Great watch, it's not as big as other G-Shock models, fits comfortably on the wrist. I appreciate its understated design, which in my opinion looks much better than some of the more over-the-top variants. Nice extras like solar power and Bluetooth. Overall, the watch has a lot of functions, many of which I haven't figured out yet—the operation can be a bit complicated. I recommend it to everyone.
Casio G-Shock Octagon GA-B2100-1A Watch
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€145.99
€129.54
Waterproof and shock-resistant sports watch featuring quartz movement. The octagonal casing is inspired by the Japanese manufacturer's inaugural G-Shock model released in 1983.
The watch's mechanism is secured within an internal Carbon Core Guard housing, crafted from carbon-enhanced resin. Its robust design paired with the G-Shock system guarantees exceptional resistance to shocks and mechanical impacts. This model is notable for its high water resistance, withstanding submersion up to 200 meters (20 bar), ensuring safe use during swimming and even diving.
Comfortable wear on the wrist is ensured by a strap made of flexible plastic, equipped with a metal buckle. The material is resistant to moisture and sweat damage, making it ideal for a variety of activities.
The combination of hands and display on the dial allows for digital-analog time reading, available in 12/24-hour format. Dual LED illumination and the use of Neobrite fluorescent material on the hands enable functionality in low or no light conditions.
Utilizing the Bluetooth system, the watch can be linked to the Casio Watches app on your phone, facilitating automatic time adjustments, alarm, timer, and reminder settings, as well as management of watch configurations. Furthermore, the app enables locating a lost phone using the watch.
The watch is also equipped with: 5 daily alarms, an advanced calendar, a stopwatch capable of measuring up to 100 hours with 1/100-second precision, and a countdown timer for up to 24 hours. The world time function permits viewing the time in 31 time zones.
Powered by the Tough Solar feature, the watch utilizes solar energy and can operate for up to 7 months when fully charged without exposure to light.
Technical data
Color: Black
Mechanism: quartz Miyota
Time format: 12/24
Envelope: plastic
Glass: mineral
Strap: plastic
Water resistance: 20 bar (200 m)
Envelope dimensions: 48.5 x 45.4 mm
Thickness of the envelope: 11.9 mm
Maximum strap circumference: 210 mm
Weight: 52 g
Manufacturer: Casio, Japan
MILITARY is a premium dealer of Casio.
Casio is a Japanese brand founded in 1946, known worldwide as one of the leaders in consumer electronics. A breakthrough moment in the company's history was the launch of the G-Shock series in the 1980s, which gained cult status thanks to its exceptional resistance to shocks, water, and extreme environmental conditions. Casio is constantly developing its technologies, introducing features such as Tough Solar - a solar power system - and Wave Ceptor - time synchronization using radio waves, which ensures precision and reliability. The brand's watches are popular among both professionals and users looking for durable solutions for everyday use and outdoor activities. The first G-Shock model – DW-5000C, designed by engineer Kikuo Ibe in 1983, passed a drop test from the tenth floor and continued to function flawlessly, which became the foundation of the series' legend. Today, Casio is synonymous with innovation, reliability, and timeless design.
| Gender | Men's |
|---|---|
| Smartwatch | No |
| Body material | Synthetic |
| Type of mechanism | Quartz - solar |
| Watch power supply | Solar power supply |
| Strap | Plastic |
| 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 | No |
| Pedometer | No |
| Calorie counter | No |
| Heart rate measurement | No |
| Pulse oximeter | No |
| Weight | 52 g |
| EAN | 4549526322884 |
| Manufacturer code | GA-B2100 -1AER |
| Brand | Casio |
| EAN |
Reviews with photos
Review summary
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Number of reviews: 2
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I've been using it for about a year and a half now, I bought it elsewhere but wanted to share my opinion. The watch looks great and the build quality is also at a high level! It's not as bulky as standard G-Shocks, which means it doesn't look funny on my slim wrist. Works flawlessly, and the solar panel is a big plus. I'm not going to write about all the features—everyone can check for themselves. All in all, I definitely recommend it!
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