Casio GST-B100D-1AER G-Steel Men's Watch Black • Tough Solar • Bluetooth Smartphone Link
Casio GST-B100D-1AER G-Steel Men's Watch Black • Tough Solar • Bluetooth Smartphone Link
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Model Number: GST-B100D-1AER
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Product Details
Description
The Casio GST-B100D-1AER is a striking men's watch from the G-Steel series, combining robust shock resistance with an elegant stainless steel design. The analogue dial features three circular sub-dials, one of which is styled after a turbine blade, conveying a powerful, functional aesthetic. The resin and stainless steel case is complemented by a carbon composite bezel with a pyramid-shaped finish inspired by a metal file.
The watch is powered by Casio's Tough Solar technology, which reliably harvests energy from light. Via Bluetooth, the GST-B100D-1AER connects to the CASIO WATCHES app on your smartphone, enabling automatic time adjustment, world time access for around 300 cities, and a phone finder function. Additional features such as a stopwatch, countdown timer, dual time, date display, and a fully automatic calendar through 2099 make it a versatile companion for everyday life. Water resistance to 20 bar ensures outstanding durability in daily use.
Key Features of the Casio GST-B100D-1AER Watch
- Tough Solar with Bluetooth: Solar power with wireless smartphone connectivity for automatic time synchronisation and app functions
- Water-resistant to 20 bar and shock-resistant case in resin and stainless steel with carbon composite bezel
- Mineral glass with Neobrite luminous coating and Super Illuminator LED backlight for optimal legibility in any light
Technical Data
Basic data
| Target group |
Men |
|---|---|
| Manufacturer | Casio |
| Model series / Collection |
G-Steel |
| Model number |
GST-B100D-1AER |
| EAN / GTIN | 4549526168222 |
| Display type |
Analog |
| Water resistance in bar |
20 |
| Colour |
Black |
| Other features |
Bluetooth Mobile Link, world time (approx. 300 cities), dual time, countdown timer, phone finder, LED Super Illuminator, fully automatic calendar until 2099, power saving function, battery level indicator |
Case & Construction
| Case material |
Resin |
|---|---|
| Case colour |
Black |
| Case diameter in mm |
5,38 |
| Case shape |
Round |
| Case height in mm |
1,41 |
| Weight in grams |
185 |
| Watch glass |
Mineral glass |
| Crown |
Screw-down crown |
Dial & Display
| Dial colour |
Black |
|---|---|
| Second hand |
Yes |
| Luminous material (Lume) |
Yes (hands & indices) |
Movement & Drive
| Drive type / Movement |
Solar |
|---|---|
| Date display |
Yes |
| Stopwatch function |
Yes |
| Day display |
Yes |
| Timer |
Yes |
Strap & Clasp
| Strap material |
Stainless steel |
|---|---|
| Strap colour |
Silver |
| Clasp |
Folding clasp |
Care instructions
Care Instructions for Wristwatches
Care & Cleaning
- Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
- Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, dry thoroughly.
Important: Screw the crown down firmly beforehand!!! - Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
- Avoid: Harsh chemicals, perfume, cosmetics and heat.
- Leather straps: Do not soak, clean only slightly damp and allow to dry away from heat.
- Water resistance: Do not wear in the shower or bath, have it tested annually.
- Battery (quartz): Have a depleted battery replaced immediately.
- Mechanical watches: Service by a master watchmaker every 5 years.
Storage & Handling
- Store the watch separately, not in direct contact with other jewellery (risk of scratching).
- Place mechanical watches on a flat surface when winding, do not leave the crown pulled out.
Scope of delivery
Product questions
Find your perfect fit
Casio – Functional Watches for Modern Everyday Life
Casio became known in the 1970s for wristwatches that redefined technology and everyday usability. Digital displays, innovative functions, and robust construction made the brand popular worldwide.
To this day, Casio wristwatches stand for reliability and practical use. They are aimed at people who value functionality, durability, and a clear price-performance ratio.
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Whether for yourself or as a gift: We guarantee you 100% original products from renowned manufacturers. Your order will leave our premises insured and will reach you the very next business day.
Should the item not fit perfectly, take advantage of our generous 100-Day Returns – uncomplicated and free of charge. Experience for yourself why over 13,000 customers have found their timepieces with us.
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