Casio G-Shock GBA-800-1A
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Shock-resistant and waterproof men's quartz wrist watches from the Casio G-Shock family. They belong to the G-Squad line of devices equipped with a three-axis accelerometer (acceleration sensor). This allows you to count the number of steps taken per day, and determine the approximate speed of the step / run. Another important feature of this model is the built-in Bluetooth 4.0 LE module, which is used to synchronize and transfer data to a smartphone with the G-Shock Connected application installed, which makes it easy and simple to assess the cumulative daily level of physical activity.
The Casio GBA-800-1A watch has a large plastic case with a developed bezel and a deepened hybrid digital dial protected by a hard mineral glass. All standard watch and many not quite standard sports functions are supported. To make it easier to work with the watch in the dark, a bright colour LED backlight and a luminescent coating with afterglow on the hour markers of the dial/hands are provided. The case of the device is waterproof (Water Resistant 100m) and without consequences transfers swimming or short-term immersion to a shallow depth (up to 3 metres). The high-precision Japanese quartz watch movement is economical and can operate from a standard lithium battery (CR2016) for up to two years.
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The assembly and timing are excellent, with all the basic features and durability you expect from the Casio G Shock line. They display time and date, and can function as a stopwatch/timer. I wear these watches for my regular workouts in all conditions, rain/snow, heat/cold, running/strength training. The main issue is the connection with my smartphone and data synchronization. When I finally manage to connect the watch to the phone, the step count data often doesn't transfer. Besides, the night lighting is poorly designed: the light stays on for no more than 3 seconds, and that's not enough to change any settings on the watch, like switching to the stopwatch and then activating the stopwatch.  Yuliya: use Casio G-Shock GBA-800-1A few months |
Casio G-Shock is a cult series of indestructible watches. In the spirit of modern times, the G-Squad line has separated from it, where sporty functionality and sporty style are a priority.
Built-in pedometer
A timer and a stopwatch on board a watch today do not surprise anyone. Whether it's a built-in three-axis accelerometer, used to track the exact number of steps taken. A similar sensor is installed in the Casio G-Shock GBA-800-1A watch. It collects information about the activity of the "carrier" during the day and transmits the measured indicators to the smartphone. The G-SHOCK Connected mobile application maintains an activity calendar — you can view the number of steps taken and calories burned for a specific date or period of time (week/month, etc.).
Relationship with smartphone
The watch uses Bluetooth wireless pairing to synchronize with a smartphone. Periodically, it "falls off", but in general it demonstrates a very high stability of the connection. In connection with the phone, the clock automatically adjusts the rate (4 times a day), fine-tunes the work of the stopwatch and timer. Also in the shelf functions of the model, there are 5 independent alarm clocks.
Brutal appearance
The wrist watch uses a mixed dial with a bright backlight, which turns on for 3 seconds. separate button. The case of the model is not afraid of shocks, falls and deep-sea diving — it's no joke, the degree of water protection of the watch is indicated by the label Water Resistant 200m. From a standard CR2016 lithium battery, the wristwatch works up to two years. And this is with constant monitoring of physical activity in terms of the number of steps taken.
The main issue is the connection to my smartphone and data synchronization. The initial pairing and setup are very simple. But then, it usually takes a few attempts to pair the watch/phone/app. When I finally manage to connect the watch to the phone, often the step count data doesn't transfer. Besides this, I find the night illumination poorly designed: the light stays on for no more than 3 seconds, which isn't enough time to change any settings on the watch, like switching to the stopwatch and then activating the stopwatch.