Casio G-Shock GA100-1A1 | Men’s Tough Analog-Digital Watch | 200M Water Resistant | Shock & Magnetic Resistant | Sporty & Rugged Design

Price: $120.00 - $83.00
(as of Jul 05, 2026 10:11:58 UTC – Details)

G-SHOCK GA100-1A1: The Ultimate Tough & Tactical Watch Designed for those who demand extreme durability and precision, the G-SHOCK GA100-1A1 is a rugged yet stylish timepiece that combines analog and digital displays for maximum functionality. Built with shock resistance, magnetic resistance, and 200-meter water resistance, this watch is engineered for military, athletes, outdoor adventurers, and extreme sports enthusiasts. The matte black resin case and band provide a stealthy, tactical look, while the oversized face and high-contrast digital-analog layout ensure easy readability. Whether you’re timing a workout, tracking speed, or setting alarms, the GA100-1A1 delivers reliable performance in any environment. Equipped with a 1/1000-second stopwatch, speed indicator, and countdown timer, this G-SHOCK is perfect for training and competition. The LED backlight with afterglow ensures visibility in the dark, while five daily alarms and world time settings keep you on track across time zones. With its bold design, legendary toughness, and versatile functionality, the GA100-1A1 is not just a watch—it’s a statement of strength and endurance.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1 x 1 x 1 inches; 2.5 ounces
Item model number ‏ : ‎ GA-100-1A1DR (G270)
Department ‏ : ‎ mens
Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
Date First Available ‏ : ‎ March 16, 2010
Manufacturer ‏ : ‎ Casio
ASIN ‏ : ‎ B003WPUU0U
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Best Sellers Rank: #51,737 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #112 in Men’s Wrist Watches
Customer Reviews: 4.6 4.6 out of 5 stars (7,482) 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); } }); });