Casio G-SHOCK GW-9400BJ-1JF Quartz Black Dial 53.5 mm Watch
User manuals, if included, may be in Japanese language only.
CASIO G-SHOCK RANGEMAN GW-9400BJ-1JF Triple Sensor Radio Solar Watch 53.5mm
I will try my best to resolve the issue. Product manual may be written only in Japanese.