User Manual

0S90 Operating Instructions (Chronograph)

To start the chronograph:

• Press button A.

• The small second hand will advance to the zero position at the

same time the chronograph starts, and then begin to run as the

chronograph second hand. After 1 minute and 1 second after the

chronograph has been started.

• The chronograph second hand will change over to running as the

chronograph minute hand.