10
USING
YOUR WATCH
ROLEX
SERVICE
THE HEART OF THE
COSMOGRAPH DAYTONA MODEL
MEASURING ELAPSED TIME
To measure elapsed time, follow the
steps in the order given:
–Completely unscrew the pushers by
turning them counterclockwise.
–Ensure that the chronograph seconds
hand is stopped. If necessary, stop it
by pressing the upper pusher.
–Press the lower pusher to reset the
chronograph seconds hand and
counters to zero.
–Press the upper pusher to start timing.
–Press the upper pusher again to
stoptiming.
–Read the elapsed time. The centre
seconds hand displays the elapsed
seconds, for a precise reading. The two
counters at 3 o’clock and 9 o’clock
on the dial indicate respectively the
elapsed minutes and hours.
–Screw the pushers back down by
turning them clockwise.