1. Mawu Oyamba
The Casio G-Shock GST-B100-1ACR is a robust and feature-rich timepiece designed for durability and precision. This model is part of the G-STEEL lineup, offering chronograph performance in an analog format while maintaining G-SHOCK's renowned shock resistance. It combines advanced technology with a stylish design, making it suitable for various activities and environments.

Chithunzi: Patsogolo view of the Casio G-Shock GST-B100-1ACR watch, showcasing its analog display and robust design.
Zofunika Kwambiri:
- Smartphone Link Functions: Connects to a smartphone via Bluetooth for accurate timekeeping and easy setting adjustments.
- Tough Solar: Solar-powered charging system for stable power supply.
- 200 Meter Water Resistance: Suitable for professional marine activity and serious surface water sports.
- Shock Resistance: Engineered to withstand impacts and vibrations.
- Dual Dial World Time: Displays current time in two different time zones simultaneously.
- Chronograph: Stopwatch functionality for measuring elapsed time.
- Chizindikiro cha Mulingo wa Battery: Multi-functional rotating disk at 9 o'clock indicates battery level.
- Neobrite: Luminous hands and markers for enhanced visibility in low light.
- New Layer Guard Structure: Resin cushioning parts inside the case for improved shock absorption and design.
2. Kukhazikitsa
Kukhazikitsa Nthawi Yoyamba
Upon first use or after a long period of inactivity, expose the watch face to light to charge the Tough Solar battery. The watch will automatically attempt to receive time calibration signals or connect to your smartphone for accurate time synchronization.
Smartphone Link (Bluetooth) Connection
- Koperani mkuluyo CASIO WATCHES app from your smartphone's app store.
- Yambitsani Bluetooth pa smartphone yanu.
- On the watch, press and hold the LUMIKIZANI button (usually at the 8 o'clock position) for approximately two seconds until the Bluetooth icon appears on the digital display.
- Open the CASIO WATCHES app and follow the on-screen instructions to pair your watch.
- Once connected, the watch will automatically adjust its time settings based on your smartphone's time.
3. Malangizo Ogwiritsira Ntchito
Kuyenda mu Mode
Dinani pa MODE button (usually at the 9 o'clock position) to cycle through the different watch modes: Timekeeping, Stopwatch, Timer, Alarm, and World Time.
Kugwiritsa ntchito Chronograph
- Yendetsani ku Wotchi yoyimitsa mode pogwiritsa ntchito MODE batani.
- Dinani pa YAMBA button (usually at the 2 o'clock position) to begin timing.
- Press YAMBA again to pause, and press the Bwezeraninso button (usually at the 4 o'clock position) to clear the time.
Dual Dial World Time
In Njira Yosunga Nthawi, the small dial at the 6 o'clock position displays the time in a second time zone. To change the World Time city, use the CASIO WATCHES app or refer to the detailed manual for manual adjustment steps.
Kukhazikitsa Alamu
Lowani Alamu Mode kudzera pa MODE button. Use the adjustment buttons to set the desired alarm time. The multi-functional rotating disk at 9 o'clock can indicate the alarm on/off setting.
Chizindikiro cha Battery Level
The multi-functional rotating disk at the 9 o'clock position, designed to resemble a jet engine blade, indicates the current battery level. Rotation of the blades reveals red coloring behind the disk, which changes to indicate the battery level.
Video: Kufotokozera mwachiduleview of the Casio G-Steel GST-B100 watch, highlighting its design and features.
4. Mbali Zathaview
Tough Solar Power
The Tough Solar system converts light from any source (natural or artificial) into electrical energy to power the watch. This eliminates the need for regular battery replacements, ensuring reliable operation.
Water Resistance (200m)
With 200-meter water resistance, this watch is suitable for various water activities, including swimming, snorkeling, and professional marine activity. It is not recommended for scuba diving.
Shock Resistance
G-Shock's core technology provides exceptional shock resistance, protecting the internal module from drops and impacts. This makes the watch highly durable for rugged use.
Neobrite Illumination
The watch hands and hour markers are coated with Neobrite, a luminous material that provides long-lasting illumination in the dark after short exposure to light.
Layer Guard Kapangidwe kake
The innovative layer guard structure incorporates resin cushioning parts within the case, enhancing shock resistance while allowing for a more refined and comfortable design that fits well on the wrist.
Kanema: Chiwonetsero cha kanema wotsatsaasing the Casio G-Steel by G-Shock Quartz Solar Bluetooth Connected Watch, highlighting its features and robust construction.
5. Kusamalira
General Care
- Wipe the watch regularly with a soft, dry cloth to remove dirt and moisture.
- Avoid exposing the watch to extreme temperatures or direct sunlight for prolonged periods, as this may affect its performance or appearance.
- Keep the watch away from strong magnetic fields.
Battery (Tough Solar)
The Tough Solar system ensures the watch battery remains charged through exposure to light. To maintain optimal battery levels, ensure the watch is regularly exposed to light. If the watch is stored in darkness for extended periods, the power-saving function will activate.
6. Mavuto
Time Inaccuracy
- Ensure the watch is regularly connected to the CASIO WATCHES app via Bluetooth for automatic time synchronization.
- Check if the watch is receiving sufficient light for Tough Solar charging.
Mavuto okhudzana ndi Bluetooth
- Verify that Bluetooth is enabled on your smartphone and the CASIO WATCHES app is running.
- Ensure the watch is within range of your smartphone.
- Restart both your smartphone and the watch, then attempt to reconnect.
Digital Display Blank or Dim
- This may indicate a low battery level. Expose the watch to bright light for several hours to charge the Tough Solar battery.
- The power-saving function may be active. Press any button to reactivate the display.
7. Zofotokozera
| Mbali | Kufotokozera |
|---|---|
| Nambala ya Model | GST-B100-1ACR |
| Case Diameter | 53.8 mm |
| Kukaniza Madzi | 200 mita (660ft) |
| Kuyenda | Quartz |
| Gwero la Mphamvu | Tough Solar (Lithium Metal battery included) |
| Nkhani Zofunika | Utomoni |
| Miyeso Yazinthu | 1 x 1 x 1 mainchesi |
| Kulemera kwa chinthu | 3.55 pawo |
| Tsiku Loyamba Kupezeka | Seputembara 29, 2017 |

Image: The Casio G-Shock GST-B100-1ACR watch presented in its durable metal tin packaging.
8. Chitsimikizo ndi Thandizo
This Casio G-Shock watch comes with a manufacturer's warranty. For detailed information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official Casio website. For customer support, service, or repair inquiries, please contact Casio's authorized service centers.
You can find additional support and product information on the Official Casio Store on Amazon.





