G-Shock GBA-900UU-5AER

Bluetooth® Smart
The watch is equipped with energy-efficient Bluetooth® technology, which enables low-power data exchange at the press of a button. Via Bluetooth®, the watch can be connected wirelessly to your smartphone, providing access to various convenient functions.

Smartphone time
When the watch is paired with the device, the time is set automatically, ensuring the correct current time worldwide.

Super-Auto LED Light
As soon as the ambient light fades, a turn of your wrist illuminates the watch display particularly brightly and colourfully.

Shock-resistant
A shock-resistant construction protects against shocks and vibrations.

Step counter
The Step Tracker measures steps using an accelerometer and displays them on the watch.

Lifelog Function

Second time zone
A second local time can be set and recalled. Ideal if you often make calls overseas, for example.

Stopwatch function - 1/100 sec. - 24 hours
Precise measurement of elapsed time at the press of a button. The fraction indicates the measuring unit, while the time symbol shows the maximum measuring time.

Lap memory 50
Up to 50 items, including the date and lap time, can be stored for later review.

5 timers - 1/1 sec. - 60 min. (repeat)
The countdown timer emits a signal when the set time is reached. Its maximum measuring capacity is 60 minutes. The timer can automatically start counting again from the set time. Five of these countdown alarms can be set independently.

5 daily alarms
The daily alarm reminds you of recurring events at the set time with an audible signal. This model has 5 independent alarms as flexible reminders for important appointments.

Button tones on/off
The button tones can be switched off as desired using the mode button. Once switched off, you will no longer hear a beep when switching from one function to another. Set alarms or countdown timers remain active after the button tones are switched off.

Hand shift function
At the press of a button, you can move the hands, allowing you to view functions such as the stopwatch or date clearly.

Phone Finder
Lost your smartphone? One press of a button on the watch is all it takes: the smartphone emits an alarm signal.

Incoming call display
As soon as you receive a call on your smartphone, the notification appears on your watch display.

Automatic calendar
Once the automatic calendar has been set, the correct date is always displayed.

12/24-hour time display
The time can be displayed in 12-hour or 24-hour format.

Mineral glass
The hardened mineral glass ensures that the watch glass is not easily damaged.

Resin band
Resin is a synthetic material and, thanks to its exceptional durability and flexibility, is ideal for watch bands.

Buckle
The band is fitted with a buckle.

2 years - 1 battery
The battery can power the watch for approximately 2 years.

Water-resistance classification (20 bar)
Perfect for free diving without scuba equipment: the watch is water-resistant to 20 bar (ISO 22810).

Case dimensions (L × W × H)
51.3 × 48.9 × 16.6 mm
Weight
61 g
Case and bezel material
Resin
Band
Resin band
Construction
Shock-resistant
Water resistance
Water-resistant up to 200 metres
Power supply and battery life
Approximate battery life: 2 years on CR2025