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 "SAFARI" w/ 18-Month Warranty & 3 Straps

Audemars Piguet Royal Oak Offshore "SAFARI" w/ 18-Month Warranty & 3 Straps

This Audemars Piguet Royal Oak Offshore 'Safari' features a cream-colored dial with a 'Méga Tapisserie' pattern and luminous hands, powered by AP's in-house self-winding mechanical movement.

  • Condition: Excellent with minor blemish on the bezel
  • Movement type: In-house self-winding mechanical
  • Power reserve: 40 hours
  • Warranty: 18-month warranty from Horologix
Posted at
Nov 6, 2025, 11:11 AM
Active
[WTS] Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

This stunning Royal Oak Chronograph has a yellow gold case with a rich green dial, one of only 125 pieces ever made.

  • Condition: like new
  • Movement type: Mechanical (Automatic)
  • Jewels: 37
  • Power reserve hours: 40
Posted at
Nov 6, 2025, 8:44 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26400SO Panda Dial 44mm 2016 Full Set

Audemars Piguet Royal Oak Offshore 26400SO Panda Dial 44mm 2016 Full Set

This is an excellent example of a very wearable and versatile 44mm Offshore model with a stainless steel case, automatic chronograph movement, and 50 hour power reserve.

  • Condition: Excellent, near mint pre-owned condition
  • Case size: 44mm diameter
  • Movement: Calibre 3126/3840
  • Power reserve: 50 hour power reserve
Posted at
Nov 5, 2025, 12:57 PM
Active
[WTS] Audemars Piguet Royal Oak 15500ST Black Dial 41mm Steel 2020 Full Set

Audemars Piguet Royal Oak 15500ST Black Dial 41mm Steel 2020 Full Set

The Audemars Piguet Royal Oak 15500ST features a classic 41mm stainless steel case with a black Grande Tapisserie dial, making it suitable for various occasions.

  • Condition: Excellent pre-owned condition with very faint wear on the case, bezel, and bracelet consistent with careful use
  • Case material: stainless steel
  • Diameter: 41mm
  • Movement type: automatic
Posted at
Nov 5, 2025, 12:34 PM
Active
[WTS] 2017 Audemars Piguet Royal Oak 41 White 15400ST — Like New Condition, Inner Box & Papers

2017 Audemars Piguet Royal Oak 41 White 15400ST — Like New Condition, Inner Box & Papers

Audemars Piguet - 15400ST · $33,000
The Audemars Piguet Royal Oak 41mm White Dial 15400ST embodies the essence of modern luxury with its distinctive design and impeccable craftsmanship, featuring a signature white dial, applied hour markers, and integrated stainless steel bracelet.

  • Condition: Like new condition
  • Diameter: 41mm
  • Lug to lug length: 51mm
  • Thickness: 9.8mm
Posted at
Nov 5, 2025, 8:01 AM
Active