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
50

Current Listings

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  • Condition: Excellent condition
  • Case size: 42mm
  • Case material: 18k Rose Gold
  • Bezel: Brushed Rose Gold Octagonal Bezel with Polished Screws
Posted at
May 6, 2025, 4:56 PM
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  • Condition: Very good condition, slight marks on the case and clasp
  • Case size: 42mm diameter
  • Material: Rose Gold
  • Bezel material: Rubber
Posted at
May 5, 2025, 8:23 PM
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  • Condition: nice pre-owned condition with light cosmetic wear
  • Case diameter: 39mm
  • Water resistance: 50 Meters
Posted at
May 5, 2025, 5:41 PM
Active
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  • Condition: Mint, Unpolished Condition & Very Beautiful
  • Diameter: 41mm
  • Case material: 18K Rose Gold
  • Bracelet material: Rose Gold
Posted at
May 5, 2025, 10:01 AM
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  • Condition: Mint, Unpolished Condition
  • Case size: 34mm diameter
  • Water resistance: unknown
Posted at
May 5, 2025, 9:59 AM
Active
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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
Posted at
May 5, 2025, 9:10 AM
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  • Condition: New and unworn
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Bezel: Brushed Stainless Steel Octagonal Bezel with Polished Screws
Posted at
May 5, 2025, 1:18 AM
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  • Case size: 42mm
  • Movement: Caliber 3126/3840 automatic movement
  • Power reserve: 50 hours
Posted at
May 4, 2025, 7:38 PM
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  • Condition: Excellent pre-owned condition with faint wear/handling marks
  • Case diameter: 42mm
  • Movement caliber: AP 2326 / 2847
  • Reserve: 48 hour reserve
Posted at
May 4, 2025, 7:28 PM
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