The Citizen Promaster Air Mechanical GMT Series NB6045-51H is a high-performance pilot's watch designed for the modern aviator and global traveler. With its GMT function, you can effortlessly track a second time zone, while the precise Caliber 9054 automatic movement ensures accurate timekeeping. The stylish gray dial, sapphire crystal, and 200m water resistance make it a versatile and reliable companion for any journey.