Operation Manual

Chronographs

Calibre OS20: This chronograph can measure and display the time in

1-second intervals up to 59 minutes, 59 seconds.

Once started, the second hand of the chronograph records the time

continuously up to 59 minutes, 59 seconds.

Measuring time with the chronograph

1. The chronograph can be started and stopped each time button

„A“ is pressed.

2. Pressing button „B“ resets the chronograph and the chronograph second

hand and chronograph minute hand return to zero position.

Second of the

chronograph

Minute hand

Second hand

1st position

2nd position

Normal position

Date

Small second hand

Minute hand

of the chronograph

Hour hand

Button A

Button B

Calibre OS20