Citizen Eco-Drive Instruction Manual page 47

The distance of receivable range is only used as an approximate value. The
receivable range is often affected by the following conditions: receiving
environment, time, weather (lightning), and so on.
JJY
Approx. 1000 km
Kyushu station
About signal reception
JJY
Approx. 1000 km
Fukushima station
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