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 Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

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

This 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey dial with a sapphire crystal and a rubber bracelet.

Condition: Like new
Case Size: 44mm
Case Material: Ceramic
Bezel Material: 18k Rose Gold

Posted at

Mar 17, 2026, 8:43 AM

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Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet - 26331BA.OO.1220BA.02 · $195,000

This stunning Audemars Piguet Royal Oak Chronograph features a yellow gold case with a rich green dial, one of only 125 pieces ever made.

Condition: like new
Limited edition: one of only 125 pieces ever made
Case size: 41mm diameter
Case thickness: 11mm

Posted at

Mar 17, 2026, 8:40 AM

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

Audemars Piguet - 56975ST · $22,300

A 1995 Audemars Piguet Royal Oak 120th Anniversary Limited Edition in stainless steel with a blue dial and quartz movement.

Condition: Minimal wear, overall very clean
Case Material: Stainless steel
Diameter: 33mm diameter
Lug Width: 23.5mm lug width

Posted at

Mar 15, 2026, 2:56 PM

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Audemars Piguet Royal Oak Offshore – 25721TI.OO.1000TI.06 – Titanium “Beast” – Full Set Box & Papers – Good Condition

Audemars Piguet - 25721TI.OO.1000TI.06 · $24,500

An Audemars Piguet Royal Oak Offshore Ref. 25721TI.OO.1000TI.06, the titanium version of the iconic Offshore 'Beast', delivering early Offshore design with a lightweight and wearable titanium case.

Condition: good condition
Case material: titanium
Bracelet type: titanium
Movement type: AP automatic chronograph movement

Posted at

Mar 14, 2026, 9:48 AM

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Audemars Piguet Royal Oak 41mm Blue Dial Ref:15400ST 🔥Preowned 2015, 40k🔥

Audemars Piguet - 15400ST.OO.1220ST.03 · $40,000

The listing is for an Audemars Piguet Royal Oak with a 41mm blue dial, reference number 15400ST.OO.1220ST.03, in preowned condition.

Condition: Preowned
Shipping-costs: $85 for US States
Payment-options: Wire or Credit Card (+4.9%)
Retailer-type: Full Time & Licensed Second Hand Watch Dealer

Posted at

Mar 14, 2026, 12:32 AM

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Audemars Piguet Royal Oak Offshore Panda 26170ST

Audemars Piguet - 26170ST.OO.D101CR.02 · $17,000

This iconic Audemars Piguet Royal Oak Offshore Panda perfectly captures the bold spirit that made the Royal Oak Offshore legendary. The 42mm stainless steel case is surprisingly easy to wear but delivers unmistakable wrist presence.

Condition: Pre-owned with signs of wear (scratches, scuffs, dents)
Case material: stainless steel
Diameter: 42mm
Movement: Caliber 3126/3840 automatic chronograph

Posted at

Mar 13, 2026, 3:03 PM

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