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TOURBILLON CHRONOGRAPH
Hand-wound tourbillon chronograph with small seconds at 9 o'clock. 18-carat yellow gold case, black dial, 18-carat yellow gold bracelet. Availability to be confirmed.
Explore Royal Oak
Royal Oak To break the rules, you must first master them. 
Savoir-faire Time Keeping Complications 
Savoir-faire Casin up a Royal Oak Details
- Case Width 44.00 mm
- Case Thickness 12.90 mm
- Water Resistance 20 m
Specifications
- Case
- Sapphire crystal and caseback, water-resistant to 20 m
- Dial
- «Grande Tapisserie» pattern, gold applied hour-markers with luminescent coating, gold Royal Oak hands with luminescent coating
- Bracelet
- Stainless steel or 18-carat yellow gold AP folding clasp
- Reference
- 25977BA.OO.1205BA.02
- Functions
- Tourbillon , chronograph, hours, minutes, small seconds
- Total diameter
- 13¼ mm
- Type of balance
- With Variable inertia screws
- Frequency of balance wheel
- 3,00 (=21'600 alternances/hour) Hz
- Type of balance-spring stud-holder
- Mobile stud
- Balance-spring type
- Breguet
- Number of jewels
- 28
- Power reserve
- 72 h
- Number of parts
- 290
specificities
- Integrated Chronograph movement
- Column wheel Chronograph mechanism
- 30-minute counter
- Manual finishing on both bridges and mainplate
- Manual finishing of the cut out parts (polished bevels, grained finishing on top and Matt "brouillé" finishing underneath)
- TOURBILLON
- Chronograph / Minutes counter / Seconds counter
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
Chronographs have long been a specialty of the watchmakers of the Vallée de Joux.
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