L678, Position crown – Longines DolceVita User Manual

Page 42

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Shows the hours, minutes, seconds, day, month, date
and phases of the Moon. Can be used to time events
lasting up to 12 hours, showing the result to 1/5

th

of a

second.

3-position crown

Adjusting the time and stop seconds
(See page 59)

Quick adjustment of the date and month
Pull the crown right out to position 2 and turn it back-
wards
to adjust the date and month. Then push it back
in to position 1. It is necessary to adjust the date at the
end of each month with less than 31 days.

Adjusting the phases of the Moon
Pull the crown out to the intermediate position 2 and
turn it forwards to adjust the phase of the Moon until
the full Moon appears at the centre of the phases of

the Moon aperture. Determine the date of the last full
Moon using a diary or calendar indicating the dates
of the full Moon*. Turn the crown forwards again to
the position indicated on the table of lunar months.

* See table of lunar months on page 53.

82

IMPORTANT! The date and the phases of the
Moon should not be adjusted between 7 p.m. and
6 a.m. as doing so may damage the mechanism.

L678-Phases of the Moon

Automatic chronographs

Adjusting the day of the week
Push-piece

C

for adjusting the day of the week is situ-

ated at 10 o’clock. Using the soft-pointed instrument
provided by Longines, press the push-piece to obtain
the exact day.

Chronograph standard functions
(See page 74)

L678

Phases of the Moon

Hour hand

Day of the week aperture

Day of the week push-piece

Minute hand

Month aperture

30 minute counter

3-position crown

Calendar with hand

Chronograph

seconds hand

Return-to-zero push-piece

for the chronograph hand

and counters

Start/stop push-piece.

Engagement and disengagement

push-piece for the chronograph

hand and counters

24-hour hand

Small seconds

12-hour counter

Phases of the Moon

1 2 3

B

A

C

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