Authenticity: The Richard Mille RM21-01 Tourbillon Carbon Replica from the RM Factory is a sophisticated blend of high-performance engineering and cutting-edge design. Its carbon case and intricate skeleton dial exemplify the precision and craftsmanship synonymous with Richard Mille. Warranty: This RM21-01 replica includes a comprehensive 2-year warranty, ensuring protection against defects or malfunctions and providing confidence in your purchase.