G-Shock Japan announced three new GA-400 analog-digital watches for March. The GA-400GB-1AJF has a black and silver scheme. The GA-400GB-1A4JF has a black and rose gold theme and the GA-400GB-1A9JF has a black and yellow gold theme.
These large models measure 55 × 51.9 × 18.3mm. Features include shock resistance, 200-meter water resistance, LED light, world time, 1/100 second stopwatch, countdown timer, 5 daily alarms with 1 snooze alarm, hourly time signal, full auto calendar, 12/24 hour formats, button tone on/off, and an estimated battery life of 3 years which is longer than most analog-digital G-Shock models.
We’re guessing there will also be an international and U.S. release of the GA-400GB-1A, GA-400GB-1A4, and GA-400GB-1A9 watches.
Source: g-shock.jp





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I have the 1BER version (black and red) and doesn’t come with any low battery warning.
Thanks, you’re right. It is not in the manual at all. Post has been edited. That’s a feature of the GBA-400 that is often mistakenly listed for the GA-400.
You’re welcome folks!
Is GA-400GB-1AJF, GA-400GB-1A4JF, GA-400GB-1A9JF already available in PH market?
They should be getting an international release. You might want to try checking at the G-Factory Premium store at Greenbelt 5 mall.
ok. thanks mate!
What is the diff between the japan release of the GA-400GB-1A4jf, and the us/international release? Also what’s the lug size on these watchs.
It’s the same watch. The JF just means it is designated for sale in Japan. Not sure about the lug size, sorry.
Can change the back ground to white and the number to black?
No