Casio GB-6900B - Stopwatch; To Enter the Stopwatch Mode

E-37
Stopwatch
The stopwatch measures elapsed time in units of 1/100 seconds up to 999 hours,
59 minutes, 59.99 seconds. Elapsed time returns to zero automatically and timing
continues from there when the maximum limit is reached.
To enter the Stopwatch Mode

In the Timekeeping Mode, press C four
times to enter the Stopwatch Mode.
See “Using Modes” (page E-14).
[STW] will appear on the display for about one
second, and then the stopwatch screen will
appear.
Seconds
Minutes
HoursCurrent time
1/100 second