---
product_id: 1342598
title: "G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery"
brand: "casio"
price: "501.39 DT"
currency: TND
in_stock: true
category: "Casio"
url: https://www.desertcart.tn/products/1342598-g-shock-gd100-1b-mens-tough-digital-watch-200m-water
store_origin: TN
region: Tunisia
---

# 200M water resistance for all adventures Super Illuminator LED for max visibility 7-year battery life, ultra low maintenance G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery

**Brand:** casio
**Price:** 501.39 DT
**Availability:** ✅ In Stock

## Summary

> ⏱️ Own the moment, day or night, rain or shine.

## Quick Answers

- **What is this?** G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery by casio
- **How much does it cost?** 501.39 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/1342598-g-shock-gd100-1b-mens-tough-digital-watch-200m-water)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bold Tactical Style:** Matte black, oversized digital display blends military-grade toughness with modern streetwear appeal.
- • **Effortless Time Management:** Dual time zones plus 5 daily alarms keep your busy schedule flawlessly on track.
- • **Endurance That Outlasts You:** 7-year CR2025 battery means no frequent replacements—just pure reliability.
- • **Unmatched Nighttime Clarity:** Super Illuminator LED with light guide plate ensures you never miss a beat, even in pitch dark.
- • **Built for Extreme Conditions:** Shock-resistant design and 200M water resistance make it your ultimate rugged companion.

## Overview

The Casio G-Shock GD100-1B is a rugged digital watch engineered for professionals and adventurers who demand durability and high visibility. Featuring a high-brightness Super Illuminator LED, 200-meter water resistance, shock resistance, dual time zones, and a 7-year battery life, it combines tactical functionality with bold style. Perfect for military, sports, and outdoor enthusiasts, this watch delivers reliable performance and low maintenance for years of extreme use.

## Description

G-SHOCK GD100-1B: The Ultimate High-Visibility Tactical Watch The Casio G-SHOCK GD100-1B is built for toughness and visibility, featuring a Super Illuminator high-brightness LED for superior nighttime readability. Designed for military, law enforcement, athletes, and outdoor adventurers, this all-black, shock-resistant digital watch combines functionality and rugged durability. The large display, dual-time feature, and world time function allow you to stay on schedule across multiple time zones, making it perfect for travelers and professionals. The 1/100-second stopwatch and countdown timer help with training, workouts, and timing tasks, while five daily alarms ensure you never miss an important event. 200M water resistance, shock resistance, and a 7-year battery life make this watch low-maintenance and adventure-ready. Whether you're hitting the gym, going on a mission, or exploring the outdoors, the G-SHOCK GD100-1B is your go-to watch for extreme performance. CasioWith the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market.Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, atomic timekeeping means the users never have to reset the time. Recently, Casio launched a series of Bluetooth watches that sync to the users cell phone to automatically update the time. Casio is always moving time forward.

## Features

- Rugged & Sporty Design – Matte black finish with bold digital display, built for tactical, military, and extreme sports enthusiasts.
- High-Brightness LED Backlight – Features Super Illuminator LED with a light guide plate, ensuring exceptional visibility in low-light conditions.
- 200M Water Resistance – Engineered for swimming, snorkeling, and outdoor adventures, this shock-resistant watch is ready for action.
- Extended 7-Year Battery Life – Powered by a CR2025 battery, offering years of reliable performance without frequent replacements.
- Shock-Resistant Structure – Built to withstand extreme conditions, making it ideal for sports, military, and rugged outdoor use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003URSIKO |
| ASIN  | B003URSIKO |
| Additional Features | Shock Resistant, Water Resistant |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 21 centimeters |
| Band Material Type | Resin |
| Band Width | 21 millimeters |
| Bands | 1 |
| Batteries  | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | #25,327 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #51 in Men's Wrist Watches |
| Bezel Color | Black |
| Brand Name | Casio |
| Case Diameter | 5.1 centimeters |
| Case Material Type | Resin |
| Case Thickness | 17.4 millimeters |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Mineral Glass |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,142) |
| Date First Available  | October 4, 2010 |
| Department  | WATCHES |
| Dial Color | Black |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Linen |
| Global Trade Identification Number | 00079767925109, 04971850925118 |
| Included Components | Casio G-Shock X-Large Digital Reverse LCD GD100-1B |
| Item Type Name | Casio G-Shock X-Large Digital Reverse LCD GD100-1B |
| Item Weight | 2.5 ounces |
| Item model number  | GD100-1B |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Manufacturer Part Number | GD100-1B |
| Manufacturer Warranty Description | 1 Year Manufacturer |
| Model Name | G-Shock |
| Model Number | GD100-1B |
| Number of Items | 1 |
| Pattern | Digital |
| Power Source | Battery Powered |
| Product Dimensions  | 1 x 1 x 1 inches; 2.5 ounces |
| Series Number | 100 |
| Shape | Round |
| Sport Type | water sports |
| Strap Type | Removable |
| Style Name | Sport |
| Theme | Sports |
| UPC | 079767925109 961613281715 709011311869 |
| Unit Count | 1 Ounce |
| Warranty Type | Limited |
| Watch Movement Type | Japanese Quartz |
| Water Resistance Depth | 200 meters |
| Water Resistance Level | Water Resistant |

## Images

![G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery - Image 1](https://m.media-amazon.com/images/I/61I+vb19Y6L.jpg)

## Questions & Answers

**Q: Does this watch show the date?**
A: Yes.The top half of the watch shows the day (Sat), month (11), and date (30). The bottom half of the watch shows the time.

**Q: Will it show scratches on crystal over time?**
A: I have worn mine every day for six months and no scratches yet.

**Q: Is the color in the picture accurate?**
A: This is not an accurate photo of watch.  The watch is black and not the grey color.  Also the display is a lot clearer in person.  Check ebay for better pictures of nice watch

**Q: Does it work in snow? Or freeze up?**
A: -10 and wet snow, it works.

## Frequently Bought Together

- Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery
- Casio DW9052 Series | Men’s Digital Watch | G-Shock | 1/100 SEC Stop Watch | Countdown Timer | LED Light | 200M WR | Shock Resistant | Multi Alarm | Auto Calendar | Dual Time | 2 Yr Batt
- Casio Illuminator AE1500WH Series | 10-Year Battery | LED Backlight | 5-Alarms | 1/100 Sec Stopwatch | Men's Digital Watch

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**Shop now:** [https://www.desertcart.tn/products/1342598-g-shock-gd100-1b-mens-tough-digital-watch-200m-water](https://www.desertcart.tn/products/1342598-g-shock-gd100-1b-mens-tough-digital-watch-200m-water)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-11*