Casio G-Shock Mudmaster GWG-100-1A3ER Men's Watch • Tough Solar & Multiband 6 • Mud- and Shock-Resistant
Casio G-Shock Mudmaster GWG-100-1A3ER Men's Watch • Tough Solar & Multiband 6 • Mud- and Shock-Resistant
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Model Number: GWG-100-1A3ER
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Product Details
Description
The Casio G-Shock Mudmaster GWG-100-1A3ER is part of the legendary Master of G series and was engineered for the most demanding conditions. Its rugged case crafted from resin and stainless steel, paired with a resin strap, delivers outstanding mud resistance and shock protection — ready for any adventure. Thanks to the Tough Solar drive, the watch charges via light energy and is automatically synchronised to the exact time by Multiband 6 radio time calibration from up to six transmitters worldwide.
The dial features a combined analogue and digital display: hours and minutes are shown by hands, while the digital display provides seconds, date, day of the week and additional information. The watch offers world time across 31 time zones, a 1/100-second stopwatch, a countdown timer, five daily alarms and an hourly time signal. An automatic LED backlight with Neon Illuminator ensures optimum legibility even in the dark.
Key Features of the Casio GWG-100-1A3ER Watch
- Tough Solar & Multiband 6: Solar-powered movement with automatic radio time calibration via six transmitter stations worldwide for maximum accuracy.
- Extremely robust: Shock-resistant and mud-resistant case in resin and stainless steel with mineral glass and water resistance to 20 bar.
- Multi-functional: World time (31 time zones), stopwatch, countdown timer, five alarms and a fully automatic calendar until 2099.
Technical Data
Basic data
| Target group |
Men |
|---|---|
| Manufacturer | Casio |
| Model series / Collection |
G-Shock Mudmaster |
| Model number |
GWG-100-1A3ER |
| EAN / GTIN | 4549526176500 |
| Display type |
Analog-digital |
| Water resistance in bar |
20 |
| Colour |
Black |
| Other features |
World time (31 time zones, 48 cities), Multi-Band 6 radio-controlled time calibration, 5 daily alarms, hourly time signal, Tough Solar, Neobrite, fully automatic calendar until 2099, 12/24-hour format, power saving function, battery level indicator |
Case & Construction
| Case material |
Resin |
|---|---|
| Case colour |
Black |
| Case shape |
Angular |
| Weight in grams |
88 |
| Watch glass |
Mineral glass |
Dial & Display
| Dial colour |
Black |
|---|---|
| Second hand |
No |
Movement & Drive
| Drive type / Movement |
Radio-controlled solar |
|---|---|
| Date display |
Yes |
| Stopwatch function |
Yes |
| Day display |
Yes |
| Timer |
Yes |
Strap & Clasp
| Strap material |
Resin |
|---|---|
| Strap colour |
Black |
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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