Promaster Sky Automatic GMT Luxury Sport Watch

Powered by the motion of your own arm and backed by a 50-hour power reserve, this mission-focused timepiece has no batteries, no digital display, and no computer mechanisms to fail on you. Made from sturdy stainless steel, it’s loaded with pilot features like an aeronautical slide-rule, 24-hour bezel, and a GMT hand to track time zones and travel stats at any altitude. Go completely analog with this professional flight watch