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

Reference 26518ST.OO.1220ST.01

Audemars Piguet Royal Oak Ultra Thin Tourbillon Openworked Stainless Steel

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

Current Listings

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

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995

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

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

Audemars Piguet - 26405NR.OO.A002CA.01 · $42,495

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

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

Audemars Piguet - 26170ST.OO.D101CR.01 · $18,200

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

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[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

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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

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

Audemars Piguet - 26170ST.OO.D101CR.02 · $19,200

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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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

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

Audemars Piguet - Royal Oak 39mm · $30,000

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

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NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

Audemars Piguet - 26240OR.00.D404CR.02 · $74,995

This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.

Condition: New, unworn (NIB)
Case size: 41mm
Movement type: Automatic, in-house

Posted at

Apr 7, 2025, 3:20 PM

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