The Citizen Promaster Air A-T Blue Dial is the pinnacle of pilot watch engineering, combining professional aviation tools with the reliability aviators demand. This aviation calculator watch is a personal flight computer, featuring atomic timekeeping that syncs to the exact time across 43 cities worldwide. Reliable backup navigation for pilots is provided by the rotating bezel, which acts as a sophisticated calculator for essential aviation calculations—from fuel consumption to ground speed. The built-in chronograph offers precise timing for flight operations. The striking blue dial and ion-plated bezel create a distinctive aviator timepiece that commands respect in the cockpit. The durable polyurethane strap withstands the rigors of daily flight operations. Citizen's Eco-Drive technology harnesses any light source to power this flight computer watch, eliminating the anxiety of dead batteries. The Citizen Promaster Air A-T is suitable for both men and women.