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 15703ST $17000

Audemars Piguet Royal Oak Offshore 15703ST $17000

Audemars Piguet - 15703ST · $17,000
Additional Details: Have for sale, my AP ROO 15703ST.

  • Year traded for: 2021
Posted at
Apr 22, 2026, 5:37 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Panda 26170ST

Audemars Piguet Royal Oak Offshore Panda 26170ST

Audemars Piguet - 26170ST · $16,900
a classic and sought-after Audemars Piguet Royal Oak Offshore reference, perfect for first-time AP buyers.

  • Era: pre-ceramic
  • Model type: Panda
Posted at
Apr 21, 2026, 10:04 AM
Active
[WTS] [US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST Full Set - $115,000

[US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST Full Set - $115,000

Audemars Piguet - 26574ST · $115,000
Audemars Piguet Royal Oak Perpetual Calendar in 41mm with blue dial for sale. This AP is a full set and comes in excellent condition.

Posted at
Apr 20, 2026, 5:40 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Grand Prix Edition 26290IO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Grand Prix Edition 26290IO.OO.A001VE.01 ♦️Lightly Used 2010♦️

This is a lightly used Audemars Piguet Royal Oak Offshore Grand Prix Edition, dated Q2 2010, and comes with its full set including box and papers.

  • Condition: Lightly Used
  • Year Of Manufacture: 2010
  • Comes With Box And Papers: true
  • Payment Methods: Bank Wire / Credit card (+4.9%) / Crypto
Posted at
Apr 20, 2026, 2:00 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore RB2  26078IO.OO.D001V5.01 ♦️Lightly Used 2007♦️

Audemars Piguet Royal Oak Offshore RB2 26078IO.OO.D001V5.01 ♦️Lightly Used 2007♦️

This is a lightly used Audemars Piguet Royal Oak Offshore RB2 from 2007, featuring a full set of box and papers.

  • Condition: Lightly Used
  • Year: 2007
  • Calibre: Calibre 65
  • Box And Papers: yes
Posted at
Apr 20, 2026, 1:55 AM
Active
[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800
A 1995 limited edition Royal Oak Anniversary watch with a stainless steel case and blue dial, featuring a quartz movement.

  • Condition: Excellent, minimal wear with a couple faint marks and tiny nicks present
  • Case diameter: 33mm
  • Lug width: 23.5mm
  • Thickness: 5.8mm
Posted at
Apr 19, 2026, 8:40 PM
Active
Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet - 26579CB · $306,899
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.

  • Condition: Mint
  • Case material: White ceramic
  • Dial color: Blue
Posted at
Apr 8, 2025, 1:20 PM
Active
Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.

  • Condition: Mint Condition
  • Box: Yes, original box included
  • Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
  • Payment Methods: Wire, cryptocurrency, credit card (+4%)
Posted at
Apr 7, 2025, 8:26 PM
Active