Casio GA-100-1A4

Unleash a look of "power and strength" with the Casio G-SHOCK GA-100-1A4. A true "Best Seller" in the G-SHOCK lineup, this model is famous for its massive 55mm case and a high-contrast black and red color scheme. Designed for those who live on the edge, it is a staple for extreme sports, military use, and street fashion.

The GA-100-1A4 features a sophisticated "three-dial" face that creates a 3D sense of depth. It isn't just a tough face, though—it’s a precision instrument capable of measuring speeds with its 1/1000-second stopwatch and dedicated velocity indicator.

Key Features

• Extreme Durability: Engineered to be "Shock Resistant," 200-meter water resistant, and Magnetic Resistant, ensuring it survives environments that would crush standard watches.
• 1/1000-Second Stopwatch: Offers elite-level precision timing, including lap times, split times, and a unique Speed Indicator that calculates units per hour.
• 3D Dial Design: Features raised hour markers and a multi-dimensional face layout with one analog sub-dial and two digital displays for a high-tech "cockpit" feel.
• Auto LED Light: Includes an "Auto Light Switch" that illuminates the face with a flick of the wrist, making it "easy to see in darkness".
• Tactical Controls: Equipped with over-sized buttons featuring a checkered anti-slip surface, allowing for "fast and sure" operation even while wearing gloves.
• World Time: Supports 29 time zones and 48 cities, making it a perfect companion for global travel or military deployments.
• 5 Daily Alarms: Includes four one-time alarms and one snooze alarm, plus an hourly time signal to keep your schedule tight.

Specifications at a Glance

• Case Size: 55 × 51.2 × 16.9 mm (Bold, over-sized presence)
• Weight: 70 g
• Accuracy: High-precision quartz timing at around 15 seconds per month.
• Battery: Approx. 2-year life on a CR1220.
• Glass: Scratch-resistant Mineral Glass.