Casio G Shock Watch

The Casio G-Shock GA-100 Series is one of the most iconic "Extra Large" models in the G-Shock lineup. Known for its distinct "three-dial" face and rugged, industrial look, it’s a staple for military personnel, law enforcement, and outdoor enthusiasts. Casio G-Shock GA-100 Professional Series The "X-Large" Standard. Absolute Toughness. Unmatched Precision Command attention with the watch that defined the "Big Case" era. The GA-100 is engineered to withstand the most punishing environments on Earth. Combining high-impact resistance with advanced digital-analog functionality, this timepiece is more than a watch—it’s a piece of tactical equipment. Whether you're navigating the urban jungle or the literal one, the GA-100 delivers magnetic resistance, 200m water resistance, and a millisecond-precision stopwatch that tracks speed with ease

Core Features & InnovationsUltra-Durable "X-Large" Case: A 51.2mm wide resin case provides a commanding presence while shielding the internal quartz module from mechanical stress and vibration.1/1000-Second Stopwatch: Professional-grade timing accuracy that includes a Speed Indicator, allowing you to calculate velocity over a set distance.

Magnetic Resistance: Built to JIS Class-1 standards, ensuring that electronic interference from gear or machinery won't affect your timekeeping accuracy.Auto-LED "Amber" Light: Features an Auto-Light switch that illuminates the face with a simple tilt of the wrist—essential for low-light or tactical operations.World Time Mastery: Instantly switch between 48 cities across 29 time zones, making it the perfect companion for global travel.Technical SpecificationsFeatureSpecificationCase Size (L×W×H)55 × 51.2 × 16.9 mmWeight70 g (Ultra-lightweight resin)Water Resistance200 Meters (20 Bar / ISO 22810)Accuracy±15 seconds per monthBattery LifeApprox. 2 years (CR1220)Stopwatch1/1000-sec (Capacity: 99:59'59.999'')Alarms5 Daily Alarms (with 1 Snooze)CalendarFull Auto-Calendar (to year 2099)