Audemars Piguet Royal Oak Royal Oak Ultra Thin Tourbillon Openworked Yellow Gold / Boutique Edition

Reference 26513BA.OO.1220BA.01

About this watch

The Audemars Piguet Royal Oak Ultra Thin Tourbillon Openworked Yellow Gold / Boutique Edition is a breathtaking blend of design, engineering, and exclusivity. Crafted from 18k yellow gold, this limited-edition masterpiece boasts a skeletonized dial that allows you to peer into the heart of the watch, revealing the intricate workings of the AP 2924 SQ caliber hand-wound movement. With a power reserve of 70 hours, this timepiece is not just a statement piece but also a testament to mechanical excellence. The tourbillon escapement compensates for gravitational errors in timekeeping, elevating the entire experience. This watch strikes the perfect balance between presence and wearability, making it suitable for everyday wear with a water resistance of 50 meters. As one of only 40 units produced, owning this piece is not just about having a watch but being part of a select group of collectors who appreciate the finer things in life.

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Key Features

18k yellow gold case
Skeletonized dial with intricate movement display
AP 2924 SQ caliber hand-wound movement
Tourbillon escapement for precision timekeeping
Water resistance up to 50 meters
Limited edition of only 40 units produced
Diameter: 41.00 mm, Height: 8.85 mm

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Ultra Thin Tourbillon Openworked Yellow Gold / Boutique Edition

Reference

26513BA.OO.1220BA.01

Movement

ap-2924-sq

Movement Features

Hours, Minutes
Tourbillon Escapement, Skeleton, Power Reserve Indicator

Case

Yellow Gold 41mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

Current Listings

2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

Audemars Piguet - 15551ST · $47,000

The Audemars Piguet Royal Oak Diamond Bezel combines the collection’s signature sporty elegance with a refined touch of luxury, featuring an iconic octagonal bezel set with brilliant-cut diamonds and a "Grande Tapisserie" silver-toned dial.

Condition: Like new condition
Dimensions: 37mm diameter, 45mm lug to lug, and 9.1mm thick
Includes: Original box & papers
Shipping: Free shipping to US addresses (international at additional cost)

Posted at

Nov 3, 2025, 8:02 AM

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Seiko AP Royal Oak MOD

Seiko - AP Royal Oak MOD · $215

This is a modified version of the Seiko AP Royal Oak, which is being sold as part of a sale.

Condition: Brand new
Payment methods: Venmo, PayPal

Posted at

Nov 1, 2025, 6:06 PM

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Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

Audemars Piguet - Royal Oak Offshore Chronograph · $19,498

This Audemars Piguet Royal Oak Offshore Chronograph, known as the “Vampire” has a black dial and blood red accents. The watch is available in 42mm.

Condition: Great pre-owned condition with very little faint signs of wear
Case size: 42mm diameter
Materials included: Watch, inner box, outer box, branded polish cloth

Posted at

Oct 31, 2025, 3:10 PM

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2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

Audemars Piguet - 26240ST.OO.1320ST.07 · $51,000

The Audemars Piguet Royal Oak Chronograph features a stainless steel case, silver/white 'Grande Tapisserie' dial and integrated bracelet, powered by the in-house Caliber 4401 with flyback chronograph functionality, 70-hour power reserve and a sapphire caseback.

Condition: Excellent
Case size: 41mm
Water resistance: unknown
Movement: in-house Caliber 4401

Posted at

Oct 31, 2025, 10:46 AM

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Audemars Piguet Royal Oak Offshore “Vampire” 26470ST – Full Set + 2 Straps – Excellent Condition (2017) – Dallas TX

Audemars Piguet - 26470ST.OO.A101CR.01 · $21,950

The Audemars Piguet Royal Oak Offshore Chronograph features a striking black Mega Tapisserie dial with red accents, and comes with additional details such as an AP Calibre 3126/3840 automatic chronograph and 42mm stainless steel case.

Condition: 9.9/10 - near mint
Case size: 42mm diameter
Movement: AP Calibre 3126/3840 automatic chronograph
Power reserve: ~50 hour

Posted at

Oct 31, 2025, 10:45 AM

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