Purpose takes flight with the Promaster Air Automatic GMT, the latest addition to our professional Promaster Air collection with new mechanical movement. Measuring 44.5mm on the wrist and water resistant up to 200m, the new flight-ready timepiece is a mission-focused powerhouse, featuring a sturdy construction in silver-tone stainless steel with a 24-hour bezel and two bold crowns to match.On its pilot-style dial, high-performance luminous hands and markers contrast against a black background for quick legibility.