Hamilton Watch Khaki Navy UTC Auto. Hamilton Navy UTC is a timepiece inspired by the navigation instruments used in the 40s. The watch is equipped with Swiss made ETA 2893 2 automatic calibre. The movement is protected from magnetic influences. This watch is capable of presenting information about 24 time zones. It uses the International Air Transport Association (IATA) airport codes as references. A date display is positioned at the 3 o'clock mark. Hands are luminous for improved night time visibility. Additional useful features include minute markers around the outer rim of the dial, see through case back, screw down crown and scratch resistant sapphire crystal glass.