Mode change with rotary switch:
Mode change can be made easily by turning the rotating bezel.
Time/Calendar function:
The calendar is a fully automatic calendar with dates from January 1, 2025 to December 31, 2074. The watch can be toggled between 12-hour and 24-hour systems.
Timer function:
May be set to up to 100 minutes in 1-minute increments.
Counter Function:
Each press of the button allows for a counting measurement.
When using the single counter, this function can count up to 9999, and when using the twin counter, this function can count up to 99 (two digits) each on the left and right.
Stopwatch function:
The stopwatch can count up to a maximum of 99 hours, 59 minutes, 59 seconds in increments of 1/100 seconds (after 60 minutes have passed, in increments of 1 second).
Split time (intermediate elapsed time) measurement is also possible.
Dual Time Display:
In addition to the main time display, the time in another region can be displayed simultaneously.
Alarm function:
There are two types of alarms: a daily alarm that sounds every day at a set time, and a single alarm that sounds only once at a set time.
Internal Light (LED) Function:
When in time/calendar mode, pressing Button 
will turn on the light for 2 seconds.
Battery End of Life Warning Function:
When the remaining battery power of the watch runs low, the battery end of life warning icon will light up to indicate that the battery needs to be replaced.