Calypso Watches DIGITAL IKM10-0330-06A Manuel D'instruction page 14

7. HOW TO USE THE CHRONOGRAPH
NORMAL TIME CHRONOGRAPH START RUNNING STOP RESET NORMAL TIME
BEFORE 30 MINUTES AFTER 30 MINUTES
1/10
SECONDS
SECONDS
1/100 SECONDS
FIRST LAP SECOND LAP SECOND LAP LAST LAP LAST LAP STOP TIME
READ COUNTING READ COUNTING READ
HOURS MINUTES
MINUTES SECONDS
24 25