Casio G-Shock GD100-1B Men's Tough Digital Watch

4.70 (1815)
Best price today
$68.86
Save 37.40% vs RRP
Best
AMAZON
4.70 (1815)
In stock
$68.86
$110.00 -37.4%
Prices last updated Feb 09, 2026

Highlights

  • Rugged & Sporty Design: Matte black finish with a bold digital display, ideal for tactical and extreme sports.
  • High-Brightness LED: Super Illuminator LED with light guide plate for visibility in low-light conditions.
  • 200M Water Resistant: Perfect for swimming, snorkeling, and outdoor adventures.
  • Extended 7-Year Battery Life: Powered by a CR2025 battery for long-lasting performance.
  • Shock-Resistant Structure: Built to withstand extreme conditions, ideal for sports and military use.

Description

The Casio G-Shock GD100-1B Men's Tough Digital Watch is the ultimate accessory for those who demand durability and performance. This watch is engineered for the adventurous spirit, featuring a rugged and sporty design with a matte black finish that exudes strength and resilience. Its bold digital display is perfect for tactical, military, and extreme sports enthusiasts who require a watch that can keep up with their active lifestyle. One of the standout features of the GD100-1B is its high-brightness LED backlight. Equipped with a Super Illuminator LED and a light guide plate, this watch ensures exceptional visibility even in the darkest environments, making it the ideal companion for nighttime missions or low-light conditions. The GD100-1B is not just about looks; it's built to withstand the elements. With a water resistance of up to 200 meters, this watch is perfect for swimming, snorkeling, and other water-based activities. Its shock-resistant structure makes it capable of enduring the toughest conditions, whether you're scaling mountains or navigating rough terrains. What sets this watch apart is its extended 7-year battery life, powered by a CR2025 battery. This means you can rely on its performance without the hassle of frequent battery replacements. The Japanese Quartz movement ensures precision and reliability, hallmarks of Casio's renowned craftsmanship. Designed with a round-shaped, mineral glass dial window and a sturdy resin case, this watch is as tough as it is stylish. The black resin band is comfortable and durable, tailored for men's standard sizes, ensuring a perfect fit for any wrist. The stationary resin bezel and the day-date-month calendar add to its practical functionality, making it a versatile accessory for any occasion. The Casio G-Shock GD100-1B is not just a watch; it's a statement of resilience and adventure. Whether you're in the military, an outdoor enthusiast, or simply someone who appreciates a robust timepiece, this watch is your ideal companion.

Specifications

Manufacturer Casio
Customer Reviews 4.7 4.7 out of 5 stars (1,815) 4.7 out of 5 stars
Model Number GD100-1B
Item Shape Round
Display Type Digital
Clasp Buckle
Case Material Resin
Case Diameter 51.2 Millimeters
Case Thickness 17.4 Millimeters
Band Material Resin
Band Width 21 Millimeters
Band Color Black
Dial Color Black
Item Weight 2.5 Ounces
Movement Japanese Quartz
Water Resistance Depth Water Resistant
Warranty Limited
Brand Casio
Brand Name Casio
Age Range Description Adult
Model Name G-Shock
Series Number 100
Upc 079767925109 961613281715 709011311869
Item Type Name Casio G-Shock X-Large Digital Reverse LCD GD100-1B
Included Components Casio G-Shock X-Large Digital Reverse LCD GD100-1B
Item Height 1 inches
Power Source Battery Powered
Strap Type Removable
Sport Type Water Sports
Embellishment Feature Crystal
Crystal Mineral Glass
Style Sport
Face Style Linen
Gtin 04971850925118, 00079767925109
Pattern Digital

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