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
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

Audemars Piguet Royal Oak Chronograph White Steel FULL SET MINT 26300ST
The Audemars Piguet Royal Oak Chronograph features a white Grande Tapisserie dial with three subdials, protected by a glare-proof sapphire crystal. It has an elegant stainless steel case with brushed and polished finishes and an iconic octagonal bezel secured with eight hexagonal screws.
- Condition: Mint
- Case size: 41mm diameter
- Materials: Stainless Steel
- Water resistance: 50m depth rating

Audemars Piguet Royal Oak Offshore Ref. 26405CE
The Audemars Piguet Royal Oak Offshore Ref. 26405CE features a 44mm black ceramic and titanium case, making it a unique addition to any collection.
- Case material: black ceramic and titanium
- Size: 44mm
Audemars Piguet Royal Oak Chronograph 26315ST Silver Dial with Box and Papers
This is an Audemars Piguet Royal Oak Chronograph with a silver dial, stainless steel case and bracelet. The watch features a 38mm case size and has been well-maintained showing only light wear from use.
- Condition: Excellent
- Case Size: 38mm
- Bracelet Length: 19 links
- Wrist Size Fit: up to 7 inches
Audemars Piguet Royal Oak 15450ST White Dial with Box and Papers
This Audemars Piguet Royal Oak 15450ST features a sharp 37mm unpolished case, stainless bezel, and silver grand tapisserie dial with matching original factory hands.
- Condition: Excellent
- Case diameter: 37mm
- Bracelet length: up to 17.5cm / 6.88"
- Box and papers included: yes
Audemars Piguet Royal Oak Double Balance Wheel Openworked 2024 15407ST 41mm
The Audemars Piguet Royal Oak Double Balance Wheel Openworked is a new, automatic men's watch featuring a steel case with a diameter of 41mm and water resistance up to 5 ATM.
- Condition: New
- Case material: Steel
- Bracelet material: Steel
- Case diameter: 41mm

1983 Audemars Piguet 25572BA 18k Yellow Gold Royal Oak Owl w/ Certificate
A 1983 Audemars Piguet Royal Oak Owl watch featuring a Mk. I non-luminous cream day date dial, housed in an 18k yellow gold case and integrated bracelet.
- Condition: pre-owned with light polish
- Case material: 18k Yellow Gold
- Bracelet length: 7.2in fits wrist
- Bezel material: 18k Yellow Gold
Audemars Piguet Royal Oak 15510ST 50th Anniversary Box and Papers
50th Anniversary edition Royal Oak watch from Audemars Piguet, featuring a stainless steel case and excellent condition with minor signs of wear.
- Condition: Excellent with signs of wear
- Year: 2022
- Contents: Full Set
- Papers: Label
Audemars Piguet Royal Oak 15500ST Silver Dial with Box and Papers
The watch features a 41mm case with a stainless bezel, silver dial, and original factory hands. The 19-link AP bracelet shows extremely light stretch.
- Condition: Excellent
- Case diameter: 41mm
- Bracelet size range: up to 17.6 cm / 6.92 inches
- Warranty documents included: true