User Manual

0S90 Operating Instructions (Chronograph)

Chronograph reset (incl. after replacing battery):

This procedure should be performed when the chronograph 1/100 second

hand and the chronograph second hand do not return to zero position

after the chronograph has been reset, and including after the battery has

been replaced.

1. Pull the crown out to the 2nd position.

2. Press button “A” to set the chronograph 1/100 second hand to zero

position.

3. Press button “B” to set the chronograph second hand at 6 o’clock

to zero position. The chronograph hands can be advanced rapidly by

continuously pressing button “A” or “B”.

Standard measurement.