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97
Hour hand
30 minute counter
Chronograph
seconds hand
Minute hand
2-position
crown
Small seconds
Date aperture
L788
Single push-piece
1
2
Date push-piece
C
Shows the hours, minutes, seconds and date. Can be used to
time events that last up to 30 minutes, the results being shown to
1/5
th
of a second.
2-position crown
Adjusting the time and stop seconds
(See page 66)
Quick date adjustment
Push-piece C for adjusting the date is at 7 o’clock. Using the soft-
pointed instrument provided by Longines, press the push-piece to
obtain the exact date. It is necessary to adjust the date at the end of
each month with less than 31 days.
Function
The functions of a single push-piece chronograph are activated via the
crown only. To start the chronograph, press the crown once. When
you press the crown again, timing will stop and you will be able to read
the elapsed time. To reset the chronograph, press the crown again.
Important! Unlike a regular chronograph, once stopped, timing can
no longer be restarted / continued. Simple timing is the only option.
Hour hand (24 h)
Minute hand
Chronograph
seconds hand
3-position crown
Small seconds
Date aperture
1 2 3
L789
24 h / Single push-piece
24-hour, minute, seconds and date display. Can be used to time
events lasting up to 60 seconds, while displaying the results to the
nearest 1/5
th
of a second.
3-position crown
Adjusting the time and stop seconds
(See page 66)
Quick date adjustment
(See page 66)
Function
The functions of a single push-piece chronograph are activated via the
crown only. To start the chronograph, press the crown once. When
you press the crown again, timing will stop and you will be able to read
the elapsed time. To reset the chronograph, press the crown again.
Important! Unlike a regular chronograph, once stopped, timing can
no longer be restarted / continued. Simple timing is the only option.
Automatic chronographs L788, L789 – Single push-piece
02-English.indd 97 15.11.18 09:47
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