The black-and-white G-Shock that started a thousand clones.

Casio's GA-100 in monochrome—the original oversized analog-digital hybrid that kicked off the "big watch" trend before every brand copied it. Black case, white accents, zero compromise on features. It's the G-Shock that looks deliberate, not tactical. The one you can actually wear with black jeans and a leather jacket without looking like you're about to storm a building.

Why the GA-100 became iconic:

• That oversized 55mm case (bold presence without crossing into novelty territory)
• Analog-digital hybrid layout (quick-glance time + full digital features)
• High-contrast monochrome (reads clearly in any light, ages better than bright colors)
• The original "big G-Shock" design everyone else copied
• Still absurdly tough (200m water resistant, shock resistant, the whole arsenal)

The Black & White Series: Clean, timeless colorway that works with everything. Black case keeps it low-profile, white accents add just enough contrast to be readable without screaming for attention. This is the G-Shock you wear when you want toughness without the tactical vibe—works with streetwear, workwear, or thrown over a suit on the weekend.

What makes the GA-100 different: It's big, but it wears well. The analog hands give you instant time recognition (no squinting at tiny digital numbers), while the digital display handles everything else. The dial layout is clean—no overcrowded mess of subdials. Just a speed indicator at 9 o'clock and all your features in the digital window.

Features that actually matter:

• World time (29 time zones, 48 cities—crucial for travel)
• 1/1000-second stopwatch with speed calculator (tracks pace, distance, even has a Mach indicator if you're feeling ambitious)
• 24-hour countdown timer with auto-repeat (set it and forget it)
• 5 daily alarms + snooze (wake up, intervals, reminders)
• LED backlight with auto-illumination (readable in the dark, turns on when you tilt your wrist)
• 200-meter water resistance (swim, surf, shower, forget about it)
• Shock resistant (drop it, it's fine)
• Battery life: ~2 years (CR1220 battery, cheap and easy to replace)

Fit & Feel: 55mm case—this is a big watch. If you have a 7"+ wrist, it sits perfectly. Smaller wrist (6.5" or less)? It'll wear oversized, but that might be exactly what you want. The resin strap is comfortable and doesn't get stiff or gross with sweat. Standard G-Shock durability—it'll outlast your interest in wearing it.

Style versatility: This is the rare G-Shock that transitions. Black jeans and boots? Yes. Gym shorts and a tank? Sure. Flannel and work pants? Absolutely. The monochrome colorway keeps it from looking too sporty or too tactical—it just looks intentional.

Weight: Light enough to forget you're wearing it, substantial enough to feel quality. Classic G-Shock balance.

Condition: Brand new in original G-Shock tin. Full packaging, manual, warranty card included.

Ships same or next day from Florida.