24-hour hand

C button

Each press cycles between watch modes.
Holding down this button for at least one second in any mode enters the Calendar Mode.

Mode hand

Second hand

Hour hand

Small hour and minute hands

Minute hand

Day indicator

A button

In the Stopwatch Mode, pressing this button starts and stops elapsed time measurement.

B button

Pressing this button causes the second hand to indicate the last receive operation result.

Crown