Authenticity: The Audemars Piguet Royal Oak Concept 26580IO.OO.D010CA.01 Tourbillon GMT is an epitome of advanced watchmaking and contemporary design. Featuring a mesmerizing tourbillon and a practical GMT function, this timepiece is perfect for the modern traveler who appreciates intricate craftsmanship. Warranty: Comes with a comprehensive warranty that ensures your timepiece is protected against defects, providing peace of mind and confidence in your purchase.