Citizen 0580 - Using the Chronograph

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This chronograph can measure and display up to 12 hours in 1/20 second units. •
After displaying for 12 hours, it starts measuring from 0 second again.
The chronograph 1/20 second hand keeps time continuously for 30 seconds after starting •
and then stops at the 0 second position.
After finishing measurement, press button (B) to stop the chronograph function. •
Otherwise, it keeps consuming the battery power, and the battery life will be shorter.
Using the chronograph
Chronograph second hand
Chronograph
minute hand
Chronograph
hour hand
Chronograph 1/20 second hand
Button (B)
Button (A)