This is already another G-Shock model I own. They are not only reliable and practically indestructible, but also really nice visually. I appreciate their sporty-military yet subdued design. I will definitely buy another Casio in the future.
Casio G-Shock Octagon Wristwatch GA-B2100-1A1ER
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€129.07
€161.99
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€32.92
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- technical data
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€161.99
€129.07
Waterproof and shockproof sports watch with quartz movement. The octagonal case is styled after the Japanese manufacturer's first G-Shock model, launched in 1983.
The watch's mechanism is enclosed in an internal Carbon Core Guard case, made of carbon-reinforced resin. The sturdy construction combined with G-Shock system ensures high resistance of the watch to shock and mechanical damage. The model features high water resistance and is resistant to dives up to 200 meters (20 bar), allowing safe use while swimming and even diving.
Comfortable wearing of the watch on the wrist is provided by a strap made of elastic material, fastened with a metal buckle. The material used is resistant to the harmful effects of moisture and sweat, making it perfect for a variety of activities.
The dial with hands and display allow digital-analog reading of the time, and the time is displayed in 12/24-hour format. Dual LED backlighting and Neobrite fluorescent material coverage of the hands makes it possible to operate the watch in low light or no light at all.
Thanks to the Bluetooth system, the watch can be connected to the Casio Watches app on your phone, allowing you to automatically adjust the time, set alarm clocks, timer and reminders, as well as manage your watch settings. In addition, the application allows you to find a lost phone with the help of the watch.
In addition, the watch is equipped with: 5 daily alarms, an extensive calendar, stopwatch with a measurement length of up to 100 h and accuracy of 1/100 s, and timer counting down time up to 24 h. The world time function allows you to read the time in 31 time zones.
The watch is powered by sunlight using the Tough Solar function- when fully charged, it can work for up to 7 months without access to light.
Technical specifications
Color: Black
Movement: Miyota quartz
Time format: 12/24
Envelope: plastic
Glass: mineral
Strap: plastic
Water resistance: 20 bars (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
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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 |
| 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 | 4549526322839 |
| Manufacturer code | GA-B2100-1A1ER |
| Brand | Casio |
| EAN |
Reviews with photos
Number of reviews: 5
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A typical Casio G-Shock. The clear advantage is solar charging. Legibility is at a decent level. The backlight and the luminescence make it easy to read. The strap is comfortable to wear. I definitely recommend it.
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I searched for a sports watch for a long time and chose this model. It has all the functions I need, without unnecessary gimmicks: solar charging, phone locator, water resistance, Bluetooth. The dedicated app works smoothly and connects to the watch without problems.
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I give it 5 stars. I've been using the watch for a few days and I can confirm that the solar charging works correctly. It is smaller than a typical G-Shock, which in my opinion is an advantage. It’s suitable both for trips and for an elegant dinner. Regards.
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G-Shock is top shelf. Very durable and will last for many years. In this version, the stealth look affects the legibility of the dial a bit, so it's worth keeping that in mind when choosing a color.
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