■ Set the time and date
14
Receive a radio signal to set the time and date
“How to conduct manual reception” → P.78
Set the time and date manually in an environment in which a radio signal cannot be received.
“How to manually set the time” → P.82
“How to manually set the date” → P.84
When the time and date are set, the operations are finished.
EN
112
8
TROUBLESHOOTING
Specifications
Cal.
8B92
1. Features
Main time with three hands (hour, minute, and seconds hands), 24-hour hand, date
display, stopwatch hands (1/5-second and minute)
2. Frequency of crystal
oscillator
32,768 Hz (Hz= Hertz, cycles per second)
3. Loss/gain (Monthly
rate)
Loss/gain ±15 seconds in a monthly rate (Except the cases when the watch is used
without time adjustment by receiving a radio signal and when it is worn on the wrist within
a normal temperature range between 5 °C and 35 °C)
4. Operational
temperature range
Between
−
10 °C and +60 °C
5. Driving system
Step motor (Hour and minute hands/24-hour hand, small seconds hand, date, stopwatch
second hand, stopwatch minute hand)
6. Power source
Secondary battery, 1 piece
7. Duration
Approximately 6 months (when the battery is fully charged and the power save is not
activated)
* If Power Save is activated after it is fully charged, the watch continues to run for approximately
2 years at maximum.
8. Radio signal reception
function / radio signal
transmitting station
Automatic reception (Before 2:00 AM, 3:00 AM and 4:00 AM)
* It varies depending on the radio signal receiving condition.
* After radio signal reception, the watch will start to work depending on the quartz movement
until the next reception.
* Manual reception is available.
9. Integrated circuit
Oscillator, frequency divider and driving circuit C-MOS-IC, 3 pieces
* The specifications are subject to change without prior notice due to product improvements.
EN
113
9
SPECIFICATIONS
