Citizen Eco-Drive E784 User manual

NSTRUCTION MANUALI

To check the movement number
A case number—4 alphanumeric characters and 6 or
more alphanumeric characters—is engraved on the
case back. (Figure on the right)
The first 4 characters of the case number represent
the movement number of the watch. In the example
on the right, “ ” is the movement number.
Thank you for your purchase of this Citizen watch.
Before using the watch, read this instruction manual carefully to ensure
correct use.
After reading the manual, store it in a safe place for future reference.
Be sure to visit the Citizen website at http://www.citizenwatch-global.com/ .
Here you will find a variety of information such as electronic setting guides,
answers to frequently asked questions, Eco-Drive recharging information and
more.
Engraving position example
The engraving position may
differ depending on watch
model.
1
English

Safety precautions — IMPORTANT
This manual contains instructions that should be strictly followed at all times
not only for optimal use, but to prevent any injuries to yourself, other persons or
property. We encourage you to read the entire booklet (especially, pages 40 to 53 )
and understand the meaning of the following symbols:
■ Safety advisories are categorized and depicted in this manual as follows:
DANGER
Highly likely to cause death or serious injury.
WARNING
Can cause serious injury or death.
CAUTION
Can or will cause minor or moderate injury or damage.
2

■ Important instructions are categorized and depicted in this manual as follows:
(Following symbols are examples of Pictograms.)
Warning (caution) symbol followed by prohibited matters.
Warning (caution) symbol followed by instructions that should be
followed or precautions that should be observed.
Safety precautions
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English

4
Features
• “Eco-Drive” is an original technology of Citizen.
 World time
Easy to see the time for a second time zone, anywhere in
the world.
Summer time (DST) setting is also available.
 Eco-Drive
No periodical battery replacement is needed. This watch is
fueled by light.
 Perpetual calendar
No need for monthly and leap-year date correction until
February 28, 2100.

5
English
CONTENTS
Before using this watch...........................
7
Band adjustment........................................ 8
Protective stickers....................................... 8
How to use a specially designed crown/button........... 9
Component identification........................
11
Setting the world time ..........................
12
Setting summer time (DST) ......................
18
Charging your watch ............................
20
Adjusting the time and calendar ..................
26
Continued on the next page

6
CONTENTS
Correcting the reference position .................
32
Troubleshooting ................................
38
Symptom and remedies................................. 38
Eco-Drive watch handling precautions .............
40
Water resistance................................
44
Precautionary items and usage limitations .........
47
Specifications ..................................
54

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English
This watch has a rechargeable cell which is charged by exposing
the dial to light.
Expose the dial to direct sunlight regularly to charge the watch.
For details of charging, see page
20
-.
Adjust settings of the world time and summer time (DST) correctly before time
and calendar adjustment.
World time setting
(page
12
)
Choose a time zone corresponding to the time and
calendar you want to set.
Summer time (DST) setting
(page
18
)
Change the summer time (DST) setting (
SMT ON/OFF
)
following summer time (DST) status of your current
place.
Adjust the time and calendar after checking and setting the items above (page 26).
Before using this watch

8
Before using this watch
Band adjustment
We recommend seeking the assistance of an experienced watch technician
for sizing of your watch. If adjustment is not done correctly, the bracelet may
unexpectedly become detached leading to loss of your watch or injury.
Consult an authorized service center.
Protective stickers
Be sure to remove any protective stickers that may be on your watch (case back,
band, clasp, etc.). Otherwise, perspiration or moisture may enter the gaps between
the protective stickers and the parts, which may result in a skin rash and/or
corrosion of the metal parts.

9
English
Before using this watch
How to use a specially designed crown/button
Some models are equipped with a specially designed crown and/or push button to
prevent accidental operation.
Screw down crown/button
Unlock the crown/button prior to operate your watch.
Unlock Lock
Screw down
crown
Rotate the crown
counterclockwise until
it releases from the
case.
Push the crown in to the
case. With gentle pressure
towards the case, rotate the
crown clockwise to secure it
to the case. Be sure to tighten
firmly.
Screw down
push button
Rotate the
locking screw
counterclockwise, and
loosen until it stops.
Rotate the locking screw
clockwise, and tighten firmly.
Continued on the next page