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] 2001 Audemars Piguet Royal Oak Offshore Triple Calendar 38mm 25807ST - Excellent, Unpolished Condition With Box and Papers](https://preview.redd.it/553tawtjsvwe1.jpeg?auto=webp&s=0d91aec6419193f2832ff70e828a2e5b470422b1)
2001 Audemars Piguet Royal Oak Offshore Triple Calendar 38mm 25807ST - Excellent, Unpolished Condition With Box and Papers
This 2001 Audemars Piguet Royal Oak Offshore Triple Calendar stands out with its rare complication and perfectly sized 38mm case — a balanced blend of sportiness and refinement.
- Condition: Excellent, unpolished
- Size: 38mm diameter
- Lug to lug: 48.9mm
- Thickness: 12.6mm
Audemars Piguet Royal Oak Offshore Chronograph Tiffany Blue Men’s Watch 26238ST
The Audemars Piguet Royal Oak Offshore Chronograph Tiffany Blue Men’s Watch 26238ST is a rare and bold timepiece with a Tiffany blue 'Méga Tapisserie' dial and sharp orange accents, backed by AP’s in-house Calibre 4404 flyback chronograph.
- Condition: New and unworn
- Case Size: 42mm
- Case Material: Stainless Steel
- Bezel: Brushed Stainless Steel Octagonal Bezel with Polished Screws
![[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial Rose Gold 26470OR 2 Straps Box and Papers](https://preview.redd.it/ly3v8h2gpuye1.jpg?width=640&crop=smart&auto=webp&s=61fcccb0f5254f4c82c122ba6cfb2fa43d2f7337)
Audemars Piguet Royal Oak Offshore “Half Brick” Black Dial Rose Gold 26470OR 2 Straps Box and Papers
The AP Royal Oak Offshore “Half Brick” Black Dial is a striking blend of luxuriousness and sport, featuring a 42mm case crafted in solid 18k pink gold and a bold black “Méga Tapisserie” dial with luminous pink gold Arabic numerals and hands.
- Case size: 42mm
- Movement: Caliber 3126/3840 automatic movement
- Power reserve: 50 hours
![[WTS] Audemars Piguet Royal Oak Offshore Alinghi Polaris Flyback / Regatta Timer Limited Edition](https://preview.redd.it/bic6tblknuye1.jpg?width=640&crop=smart&auto=webp&s=5ca4860c22b52427e27761616199639caaa5b317)
Audemars Piguet Royal Oak Offshore Alinghi Polaris Flyback / Regatta Timer Limited Edition
This is one of the best limited edition sports chronographs produced by AP, featuring a flyback chrono and regatta countdown timer.
- Condition: Excellent pre-owned condition with faint wear/handling marks
- Case diameter: 42mm
- Movement caliber: AP 2326 / 2847
- Reserve: 48 hour reserve
[FS] Audemars Piguet Royal Oak Blue Dial 14790ST
This 14790ST features a blue dial and is in excellent condition, with a recently serviced movement and remaining warranty from AP. The watch has a unique case style that makes it wear like a larger timepiece.
- Condition: Excellent condition overall
- Serial: E serial
- Warranty: 2-year service warranty
- Case size: 36mm (wears like 38-39mm)

LNIB Audemars PIGUET ROYAL OAK 15510ST STAINLESS STEEL SILVER DIAL 2023 FULL SET
A 41mm Audemars Piguet Royal Oak with a stainless steel case, white silvery dial, and self-winding movement.
- Condition: Like New in Box Condition
- Case size: 41mm diameter
- Water resistance: not specified
- Movement type: self-winding
Audemars Piguet Royal Oak Chrono 41mm White Panda 26331ST – 2021 Just Serviced
The Audemars Piguet Royal Oak Chronograph is a highly sought-after timepiece featuring a stainless steel case, octagonal bezel, and self-winding movement.
- Condition: Mint condition
- Year: 2021
- Bracelet links: Additional original bracelet links included
- Service warranty: Two-year AP service warranty
Audemars Piguet Royal Oak Offshore Diver 42mm White AP 15710ST.OO.A002CA.02
This AP Royal Oak Offshore Diver is the dive watch of all dive watches, with a white dial and black accents, and features 300 meters of water resistance.
- Condition: Complete working order, keeping great time
- Water resistance: 300m
- Case size: 42mm
- Movement: AP 3120
Audemars Piguet Royal Oak Chrono 41mm Rose Gold 26320OR Black Dial – Full Set
The Audemars Piguet Royal Oak Chrono 41mm Rose Gold is a statement piece that blends elegance with functionality in one of AP's most sought-after configurations. The watch features an insanely finished 18-carat gold case, octagonal bezel, and iconic 'Tapisserie' pattern.
- Condition: Great condition, complete set with original boxes and paperwork
- Year: 2017
- Case size: 41mm diameter