Audemars Piguet Royal Oak Royal Oak Ultra Thin Tourbillon Openworked Stainless Steel

Reference 26518ST.OO.1220ST.01

About this watch

The Audemars Piguet Royal Oak Ultra Thin Tourbillon Openworked is a masterpiece of horology that embodies the pinnacle of luxury watchmaking. This stunning timepiece boasts an open-worked movement, showcasing the intricate beauty of its hand-wound caliber AP 2924 SQ. With a tourbillon escapement and a power reserve of up to 70 hours, this watch is not only a work of art but also a marvel of engineering. Its stainless steel case measures 41mm in diameter and 8.95mm in height, offering a sleek profile that sits comfortably on the wrist. The integrated bracelet design adds to its comfort and style, while the sapphire glass provides scratch-resistance and sophistication. As a limited edition of just 100 units, this watch is truly exclusive, making it a coveted piece for collectors and watch enthusiasts alike. Whether you're looking to make a statement or simply appreciate fine craftsmanship, the Royal Oak Ultra Thin Tourbillon Openworked is sure to impress.
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Key Features

  • Hand-wound movement with tourbillon escapement
  • Open-worked dial revealing intricate mechanism
  • Stainless steel case with 41mm diameter and 8.95mm height
  • Integrated bracelet design for comfort and style
  • Sapphire glass for scratch-resistance and sophistication
  • Limited edition of 100 units
  • Power reserve up to 70 hours

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Ultra Thin Tourbillon Openworked Stainless Steel
Reference
26518ST.OO.1220ST.01
Movement
ap-2924-sq
Movement Features
  • Hours, Minutes
  • Tourbillon Escapement, Skeleton, Power Reserve Indicator
Case
Stainless Steel 41mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
20

Current Listings

[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial 26470OR.OO.A002CR.02

Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial 26470OR.OO.A002CR.02

The Audemars Piguet Royal Oak Offshore 'Half Brick' is a bold and recognizable timepiece crafted in solid 18K red gold, featuring a black dial and 42mm case.

  • Condition: Pre-owned with very light wear and minor imperfections
  • Material: solid 18K red gold
  • Diameter: 42mm
  • Bezel condition: clean
Posted at
Aug 22, 2025, 10:41 AM
Active
[WTS] Audemars Piguet AP Royal Oak Offshore Black & White Chronograph 42mm Stainless Steel Full Set MINT 26170ST

Audemars Piguet AP Royal Oak Offshore Black & White Chronograph 42mm Stainless Steel Full Set MINT 26170ST

Audemars Piguet - 26170ST · $21,982
A Royal Oak Offshore chronograph with a black dial, stainless steel case, and AP hornback strap.

  • Condition: Pristine
  • Case size: 42mm diameter
  • Straps included: 2
  • Value of extra straps: $500+
Posted at
Aug 21, 2025, 3:28 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet Royal Oak Offshore 42mm Blue “Beast” AP 26237ST Box and Papers

Audemars Piguet - 26237ST · $58,000
This watch is an Audemars Piguet Royal Oak Offshore 42mm in blue, known as the "Beast". It features a stainless steel case and comes with original box and papers.

  • Size: 42mm diameter
Posted at
Aug 21, 2025, 12:36 PM
Active
[WTS] 2022 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

2022 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

Audemars Piguet - 14790ST · $30,000
A 2022 Royal Oak Ref. 14790ST with a blue dial and excellent condition case, bezel, and bracelet.

  • Condition: Excellent
  • Case size: 36mm
  • Bracelet condition: Excellent
  • Bezel material: Stainless steel
Posted at
Aug 20, 2025, 9:00 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Carbon 42mm 26202AU

Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Carbon 42mm 26202AU

The Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli is a limited edition of 500 pieces, featuring a forged carbon fiber case and Cermet bezel. It comes with a 50 hour reserve Calibre 3126/3840 movement.

  • Condition: excellent pre-owned condition with light wear
  • Case material: forged carbon fiber
  • Bezel material: Cermet
  • Movement: Calibre 3126/3840, 50 hour reserve
Posted at
Aug 20, 2025, 6:10 PM
Active