A button

Pressing this button in the Timekeeping Mode cycles between displays.

C button

Each press cycles between watch modes.
In any mode, hold down this button for at least one second to return to the Timekeeping Mode.

Function hand

Indicates the current charge level.
Shows the remaining time when there are 30 minutes or less remaining before an alarm time or the end of a timer countdown.

Hour hand

Minute hand

LCD

B button

Press to turn on illumination.

D button

Pressing this button while any setting screen is displayed will change the setting.