The Richard Mille RM 039 Aviation E6-B is a limited edition timepiece designed for aviation enthusiasts and professionals. This watch integrates a bidirectional rotating bezel featuring a circular slide rule, enabling calculations essential for flight navigation, such as fuel consumption, flight times, and wind correction. The timepiece is powered by a manual-winding tourbillon movement, offering a 70-hour power reserve. Encased in Grade 5 titanium, it measures 50mm in diameter and 19.4mm in thickness, ensuring durability and a lightweight feel. The watch is secured with a black rubber strap and a titanium pin buckle. Limited to only 30 pieces, the RM 039 Aviation E6-B combines functionality with exclusivity, making it a coveted collector's item.