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Key Features

  • Self-winding automatic movement
  • Cam-operated chronograph with precise timing
  • 48 mm stainless steel case with octagonal bezel
  • Integrated stainless steel bracelet with robust comfort
  • Power reserve of 42 hours with frequency of 28,800 vibrations per hour
  • Exceptional timekeeping accuracy with sapphire glass protection

Specifications

Brand
Audemars Piguet
Family
Royal Oak Offshore
Model
Royal Oak OffShore 25863 T3 Prototype
Reference
25863ST.OO.A001CU.01
Movement
ap-2226-2840
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 48mm
Crystal
Sapphire

Current Listings

[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

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with a bold design and ceramic build.

  • Condition: Like new
  • Movement caliber: Calibre 4404
  • Case size: 42 mm diameter
  • Case thickness: 15.3 mm
Posted at
Apr 17, 2026, 8:26 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 watch is a 44mm rose gold and black ceramic masterpiece from AP with a smoked grey dial.

  • Condition: like new condition
  • Case material: ceramic
  • Bezel material: 18k Rose Gold
  • Dial color: smoked grey
Posted at
Apr 17, 2026, 8:25 AM
Active
[WTS] 2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with the signature Royal Oak Offshore architecture and integrated crown guards.

  • Condition: Pre-owned, recently serviced
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Dial Color: White with Blue Accents
Posted at
Apr 16, 2026, 5:30 PM
Active
[WTS] 2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

The Audemars Piguet Royal Oak Offshore 'Safari' features a warm ivory dial with brown subdials and a matching brown strap, creating a rugged yet refined look.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Automatic Chronograph
  • Dial: Ivory 'Méga Tapisserie' with brown subdials
Posted at
Apr 16, 2026, 3:11 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet - 26470ST · $20,599
The 'Vampire' Royal Oak Offshore configuration features a deep black dial, bold red accents, and ceramic bezel for an aggressive look. This 2017 example presents well with Audemars Piguet papers, AP case, and multiple strap options.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Movement: Automatic Chronograph
Posted at
Apr 16, 2026, 3:07 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers

Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers

The seller is listing a black dial Audemars Piguet Royal Oak Offshore 'Beast' in titanium that they purchased from eBay but don't want due to it being too big on their wrist. It comes as a full set with box and papers.

  • Condition: Good
  • Case material: Titanium
  • Bracelet material: Titanium
  • Size: 42mm diameter
Posted at
Apr 15, 2026, 8:19 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet - 26170ST · $15,400
This is a Royal Oak Offshore watch from Audemars Piguet, with a stainless steel case and a sporty design. It features a 2011 model reference number 26170ST.

  • Condition: Preowned
  • Shipping: $100 + tariffs/duties included in price
  • Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • References: 290+ verified sales, @worthytimeholdings on Instagram, Worthytime Holdings on Google page, and u/pacodo on r/tudor
Posted at
Apr 15, 2026, 10:36 AM
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 combines the rugged Offshore aesthetic with refined finishing, featuring a vibrant blue dial and an inner rotating dive bezel. It has a stainless steel case paired with AP's interchangeable strap system and an in-house automatic movement for reliable performance.

  • Condition: Like new condition
  • Case diameter: 42mm
  • Lug to lug: 52mm
  • Thickness: 14.2mm
Posted at
Apr 15, 2026, 9:34 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

This is a black dial Audemars Piguet Royal Oak Offshore Chronograph, a model known for its sporty and elegant design, featuring a rubber strap with a DB buckle.

  • Condition: Lightly Used
  • Band type: Rubber
  • Buckle type: DB buckle
Posted at
Apr 13, 2026, 3:36 AM
Active