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CHRONOGRAPH – L688
4
H
4
D
G
A Crown
B Hour hand
C Minute hand
D Small seconds
Hour, minute, seconds and date display. Can be used to time events lasting up to 12 hours, displaying the
results to the nearest 1/5
Screw-in crown
Some LONGINES models are equipped with a screw-in crown, which must be unscrewed before setting the
time, correcting the date or winding, by turning it anti-clockwise. After making the settings, return the crown
to position 1, then push it back in and screw it in firmly to ensure the watch's water resistance.
BC
60
45
15
30
9
E Date window
F 30-minute counter
G 12-hour counter
H Chronograph seconds
hand
of a second.
th
2
60
1
2
30
20
10
12
3
6
E
A
F
3
2 Start/ stop push-piece.
Engage and disengage the
chronograph hand and
counters
3 Chronograph hand and
counters reset push-piece
4 Date corrector
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