With World Time, you can select the desired World Time City from one displayed in the GBA-400+ city list or world map.

1. Tap the “GBA-400+” icon.

2. Hold down the (B) button for about 0.5 seconds.

This causes the watch and phone to connect with each other, and the watch to enter the Control Mode.

3. Tap “Watch settings”.

4. Tap “World time”.

5. Perform the operation shown on the phone screen.