Characteristics; Names Of The Parts And Their Functions - Seiko 7B72 How To Use Manual

Characteristics

1
This is a solar-driven, radio signal-adjusted watch.
• This watch displays the precise time by receiving radio signals conveying time information.
• This watch can receive radio signals from Japan, China, U.S.A., Germany, and the UK.
■ Radio Signal Receiving The watch maintains the precise time by automatically receiving
radio signals on official standard frequencies.
Function....................................
Manual reception of radio signals is also possible.
→ P.16
This can receive radio signals from Japan (2 stations), China,
U.S.A., Germany, and the UK. (Select the transmitting station in the
time difference adjustment function.)
■ Reception Level Indication The movement of the seconds hand indicates the radio signal
reception level during radio signal reception attempts.
Function....................................
(Only manual reception)
→ P.57
■ Display Function of Radio The movement of the seconds hand indicates radio signal reception
results (Yes/No).
Signal Reception Results........
→ P.26
■ Time Difference Adjustment Set the time difference in order to display the local time overseas.
Function (Selecting Additionally, set the time difference to enable reception of the radio
signal in areas in which it is available.
Transmitting Station)...............
→ P.28
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Names of the parts and their functions

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1
2
3
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1 Minute hand
2 Hour hand
3 Seconds hand
4 Date
4
5 Crown
• Normal position:
Reception results confirmation → P.26,
Manual reception → P.56
5
• First click position:
Time difference setting → P.29,
Manual date setting → P.61
6
• Second click position:
Manual time setting → P.59,
Reset the system → P.76
6 Button → P.12
* The operation method of the button varies with
the functions being used. Follow the instructions
of each section of this booklet.
■ Solar Charging Function.......... A solar cell underneath the dial converts any form of light into
"electrical energy" to charge it. Once fully charged, the watch
→ P.34
continues to run for approximately 9 months.
■ Energy Depletion The movement of the seconds hand indicates that the battery
should be charged.
Forewarning Function...........
→ P.36
■ Power Save Function............... This watch is equipped with a function which can suppress energy
consumption when it is left without receiving an adequate light
→ P.37
source for a certain length of time.
■ Automatic Hand Position When the hand positions display an incorrect time as a result of
Alignment Function.................. external influences such as magnetism, the watch automatically
corrects the hand misalignment.
→ P.64
● Reception level display
[Manual reception]
H : High reception level (50-second
position)
L : Low reception level (40-second
position)
N : Unable to receive radio signals
(20-second position)
* Reception level display → P.57
● Standard radio signal display
Display (Country with radio signal
Display position
transmitting station)
JJY (Japan) 9-second position
BPC (China) 8-second position
WWVB (U.S.A.) 53-second position
DCF (Germany) 1-second position
MSF (UK) 0-second position
* Time difference adjustment function → P.28
* List of time zone differences in major regions of the world
→ P.31
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● Reception result
1
display
[Check of reception result]
Y : Reception successful
(10-second position)
N : Reception failed (20-second
position)
* How to display the reception results
→ P.26
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