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

Audemars Piguet Royal Oak Offshore Dark Knight Box & Papers 26470SO.OO.A002CA.01

Audemars Piguet - 26470SO.OO.A002CA.01 · $23,750

The Audemars Piguet Royal Oak Offshore is a recognizable watch, known as the "Dark Knight" due to its black/red color combo and ceramic bezel.

Condition: Excellent condition
Case material: Titanium
Movement: Calibre 3126/3840

Posted at

Jul 1, 2025, 6:26 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic Beast - 26238CE - Full Set 2024

Audemars Piguet - 26238CE.OO.1300CE.01 · $91,500

The Royal Oak Offshore Chronograph “Beast” in full black ceramic, featuring a black Grande Tapisserie dial with white accents, perfect combination of style and durability.

Condition: Very Good
Serial number type: PX
Case material: Black Ceramic
Crystal condition: Like-new

Posted at

Jul 1, 2025, 2:43 PM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold Non-Converted Black Dial - 26320OR Full Set

Audemars Piguet - 26320OR.OO.1220OR.01 · $68,950

The Audemars Piguet Royal Oak Chronograph features a black dial against rose gold, with a 41mm case and matching bracelet.

Condition: Very Good
Case material: 18-carat gold
Bracelet material: rose gold

Posted at

Jul 1, 2025, 2:27 PM

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[US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST

Audemars Piguet - 26574ST.OO.1220ST.02 · $97,500

This Audemars Piguet Royal Oak Perpetual Calendar is a grail for most and a reality for the very few! In the popular blue steel combo and equipped with a full perpetual calendar, it displays the day, date, month, and moon phase, as well as a week indicator, making it an absolute marvel of complications!

Condition: Very Good
Serial number: J
Year: 2017
Accessories included: Audemars Piguet Outer Green Box,Audemars Piguet Green Inner Box,Audemars Piguet Archive Papers

Posted at

Jul 1, 2025, 1:48 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Havana - 26470ST - Full Set

Audemars Piguet - 26470ST.OO.A820CR.01 · $21,250

This beautiful AP Royal Oak Offshore 'Havana' features a striking brown Mega Tapisserie patterned dial and is one of the OG AP Offshores, with a 42mm case that adds to its desirability. The watch has an open case back allowing you to view the gorgeous 3126 movement.

Condition: Very Good
Serial number: J serial number
Year: 2017
Case size: 42mm diameter

Posted at

Jul 1, 2025, 1:23 PM

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[US] Audemars Piguet Royal Oak Selfwinding 41mm AP 15400OR Rose Gold Black Dial

Audemars Piguet - 15400OR.OO.D002CR.01 · $35,975

The watch is housed in an insanely finished 18-carat gold case, which contrasts beautifully against the stunning black dial.

Condition: Very Good
Case material: 18-carat gold
Clasp material: rose gold
Strap: Audemars Piguet leather strap

Posted at

Jul 1, 2025, 1:12 PM

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Audemars Piguet – Royal Oak Offshore Chronograph Vampire Date Black Dial 42mm Automatic Steel 50h reserve

Audemars Piguet - 26470ST.OO.A101CR.01 · $18,995.002

The Audemars Piguet Royal Oak Offshore Vampire is a unique and dependable watch that features a black dial, bright red details, and a sporty edge. It has a 42mm stainless steel case, a sapphire crystal, and a rubber strap. The watch includes a date display at 3 o'clock, three subdials for seconds, minutes, and hours, and a reliable automatic movement with a 50-hour power reserve.

Condition: Very good shape with some signs of wear
Movement Type: Automatic
Case Material: Stainless Steel
Dial Color: Black

Posted at

Jul 1, 2025, 12:45 PM

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Audemars Piguet Royal Oak 15500ST White Dial – Full Set – Under Warranty

Audemars Piguet - 15500ST.OO.1220ST.04 · $36,500

Up for sale is my Audemars Piguet Royal Oak 15500ST with the clean white Grande Tapisserie dial.

Condition: Mint
Case size: 41mm diameter
Dial color: White
Movement: AP Calibre 4302 (70-hour power reserve)

Posted at

Jul 1, 2025, 10:50 AM

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Audemars Piguet - Royal Oak Offshore Chronograph Vampire Date Black Dial 42mm Automatic Steel 50h reserve

Audemars Piguet - 26470ST.OO.A101CR.01 · $19,849

The Audemars Piguet Royal Oak Offshore Vampire features a black dial with bright red details and a stainless steel case. It has a 42mm diameter and a water resistance of up to 330 feet. The watch includes a date display at 3 o'clock, along with three subdials that track seconds, minutes, and hours.

Condition: Very good shape, some signs of wear
Case material: Stainless Steel
Dial color: Black
Strap: Rubber

Posted at

Jul 1, 2025, 10:49 AM

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