16
CHRONOGRAPH FUNCTIONS
Overview
Use buttons Aand Bto operate the chronograph. Pressing
button Athe first time will start the chronograph. Pressing
button Aa second time will stop the chronograph,
allowing elapsed time to be read. Pressing button Aa
third time will restart the chronograph. Pressing button B
will reset chronograph hands C, Eand Fto zero.
IMPORTANT: Crown must be in position 1, screwed
down into case, and counter hands must be at zero
before chronograph is started. Press button Bto reset
hands to zero, or, if necessary, reset them following
instructions below.
To reset chronograph counters to zero:
All chronograph hands must be in the zero position
before you start a timing. Unlock crown and follow
these steps as needed to reset the hands of the counters:
60-Minutes counter:
Pull crown to position 2, press and hold push-button B
and rotate crown clockwise.
30-Seconds counter:
Pull crown to position 3, press and hold push-button A
and rotate crown clockwise.
5-Minutes counter:
Pull crown to position 3, press and hold push-button B
and rotate crown clockwise.
Simple chronograph functions:
To measure the duration of a single, non-stop event:
1. Press button Ato start chronograph.
2. Press button Aa second time to stop chronograph,
and read the chronograph hands to determine
elapsed time, for example: 5 minutes, 57 seconds.
3. Press button Bto reset chronograph hands to zero.
Accumulated time functions:
To measure the combined time of a series of shorter
events, for example the actual playing time of a football
game, where play is repeatedly interrupted:
1. Press button Ato start chronograph.
2. Press button Aa second time to stop chronograph
and read elapsed time.
3. Press button Aagain to resume measurement.
4. Press button Aa fourth time to stop chronograph
again, and read new elapsed time.
NOTE: Each time you stop chronograph, chronograph
hands will indicate total accumulated time.
5. Repeat steps 1 and 2 to add each additional interval
of time.
6. After you have taken your final accumulated time
reading, press button Bto reset chronograph hands
to zero.
Split-time or intermediate-time functions:
To take intermediate time readings as a race progresses:
1. Press button Ato start chronograph.
2. Press button Bto momentarily stop chronograph.
3. Read off the intermediate time, for example:
6 minutes, 4 seconds.
4. Press button Bto resume chronograph function; the
3 chronograph hands will quickly catch up with
ongoing event.
5. To read a second split time, press button Bagain.
Repeat steps 2 through 4 to take any additional
split times.
6. Press button Ato stop chronograph.
7. Take a reading of the final time, for example:
25 minutes, 18 seconds.
8. Press button Bto reset chronograph hands to zero.
QUARTZ CHRONOGRAPH
1/1 OF A SECOND – TYPE B
Includes the Series 800 Sub-Sea retrograde chronograph