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81
Quartz chronographs L440
Chronograph 1/100th of a
second hand
12-hour counter
3-position crown
Hour hand
Chronograph seconds hand
Small seconds
2 31
L440
Minute hand
1/100th of a second counter
30-minute counter
Push-piece A Start-Stop
Date aperture
Push-piece B Split
and return to zero
Longines’ quartz chronograph tted with calibre L440 shows the
local time (hours, minutes, small seconds), and the date in a window.
• Quick time zone and date adjustment.
• The hour and minute are displayed by the 2big central hands.
• The small seconds are displayed on the counter at 6 o'clock.
• Rate precision ±0.07 seconds per day (PreciDrive).
• The 12-hour chronograph displays the hour, minute, seconds
and hundredths of a second.
• Quick-moving chronograph counter hands.
• Electronic quartz movement with 5motors and 7 hands.
• Hour with time zone mechanism.
• The time measurement and hand movements are managed by
a micro-controller.
• The movement seconds are controlled by a PreciDrive Watch
Module.
3-position crown
Simple function
In this function, with the crown in position 1, push-piece A is used to
switch the chronograph status between START and STOP.
After START is pressed, the counter hands will show the measured
time. The 1/100th of a SECOND counter hand will not turn.
After STOP has been pressed, the 60-SECOND, 30-MINUTE and
12-HOUR counter hands will stop running. The 1/100th of a SECOND
counter hand will move to show the one hundredths of a second value.
To measure another time, press push-piece B to return the counters
to zero (RESET). All the hands will quickly return clockwise to their
start point, and the chronograph will switch back to watch mode.
02-English.indd 81 14.11.18 15:43
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