Calypso Watches DIGITAL IKMY121E61 Manuel D'instruction page 16

8. HOW TO SET THE CHRONOGRAPH
NORMAL TIME CHRONOGRAPH
BEFORE 30 MINUTES AFTER 30 MINUTES
1/100 SECONDS
1/10 SECONDS
MINUTES SECONDS
HOURS
START RUNNING
SECONDS
FIRST LAP
READ
MINUTES
28
STOP
SECOND LAP SECOND LAP LAST LAP
COUNTING READ COUNTING
29
RESET NORMAL TIME
LAST LAP STOP TIME
READ