Operation Manual
4
chronograph stopwatch vd53b
(1 crown/2 pushers)
time and date setting
1. before setting the time, make sure the chronograph is stopped and set to zero  
(12:00) position.
2.  pull crown out to position 2.
3.  turn crown clockwise until the previous day’s date is displayed.
4.  pull crown out to position 3 when the second hand is at the 12:00 position.
5.  turn crown to set time.
  note: 24-hour hand moves correspondingly with the hour and minute hands. when setting 
the time be sure to check that the 24-hour hand is set properly.
6.  return crown to position 1.
  note: when the crown is in position 2, do not press the pushers. otherwise the 
chronograph hands will move.
chronograph
1. press a to start/stop the chronograph.
2.  press b to reset to zero.
split time
1. press b while the chronograph is running.
2.  press b again to return to the chronograph.
3.  press a to finalize timing.
4.  press b to reset.
chronograph zero reset
1. if either of the chronograph hands is not at the zero (12:00) position, pull crown out to 
position 3.
2.  press a to move hands clockwise; press b to move hands counter-clockwise.
3.  return crown to position 1.
321
a
b
24-hour hand
minute hand
second hand







