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

Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 26240CE
This Audemars Piguet Royal Oak features a black ceramic case, black Grande Tapisserie dial with pink gold accents, and a discreet date display at 4:30. It has a 70-hour power reserve, is water-resistant up to 50 meters, and includes luminous hour markers and hands for easy readability.
- Condition: Mint condition with little to no signs of wear
- Case material: Black ceramic
- Diameter: 41mm
- Depth rating: 50m

Audemars Piguet Royal Oak Offshore Chronograph �Summer� White Pink Gold 26408OR
This exclusive edition of 500 pieces captures the relaxed and celebratory mood of the summer season. Features an attractive 18k pink gold bezel with brushed and polished accents.
- Condition: Mint condition
- Limited Edition: 500 pieces
- Case Material: 18k pink gold
- Dial Type: Mega Tapisserie dial

Audemars Piguet Royal Oak Perpetual Calendar Black Ceramic FULL SET 26579CE
The watch features a slate grey dial with black subdials showing the day, date, month, and moon phase. It has a perpetual calendar that automatically adjusts for months of varying lengths and leap years.
- Condition: Mint condition with little to no signs of wear
- Material: Black ceramic case with a brushed finish and polished edges
- Movement: Gold-toned rotor and intricate movement inside
- Functions: Hours,Minutes,Seconds,Day,Date,Month,Year,Leap year,Moon phase

Audemars Piguet Royal Oak Offshore �Brick Beast� Blue Dial FULL SET MINT 26238OR
The Audemars Piguet Royal Oak Offshore Chronograph Blue Brick in Pink Gold features a deep blue Petite Tapisserie dial, pink gold-toned counters, and a brushed case with a transparent caseback. It presents itself with little to no signs of wear and comes as a full set.
- Condition: Mint condition
- Material: 18k pink gold
- Case Size: unknown
- Diameter: unknown

Audemars Piguet Royal Oak Offshore Diver 42mm Japan Limited Edition of 500 Rose
The Audemars Piguet Royal Oak Offshore Diver is a limited edition watch from Japan, featuring rose gold titanium and a 42mm case size.
- Condition: Very Good
- Case Size: 42mm diameter
- Limited Edition: one of 500

Audemars PIGUET ROYAL OAK STEEL 15450ST BLUE DIAL 37MM BOXES PAPERS
A 37mm Audemars Piguet Royal Oak Self Winding in stainless steel with a blue dial, purchased from an Audemars Piguet Boutique in 2018.
- Condition: Excellent Condition
- Bracelet size range: up to 6.75 inches wrist
- Package type: Complete Packages/Set (double boxes)
- Papers included: Yes

2005 Audemars Piguet Royal Oak 15300ST White Dial - Box and Papers
The Royal Oak, designed with a 39mm case size that is often worn slightly larger than traditional round watches. The white and steel case provides clean aesthetics, and the integrated bracelet has no slack.
- Condition: Very sharp
- Case Size: 39mm
- Bracelet Type: Integrated
- Wrist Fit: up to 7.5 inch

Audemars PIGUET ROYAL OAK 15510 STAINLESS STEEL BLUE NUIT DIAL 2023 FULL SET
A 2023 41mm Audemars Piguet Royal Oak self-winding stainless steel watch with a Bleu Nuit, Nuage 50 dial.
- Condition: Excellent, Unpolished Condition
- Diameter: 41mm
- Material: Stainless Steel
UNPOLISHED CASE MINT 2014 Audemars Piguet 15400ST Royal Oak 41mm with Box & Paper
A 2014 Audemars Piguet Royal Oak 41mm watch in excellent condition, featuring a stainless steel case and black dial.
- Condition: Excellent
- Case size: 41mm diameter
- Wrist size: 7 1/2 inches