Holst World Time and Alarm Watch Brown. The Holst World Time and Alarm features the ability to simultaneously display the time in both your current location and any other time zone in the world. Cities listed around the beveled dial represent each of the 24 world time zones. With the push of a button, the time in the upper sub eye changes to reflect the minute and hour in a corresponding time zone, as indicated by the city hand. The bottom subdial displays the alarm function.