Citizen Eco-Drive F150 User manual

INSTRUCTION MANUAL

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

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 74 to 85)
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
3

4
• Eco-Drive
Never needs a new battery.
This watch is fueled by light.
• World time
Indicates the time around the
world by choosing one of 40
time zones.
• ±5-second average monthly
accuracy
Keeps high accuracy without
time signal reception.
• Perpetual calendar
No need for monthly and
leap-year date correction until
February 28, 2100.
Satellite Wave-GPS
Receives location and time
information sent from GPS satellites
and adjusts the time and calendar on
the watch automatically.
Light-Level Indicator
Indicates current power generation
amount in 7 levels.
It can be used as a reference for
choosing a good charging place.
Features
* “Eco-Drive” is an original technology of Citizen.

5
CONTENTS
Before using this watch .......
7
Band adjustment............... 8
Protective stickers .............. 8
How to use a specially designed
crown/button ................ 9
Component identification ...
11
Charging your watch........
12
Checking the current power
reserve and power generation
amount ..................... 18
Setting the world time......
24
Obtaining location information
from satellite signal.......... 31
Setting the time zone
manually .................... 33
Receiving time
information ..............
34
Checking the previous
reception result of the satellite
signal ....................... 42
Switching daylight saving time
and standard time.........
44

6
CONTENTS
Information on satellite signal
reception.................
46
Checking and adjusting leap
second setting ............
52
Checking and adjusting the
rollover number setting ....
55
Adjusting the time and calendar
manually.................
58
Checking and correcting the
reference position .........
62
Troubleshooting ...........
66
Eco-Drive watch handling
precautions. . . . . . . . . . . . . . .
74
Water resistance ...........
76
Precautionary items and usage
limitations ...............
78
Specifications .............
86

7
After unpacking, the following must be done before using the watch:
1Checking the current power reserve (page 12)
2Setting the world time (page 24)
3Receiving the satellite signal (page 46)
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 pages 12.
• Especially, satellite signal reception is power-consuming.
Be sure to keep your watch sufficiently charged.
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 your nearest authorized Citizen 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
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.