User Manual

JS50 / JS54 OPERATING INSTRUCTIONS CHRONOGRAPH
Minute hand
1st click position
Normal position
Button A
JS50 / JS54 Operating Instructions (Chronograph)
Setting the time:
1. Pull the crown out to the 1st Click Position.
2. Turn the crown to set hour and minute hands.
3. When the crown is pushed back to the normal position in
synchronisation with a time signal, second hand begins to run.
Using the stopwatch
This stopwatch is able to measure and display time in 1 second units up to
maximum of 29 min 59 sec.
The stopwatch will stop automatically after running continuously
for 30 minutes.
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