What does 4 hands on a watch mean?
A: The fourth hand is a 24 hour hand that is used to tell the hour in another time zone. The fourth hand can be set independent of the hour hand to measure another time zone and with the rotating bezel a third time zone can be measured. Tips for reading a watch dial On a traditional three-hand watch, the shorter hand indicates the hour, the longer hand shows the minutes, and the thinnest hand displays the seconds.