For timing events up to 1 hour
1.
To start chronograph press button TR.
2.
To stop chronograph press button TR
3.
To return hand to zero position press button BR
Troubleshooting - If your watch receives a knock and
the second hand is not on zero:
1.
Pull out crown to Position C
2.
Press TR to advance main second hand to zero
3.
Press BR to advance minute counter hand to zero
4.
Return crown to Position A
