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Extra-Thin Tourbillon
Hand-wound watch. Stainless steel case, blue dial, stainless steel bracelet.
Explore Royal Oak
Royal Oak To break the rules, you must first master them. 
Savoir-faire Time Keeping Complications 
Savoir-faire Making a Royal Oak case and bezel Details
- Case Width 41.00 mm
- Case Thickness 8.85 mm
- Water Resistance 50 m
Specifications
- Case
- Glareproofed sapphire crystal and caseback, water-resistant to 50 m
- Dial
- "Petite Tapisserie" pattern, gold applied hour-markers and Royal Oak hands with luminescent coating
- Bracelet
- Stainless steel or 18-carat pink gold with AP folding clasp
- Reference
- 26510ST.OO.1220ST.01
- Functions
- Hours/Minutes
- Base movement thickness
- 4.46
- Total diameter
- 31.5 mm
- Total diameter
- 14 lines
- Type of balance
- With Variable inertia screws
- Frequency of balance wheel
- 3,00 (=21'600 alternances/hour) Hz
- Balance-spring type
- Breguet (Philipps)
- Number of jewels
- 25
- Power reserve
- 70 h
- Number of parts
- 216
specificities
- Movement with plat tourbillon
- Power reserve on back side
- Differential power reserve
- TOURBILLON
Calibre
See the layers of the Calibre DOWNLOAD USER MANUAL (PDF)Calibre 2924 Manufacture
Front 
Back
Expert Service
As an Audemars Piguet owner, you’ll have access to the world’s brightest master horologers – many trained here in the Vallée de Joux.
ServiceVisit a Boutique
You can indulge your fascination with our timepieces at retail locations and at our exclusive boutiques, all over the world.
Where to buy
Audemars Piguet History
The Royal Oak is named for British Royal Navy battleships, themselves christened for the tree where King Charles II hid from his enemies.
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Royal Oak SELFWINDING
Selfwinding watch with date display and centre seconds.
