The G-Shock GW-9400-1ER watch , here presented in black and red, will satisfy you with its Triple-Sensor system . This technology can reduce energy consumption by 90% while keeping accurate data on altitude , air pressure and direction information. This watch offers you the pleasure of no longer charging or changing the battery. Thanks to Tough-solar technology (solar power), it recharges when it is exposed to a source of light, the surplus solar energy is stored in an accumulator. With the radio signal reception system, you no longer need to change the time, tell it your time zone of your position then it sets itself.
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