QUARTZ ANALOG CHRONOGRAPHS 1/1 OF A SECOND – TYPE C
with small chronograph minutes/seconds counters, 24-hour hand and date. Includes Laptime (SF 102.12, 131.3), Aerodinamico
(SF 114.1, 153.1), Grand Premio Quartz (SF 139.1, 139.2), and GTB-C (SF 143.1, 143.2) quartz chronograph models
Legend
1, 2
– Crown positions
Button
A
– Start/Stop
Button
B
– Reset
H
– Hour Hand
M
– Minute Hand
S
– Normal Seconds Hand
C
– Chronograph Seconds Counter
E
– Chronograph Minutes Counter
F
– 24-Hour Hand
D
– Date Display
These chronograph models feature a minute counter (up to 60),
seconds counter, small 24-hour hand, and date display. They can be
used to time an event up to 59 minutes and 59 seconds in duration
to the nearest second.
To set the TIME and DATE:
NOTE: Before setting the time, make sure chronograph measurement
is stopped and both chronograph hands have been returned to zero
position at 12 o’clock.
1. Pull crown out to position 2.
2. Turn crown clockwise until desired date appears in Display
D
.
3. The instant Seconds hand
S
reaches the 12 o’clock position,
pull crown out to position 3; watch stops.
NOTE: Do not press button
A
or
B
, otherwise chronograph hands
will move.
4. Turn crown in either direction to set Hour
H
, Minute
M
and
24-Hour
F
hands to desired time, taking AM/PM time into account.
NOTE: 24-hour hand
F
will move in sync with Hour hand
H
, so when
setting the hour, make sure 24-hour time is set properly.
5. Take an accurate time signal (from a radio news station, for
example). When the audible tone signals the exact time, push
crown back in to position 1; watch will restart, now set to the
exact time.
To RESET Chronograph Hands:
Before setting the time or running the stopwatch, make sure chrono-
graph counter hands
C
and
E
are in the zero position at 12 o’clock.
Follow these steps as needed to reset the counter hands following a
battery change or in the event of an error:
1. Pull crown out to position 3.
2. Press Button
A
to set Chronograph Seconds hand
C
to zero; to
advance hand
C
rapidly, press and hold Button
A
.
NOTE: Chronograph Minute hand
E
is synchronized automatically
with Chronograph Seconds hand
C
.
3. Once Chronograph hands
C
and
E
have been reset to zero
position, reset the time and push crown back into position 1.
Operating the CHRONOGRAPH
This stopwatch is able to measure and display time in 1 second
increments up to a maximum of 59 minutes/59 seconds. It will stop
automatically after running continuously for 60 minutes. Measured
time is indicated by Chronograph Minute
E
and Seconds
C
hands
which move independently of the center-mounted and 24-hour
watch hands.
Simple chronograph functions:
1. Press button
A
to start chronograph.
2. Press button
A
a second time to stop chronograph.
3. Press button
B
to reset chronograph to zero.
Accumulated time functions:
To measure the combined time of a series of shorter events, for exam-
ple the actual playing time of a basketball game, where play
is repeatedly interrupted:
1. Press button
A
to start chronograph.
2. Press button
A
a second time to stop chronograph and read
elapsed time.
3. Press button
A
again to resume measurement.
4. Press button
A
a 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
B
to reset chronograph hands to zero.
Split-time or intermediate-time functions:
To take intermediate time readings as a race progresses:
1. Press button
A
to start chronograph.
2. Press button
B
to momentarily stop chronograph and read the
intermediate time.
3. Press button
B
to resume chronograph function; the 2
chronograph hands will quickly catch up with ongoing event.
Repeat steps 2 and 3 as many times as needed to take additional
split times.
4. Press button
A
to stop chronograph, and take a reading of
the final time.
5. Press button
B
to reset chronograph hands to zero.
A
H
E
C
M
B
F
S
Figure A
1 – 2 – 3
D