Seiko 1B25 Instructions Manual page 23

1. 基本機能 ･･････ 基本時計３針 （時・分・秒針） 、日付表示、ワールドタイム機能 （25 タイムゾーン）
2. 水晶振動数････ ３２， ７６８Ｈｚ （Hz=1 秒間の振動数）
3. 精度 ･･････････ 平均月差 ±１５秒以内 （電波受信による時刻修正が行なわれない場合、
かつ気温５℃〜３５℃において腕に着けた場合）
4. 作動温度範囲･･ − １０℃〜＋６０℃
5. 駆動方式 ･ ･････ ステップモーター式 （秒・分針、時針・日付）
6. 使用電源 ･･････ 専用二次電池：１個
7. 持続時間 ･･････ 約 6 ヶ月 （フル充電で、パワーセーブが作動しない場合）
※ フル充電をした状態からパワーセーブが作動した場合は最大約１． ５年
8. 電波受信機能 ･ 受信局：日本 （ 2 局） 、中国、アメリカ、ドイツ
自動受信 （午前 2 時前、午前 4 時前）
製
※ 受信状況によって異なる。
品
仕
※ 受信から次の受信までは上記クオーツの精度で動く
様
※ 強制受信機能付
9. 電子回路 ･･････ 発振、分周、駆動、受信回路：IC 2 個
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Contents
1. About this Product
Handling cautions ·································90
Before use · ···············································94
Features · ···················································96
Display and button operation · ··············98
How to use button ·····························100
Crown ······················································101
2. Before Use
Before use · ············································102
Checking the charging status ···102
Checking the time and date ·······103
3. How to Set the Time (Radio Signal Reception)
S etting the time and date by receiving
a radio signal · ·······································104
Mechanism of radio signal reception ···104
Automatic reception and manual reception ···105
Reception environment ····················106
Radio signal reception range indication · ··106
88
製品仕様
※仕様は改良のため予告なく変更することがあります。
Radio signal reception range: Japan (JJY) · ··107
Radio signal reception range: China (BPC) · ··108
R adio signal reception range: U.S.A. (WWVB) · ··109
R adio signal reception range: Germany (DCF77) · ··110
T o improve radiosignal reception ···111
E nvironments in which it is diffi cult
to receive a radio signal · ··············112
How to check the reception status ···114
How to display the reception results ···114
4. Solar Charging Function
About charging · ···································116
How to charge the watch ············116
Standard charging time ················117
About energy · ·······································118
E nergy depletion forewarning function ···118
Power save function · ·····················119
5. World Time Function
How to use the world time function ········· 120
Thank you very much for choosing a SEIKO watch.
For proper and safe use of your SEIKO watch,
please read carefully the instructions in this
booklet before using.
Keep this manual handy for easy reference.
※ L ength adjustment service for metallic bands is available at
the retailer from whom the watch was purchased or SEIKO
CUSTOMER SERVICE CENTER. The service may also be available
on a chargeable basis.
T he service may also be available at other retailers, however,
some retailers may not undertake the service.
※ I f your watch has a protective fi lm for preventing scratches, make
sure to peel it off before using the watch. If the watch is used
with the fi lm on it, dirt, sweat, dust, or moisture may be attached
to the fi lm and may cause rust.
World time function · ······················ 120
H ow to select the time zone (How to display the
local time around the world) ······················· 122
H ow to set the time diff erence (How to display
the local time around the world) ················ 124
Time zone display and time diff erence table · ······· 126
What is a time zone? · ···················· 128
Q & A for the world time function ····· 129
6. To Preserve the Quality of Your Watch
Daily care · ··············································130
Performance and type ······················131
Water resistance ································132
Magnetic resistance ·························134
Band ························································136
Special clasps ·····································138
Lumibrite · ···············································143
Power source ·······································144
After-sales service · ····························146
7. Troubleshooting
H ow to conduct manual reception
(receive a radio signal manually) ···148
When a radio signal cannot be received · ··150
How to manually set the time · ···151
How to manually set the date ····154
Preliminary position ···························156
A utomatic hand position adjustment function
(adjustment of preliminary positions of hour,
minute and second hands) · ···················156
P reliminary position adjustment of the date ···157
At trouble · ··············································158
In case of an abnormal movement ·166
Reset the system (① - ②) ···········166
Preliminary position adjustment of the date:
adjust to 1 (fi rst day) (③ - ④) · ··············168
How to set the time zone (⑤ - ⑥) ···170
Set the time and date · ··················171
8. Specifi cations
Specifi cations · ·····································172
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