Zeroing The Chronograph Second Hand - Citizen B51 Instruction Manual

<Measuring Time with the Chronograph>
A
(1) Pressing button starts and stops the chronograph.
(2) Pressing button when the chronograph is stopped returns the chronograph to the
B
reset display.
* If button is pressed by mistake during chronograph measurement, the chronograph
B
will return to the reset display. Be careful not to accidentally press button
time measurement.
A
Reset
Measurement
18
A
B
Stop
A
Can be repeated

9. Zeroing the Chronograph Second Hand

The zero position of the chronograph second hand may rarely shift out of position after
replacing the battery or after the watch has been subjected to a strong shock. When the
chronograph second hand does not return to the zero position when the chronograph has
been reset, correct the hand position using the following procedure.
during
B
Chronograph second hand
Reset
Chronograph minute hand
A
60
50 10
Normal position
40 20
30
Crown
Correcting position
(2nd position)
B
19