G-Shock GW-1800DJ-1A9 - Manual (Page 11)

E-10
Radio-controlled Timekeeping
This watch receives a time calibration signal and updates
its time setting accordingly. The time calibration signal
includes both Standard Time and Daylight Saving Time
(summer time) data.
• This watch is designed to pick up the time calibration
transmitted in Japan (Fukuoka/Saga and Fukushima)
and the United States (Fort Collins, Colorado).
• See the information under “Signal Receive
Troubleshooting” (page E-26) if you experience problems
with time calibration signal reception.
Seconds
Minute hand
Hour hand
Month – Day