Casio Men’s G-Shock Analog-Digital Watch GA-100C-8ACR,

Product Overview

The Casio Men’s G-Shock GA-100C-8ACR is a high-performance analog-digital watch engineered for active lifestyles and demanding environments. Built on the legendary durability of the G-Shock platform, this timepiece combines rugged resilience with essential smartwatch-style functionality in a bold, sporty design. Featuring a grey resin case and matching strap accented by vibrant neon blue detailing, the GA-100C-8ACR delivers both visual impact and practical performance. Whether you’re hitting the trails, training at the gym, or managing a global schedule, this watch offers reliable timekeeping backed by 200 meters of water resistance and a suite of useful tools—all housed in a compact, lightweight package that’s built to last.

With its hybrid analog-digital display, the GA-100C-8ACR gives you the best of both worlds: classic hands for easy time reading alongside a digital dial that shows seconds, date, and additional functions with crisp clarity. The large numerals and contrasting colors ensure visibility even in bright sunlight or low-light conditions thanks to an LED backlight with afterglow—perfect for nighttime activities or early morning workouts. Its quartz movement (Calibre 5081) ensures accurate timekeeping with minimal maintenance, while the solid stainless steel case back adds structural integrity without sacrificing comfort.

Key Features

• Rugged Shock-Resistant Construction: As a core tenet of the G-Shock legacy, this model is designed to withstand drops, impacts, and daily wear—making it ideal for athletes, adventurers, and anyone needing a dependable daily companion.
• Hybrid Analog-Digital Display: Traditional hour and minute hands work in tandem with a digital subdial showing seconds, date, and function indicators, offering versatile readability for any situation.
• Full Auto Calendar: Automatically updates the date according to the selected month and year, eliminating the need for manual adjustments and reducing user error over time.
• LED Illumination with Afterglow: Activate the light to illuminate the dial instantly; the afterglow feature keeps previously lit segments briefly visible, enhancing usability in dark settings.
• World Time Function: Track current time across multiple global cities simultaneously—ideal for business travelers or those coordinating across time zones.
• Precision Countdown Timer: Set countdowns down to one-thousandth of a second, supporting everything from interval training to cooking timers or project management.
• Hourly Time Signal: A tone sounds at the top of every hour to help keep you on schedule during workouts, meetings, or travel.
• 200-Meter Water Resistance: Suitable for swimming, snorkeling, and recreational water sports; not rated for scuba diving or high-pressure water activities like deep-sea diving or jet skiing.

Technical Specifications

• Model Number: GA-100C-8ACR
• Case Material: Grey Resin
• Band Material: Grey Resin Strap
• Dial Type: Analog-Digital with Blue Hands and Index Markers
• Movement: Quartz (Casio Calibre 5081)
• Case Dimensions: 55.0 mm (diameter) x 51.2 mm (width)
• Case Thickness: 16.9 mm
• Clasp Type: Tang Buckle
• Crystal: Scratch-Resistant Mineral Glass
• Case Back: Solid Stainless Steel
• Battery: Lithium Metal (pre-installed)
• Weight: 0.35 ounces
• Dimensions: 1 x 1 x 1 inches
• Department: Mens
• ASIN: B00GBHZDY4

Benefits & Use Cases

This watch excels in scenarios where reliability, visibility, and multi-functionality are paramount. Athletes will value the countdown timer and hourly signal for structured training sessions, while frequent travelers benefit from the world time function for seamless coordination across continents. The 200-meter water resistance makes it a trusted choice for surfers, swimmers, and outdoor enthusiasts who encounter wet environments regularly. Despite its tough build, the resin construction keeps the watch lightweight and comfortable for all-day wear—whether worn under a shirt cuff during business hours or outdoors during weekend adventures.

The tang clasp provides a secure, adjustable fit without bulky excess, and the scratch-resistant mineral crystal protects the display from everyday abrasion. The full auto calendar eliminates the hassle of resetting the date each month, especially useful during long trips or seasonal changes. With support for both 12-hour and 24-hour formats, the GA-100C-8ACR adapts to diverse regional preferences and professional standards.

Important Notes

The Casio G-Shock GA-100C-8ACR remains actively available as of the latest product information and has not been discontinued. It includes a pre-installed lithium metal battery, so no immediate replacement is needed upon delivery. For detailed warranty coverage, customers should consult Casio’s official support resources linked in the product listing. This model holds a customer rating of 4.6 out of 5 stars based on over 2,600 reviews, reflecting strong satisfaction among users. It currently ranks #491 in Men’s Wrist Watches, indicating consistent demand within the category.

Please verify that the depth rating aligns with your intended use—while suitable for swimming and snorkeling, it is not certified for scuba diving or high-speed water sports involving extreme pressure. Always rinse the watch with fresh water after saltwater exposure and avoid pressing buttons underwater beyond shallow depths.