The Navitimer 1 B01 Chronograph 43 TWA Edition features a transparent sapphire glass back with the TWA logo. Available from April 2019, it has a stainless steel case, silver dial, anthracite sub-dials, and a vintage-inspired brown leather strap. The in-house mechanical chronograph movement offers precision and a power reserve of approximately 70 hours. Also available with a brown leather strap with a tang buckle or a stainless steel mesh bracelet.