The Navitimer 1 B01 Chronograph watch, with a diameter of 43 mm, is a classic model loved by aviators and aviation enthusiasts since 1952. Made with a steel case, a black dial with red seconds hand, silver chronograph counters, and applied indexes. Available in steel, steel and gold, and 18ct red gold, with various dial colors. It features a bidirectional rotating bezel and a reliable Breitling 01 manufacture movement.