Selects the specific digit (hour, minute, date) to change.
Press the MODE button to return to the standard clock view. Maintenance and Battery Replacement
Press three times to enter time-setting mode (seconds will flash). Press S to select the minutes; press D to adjust the value. Press S again to select the hours; press D to adjust.
Your Nako Na-617a can function as a basic stopwatch.
Press once to enter stopwatch mode (display shows 00:00:00). Press D to start the timer. Press D again to stop or pause the timer.
The button cell battery inside the clock might be running low and needs to be replaced.
Tip: Keep pressing until you reach the desired hour, then press SET to move to minutes, and repeat.
Press the M (MODE) button three times rapidly.