Casio G-Shock GA-100-1A2DR

Product Overview

Experience the pinnacle of powerful design with the GA-110. Featuring a massive 55mm case and a 35mm diameter face, this model is engineered to convey a sense of absolute strength and character. The dial is meticulously crafted with raised hour markers and integrated rings to create a striking three-dimensional depth.

This timepiece utilizes the iconic three-dial face layout, positioning a central analog dial between two high-precision digital windows. Beyond its looks, the GA-110 is a technical marvel, offering professional-grade 1/1000-second timing and velocity measurements. Whether you are timing laps on the track or navigating an urban environment, this best-seller provides unmatched performance and presence.

Major Features

• High-Precision Timing: Features a 1/1000-second stopwatch, allowing for professional-level measurement of elapsed time, lap times, and split times.

• Velocity & Mach Indicator: An integrated sub-dial calculates speed and includes a Mach indicator for velocities exceeding 1225 units/hour.

• Magnetic Resistance: ISO 764-class construction protects the analog hands from magnetic interference, ensuring pinpoint accuracy.

• Anti-Slip Tactical Buttons: Oversized buttons feature a checkered anti-slip surface, making operations fast and sure even in high-intensity situations.

• 20-Bar Water Resistance: Fully reliable for swimming, snorkeling, and high-pressure water sports.

• World Time Functionality: Seamlessly track time across 29 time zones and 48 major cities, perfect for global travel.

Technical Specifications

Basic Information

• Case Size (L× W× H): 55 × 51.2 × 16.9 mm

• Weight: 70 g (Robust wrist presence with lightweight resin comfort)

• Material: High-durability Resin case, bezel, and band

• Construction: Shock Resistant; Magnetic Resistant

• Power Supply: Approx. 2-year battery life on CR1220

• Glass: Tough, scratch-resistant Mineral Glass

Watch Features

• Stopwatch: 1/1000-second precision; Measuring capacity: 99:59'59.999''.

• Speed Metrics: Distance input (0.0 to 99.9) for speed calculations up to 1998 units/hour.

• Countdown Timer: 24-hour range with auto-repeat and 1-second measuring units.

• Alarms: 5 daily alarms (including 1 snooze alarm) and hourly time signal.

• Illumination: Amber LED light with Auto Light switch and selectable afterglow duration.

• Calendar: Full auto-calendar (pre-programmed to the year 2099).

• Regular Timekeeping:

  • Analog: 2 hands (hour, minute) and 1 dedicated speed dial.

  • Digital: Hour, minute, second, pm, month, date, day.

Engineering and Ergonomics

Three-Dimensional Depth

The GA-110 stands out due to its multi-layered face. The raised markers don't just add character; they enhance legibility by catching light from different angles. This structural complexity highlights the G-SHOCK dedication to merging fashion-forward design with industrial toughness.

Reliable in the Field

Equipped with a secure resin band fitting wrist sizes from 145mm to 215mm, this watch is built to stay put. The combination of magnetic resistance and shock resistance makes it an essential tool for those working in technical fields or participating in extreme sports.