Casio G-Shock GA-100-1A1 GA100-1A1 Shock Resistant 200M Men's Watch

Casio G-Shock GA-100-1A1 — The Classic Black G-Shock

If the GA-100 series has a signature look, it's this one. All-black everything — case, band, dial — with bold white markings and that unmistakable oversized analog-digital face. The GA-100-1A1 is the G-Shock for people who know exactly what they want: toughness, functionality, and a watch that looks as serious as it performs.

Key Features

• Movement: Quartz analog-digital — dual display for maximum readability
• Case diameter: 51.2mm — bold, large-case G-Shock presence
• Water resistance: 200M — built for swimming and water sports
• Construction: Shock-resistant resin case and band — impact and vibration resistant
• Functions: World time (29 zones), stopwatch, countdown timer, 5 daily alarms, LED backlight
• Reference: GA-100-1A1 / GA100-1A1

The all-black GA-100 is one of the most recognizable G-Shocks ever made. It's been on wrists of athletes, military personnel, and watch enthusiasts worldwide for years — and it shows no signs of slowing down.

Authentic Casio G-Shock timepiece. Orders ship directly from our supplier. See our shipping policy for delivery estimates.