A beautiful, original G-Shock piece. Besides being reliable and virtually indestructible, they're just very attractive. I like this sporty-military style without any unnecessary extravagance. This is definitely not my last Casio watch.
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Waterproof and shockproof sports watch featuring a quartz movement. The analog-digital display is fitted with an Auto-LED backlight and offers a hand shift function that moves the hands aside, exposing the LCD screen at the push of a button for increased readability. The Super-Illuminator backlight can be manually switched on or activated by tilting the watch toward your face. A scratch-resistant mineral glass with a Mohs hardness rating of 5 protects the dial.
The G-Shock GBA-900 watch series supports Bluetooth connectivity, enabling device pairing and management of features like a pedometer, step tracker with five activity intensity levels, calorie readout, stopwatch data log, "find phone" function, call notification, automatic time calibration (four times daily), and world time covering roughly 300 cities.
Incorporation of the G-Shock system increases durability against shocks and physical impacts. Outstanding water resistance and protection against submersion to a depth of 200 meters (20 bar) make it reliable for both swimming and diving. Compliance with ISO Standard 764 assures magnetic field protection.
Time is presented in a 12/24-hour format. Additional features include five daily alarms with snooze, an advanced perpetual calendar, a stopwatch with 1/100-second precision, a 24-hour countdown timer, and a secondary time zone. The world time feature allows instant access to local times in various regions. Custom user settings such as weight, height, date of birth, and gender are available for tailored measurement and analysis.
A CR2025 battery powers the device, with an estimated life of 2 years per the manufacturer. Included is a flexible silicone strap, adjustable in circumference by a buckle closure.
Technical data
Model: GBA-900UU-5A
Material: plastic
Mechanism: quartz, Japanese, caliber Casio 5641
Water resistance: 20 atm (200 m)
Time display: analog, digital
Case width: 49 mm
Case thickness: 17 mm
Case diameter: 51 mm
Maximum band circumference: 215 mm
Band width: 28 mm
Power supply: CR2025 battery
Weight: 61 g
Manufacturer: Casio, Japan
Militaria.pl is a premium dealer of Casio.
Casio is a Japanese brand founded in 1946, which has remained one of the most recognizable consumer electronics manufacturers in the world for decades. It gained global fame with its iconic G-Shock series from the 1980s, valued for its high resistance to shocks, water, and extreme conditions. The company consistently develops its technologies, introducing innovations such as Tough Solar - a solar power system - and Wave Ceptor - radio time synchronization. Casio watches are popular among professionals and people looking for reliable models for everyday use and outdoor activities. The first G-Shock (model DW-5000C), designed in 1983 by engineer Kikuo Ibe, was so durable that it was tested by dropping it from the tenth floor, and yet it still worked flawlessly. Today, Casio is a symbol of innovation, durability, and timeless style.
| Gender | Men's |
|---|---|
| Smartwatch | No |
| Body material | Synthetic |
| Type of mechanism | Quartz |
| Watch power supply | CR2025 |
| Strap | Rubber |
| Glass | Mineral |
| Alarm | Yes |
| Date stamp | Yes |
| Stopwatch | Yes |
| Backlight | Yes |
| Waterproof | 20 ATM / 200 m |
| Shockproof | Yes |
| NFC | No |
| Calendar | Yes |
| Compass | No |
| GPS | No |
| Barometer | No |
| Thermometer | No |
| Altimeter | No |
| Chronograph | Yes |
| Pedometer | Yes |
| Calorie counter | No |
| Heart rate measurement | No |
| Pulse oximeter | No |
| Weight | 61 g |
| EAN | 4549526322716 |
| Manufacturer code | GBA-900UU -5AER |
| Brand | Casio |
| EAN |
Reviews with photos
Review summary
Number of reviews: 2
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Very nice watch. The first impression is good build quality, attention to detail, and very comfortable. Many functions, such as LED illumination of the dial, automatic setting of the hands via a smartphone app, and others. The app itself is fine, has many features, including notifications of incoming messages, calls, and notifications on your phone, via sound signals in the watch. It’s not a smartwatch, but it is certainly a modern version of a standard work watch for today's times, thanks to the app :) Not everyone may like that the hands could be more visible, as well as the digital time display, but I've been using it for a few weeks now and it doesn’t bother me. So far, I am very satisfied with the purchase, I don’t have to constantly charge the watch (the battery is supposed to last 2 years, we'll see), so I can confidently recommend the proven brand CASIO, G-SHOCK models :) The only question is which model, what functions, and for how much...
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