Description
Bold. Tough. Unstoppable.
The Casio G-Shock GA100-1A1 is a standout in Casio’s legendary G-Shock lineup — engineered for durability, precision, and everyday versatility. Built to excel in the most demanding environments, this timepiece blends rugged performance with a commanding design that’s as functional as it is stylish.
Rugged Construction & Iconic G-Shock Durability
Crafted with G-Shock’s signature shock-resistant architecture, the GA100-1A1 withstands drops, impacts, and vibration with ease — a hallmark of G-Shock toughness since 1983. Its robust resin case and band offer long-lasting durability while keeping the watch lightweight and comfortable at approximately 70 g.
Sport-Ready Performance
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200-Meter Water Resistance: Ready for serious outdoor play, from swimming to surface water sports.
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Magnetic Resistance: JIS Class-1 magnetic resistance ensures reliable timekeeping even under magnetic stress.
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Resin Band & Mineral Glass: Tough materials stand up to daily wear while protecting the dial from scratches and scuffs
Analog-Digital Hybrid Display
The GA100-1A1’s bold black dial combines analog hands with multiple digital displays for a dynamic, high-contrast look. Four LCD windows present time, date, and additional functions in a symmetrical layout that’s both visually striking and highly practical. Large aluminum hour and minute hands are lightweight and shock-resistant for everyday readability.
Advanced Functional Features
This timepiece does far more than tell time — it’s packed with features built for life on the go:
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1/1000-Second Stopwatch & Speedometer: Track elapsed time with precision and calculate speed over a set distance.
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World Time: Access 29 time zones (48 cities + UTC) — perfect for travelers and global schedules.
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Countdown Timer: Set event-based countdowns ranging from 1 minute up to 24 hours with auto-repeat.
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5 Daily Alarms + Snooze: Keep your day on track with multiple alerts and a snooze option.
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Auto LED Light with Afterglow: Illuminates the display in low light conditions for quick and easy reading
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Full Auto-Calendar: Pre-programmed calendar through the year 2099.
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12/24-Hour Time Formats & ±15 sec/month Accuracy: Choose your preferred display style and enjoy reliable timekeeping.
Comfortable & Functional Everyday Wear
With a case size around 55 × 51.2 × 16.9 mm, the GA100-1A1 makes a bold wrist statement without sacrificing comfort. Its thoughtful button placement and intuitive interface let you access functions quickly, whether you’re training, traveling, or simply navigating a busy day.
Why You’ll Love It:
Whether you’re an outdoor enthusiast, urban adventurer, or just someone who values reliability and style, the Casio G-Shock GA100-1A1 delivers high-performance features in a tough, tactical package that’s built to last.
