A GMT watch shows three time zones at once. Setting one means putting four hands in the right places in the right order, and most manuals assume you already know how. Pick your zones. The app counts the crown clicks and the bezel clicks for your offsets, then walks you through them a step at a time, against a diagram of your own dial that moves as you work. WHAT YOU GET Hand positions for your zones, to the minute. A crown click count, and a bezel click count with the direction to turn. The…