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Casio G-Shock GBA-400

Casio G-shock GBA-400 Review – G-shock’s latest Bluetooth enabled watch has fewer features than the outgoing G-shock GBA-6900, but the new G’Mix music app potentially makes better use of that Bluetooth connection. Now you can control your music without taking your phone from your pocket.

Casio-G-Shock-GBA-400 Casio G-Shock GBA-400

Casio G-Shock GBA-400

The G-Shock+ and G’Mix apps enable you to remotely control music, and, with SoundHound built into the G’Mix app, you can identify tunes Shazam-style. You can even use that rotary dial to adjust the volume within any app.

In addition to using your watch to control your phone, the reverse is possible. So within the app you can set the alarm or change your watch settings. The GBA-400 is almost indestructible, thanks to the thick layer of plastic resin and mineral glass. It’s also water resistant to 200 meters, and impervious to dust and sand. You have a world clock, LED light and calendar on your wrist, and there’s a digital display, too. G-Shock lists the battery life as two years, assuming you’re only pairing with your phone for two hours a day. But it’s a pity Casio didn’t eek that out a bit more, as swapping the battery is fiddly.

While the looks of a G-Shock will always divide, music fans will love the ability to control their collection, and won’t have to worry about damaging their investment either.


  • Tough build quality.
  • Ability to control your music.
  • You can set your watch from your phone


  • It won’t stay paired all day.
  • You can’t recharge the battery

Casio G-Shock GBA-400 Specifications

  • Shock resistant Yes
  • Water resistant 200m
  • Connections Bluetooth 4.1
  • CompatiBility iPhone, Android
  • Dimensions 55 × 51.9 × 18.3mm
  • Weight 66g
  • Battery life 2 years

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