L538 - Longines L602 Manual

60-second counter
30-minute counter
Hour hand
Small seconds
How to use your Longines chronograph
When used as a watch, the Longines calibre L538 quartz chronograph
shows the hour, minute, seconds and the date in a window.
In its chronograph function, this model can time events lasting up
to 30 minutes, while displaying the results to the nearest 1/10
of a second.
• Quick time zone and date adjustment.
• The hour and minute are displayed by the 2 big central hands.
• The small seconds are displayed on the counter at 6 o'clock.
• The 30-minute chronograph displays the minute, seconds and
tenths of a second.
• Quick-moving chronograph counter hands.
• Electronic quartz movement with 5 motors and 6 hands.
• Hour with time zone mechanism, minute and jumping small
seconds.
• The time measurement and hand movements are managed by
a microcontroller.
Book_I.indb 93
1 2 3

L538

L538
*PowerDrive technology:
PowerDrive controls the chronograph motors, and is able to boost
the hand travel speed to more than 200 Hz (i.e. 200 hand jumps
per second in both rotation directions).
th
This technology improves the hand movement control, which
makes for a highly dynamic display. PowerDrive also enables
numerous counter programming options.
L538
Quartz chronographs
1/10 th of a second counter
Minute hand
Push-piece A
Start – Stop
3-position crown
Push-piece B
Split and reset
Date window
13.08.19 10:57
93