Casio G-Shock GD100-1B | Men’s Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery

Price: $110.00 - $98.49
(as of Apr 27, 2026 23:49:52 UTC – Details)


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.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1 x 1 x 1 inches; 2.5 ounces
Item model number ‏ : ‎ GD100-1B
Department ‏ : ‎ WATCHES
Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
Date First Available ‏ : ‎ October 4, 2010
Manufacturer ‏ : ‎ Casio
ASIN ‏ : ‎ B003URSIKO
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Best Sellers Rank: #58,185 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #129 in Men’s Wrist Watches
Customer Reviews: 4.7 4.7 out of 5 stars (2,017) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

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