CASIO
G-SHOCK GA-100L-2A
G-SHOCK GA-100L-2A
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Casio G-Shock GA-100 Series - Model GA100L-2A
The GA100L-2A is a bold and rugged analog-digital G-SHOCK model that introduces bi-color molding for a striking two-tone band design. Featuring magnetic resistance, shock resistance, and a military-inspired aesthetic, this watch is built for those who demand durability and style in their timepieces.
Design Overview
The GA100L-2A stands out with its deep blue exterior and contrasting interior band color, inspired by the inner lining of a flight jacket. The large case and high-contrast digital-analog display make it easy to read at a glance, while the bi-color molding technique adds a unique visual appeal.
Key Highlights
- Bi-color molded resin band with contrasting inner lining.
- Military-inspired design with bold styling.
- Magnetic resistance for enhanced durability.
- Shock-resistant & 200-meter water resistance, ensuring long-lasting toughness.
Features
Case & Band
- Case Dimensions: 55 × 51.2 × 16.9 mm
- Material: Resin for lightweight durability.
- Band: Resin band with bi-color molding.
- Weight: 72 g
Durability
- Shock-resistant construction for ultimate toughness.
- Magnetic Resistant for precision in high-magnetic environments.
- Water Resistance: 200 meters, making it ideal for water activities.
Exterior
- Glass: Mineral glass for scratch resistance.
- Band Compatibility: Fits wrists 145 to 205 mm.
Technology & Functional Highlights
Timekeeping
- World Time: 29 time zones (48 cities + UTC), daylight saving on/off, home city/world time city swapping.
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Analog & Digital Display:
- Analog: 2 hands (hour, minute - minute hand moves every 20 seconds), 1 dial (speed).
- Digital: Hour, minute, second, pm, month, date, day.
Timers & Alarms
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Stopwatch:
- 1/1000-second measurement.
- Measuring capacity: 99:59'59.999".
- Measuring modes: Elapsed time, lap time, split time.
- Speed measurement (0 to 1998 units/hour).
- Mach indicator (speed exceeding 1225 units/hour).
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Countdown Timer:
- Range: 24 hours.
- Start time setting: 1 minute to 24 hours (1-minute and 1-hour increments).
- Auto-repeat function.
- 5 Daily Alarms (including 1 snooze alarm) & Hourly Time Signal.
Lighting
- LED Backlight (Amber Color)
- Auto Light Switch for hands-free illumination.
- Selectable Illumination Duration (1.5 or 3 seconds).
- Afterglow for extended visibility.
Calendar & Accuracy
- Full-auto calendar pre-programmed until the year 2099.
- Accuracy: ±15 seconds per month.
Additional Features
- 12/24-hour format for flexible time display.
- Regular timekeeping with essential functions.
Power & Battery
- Battery Life: Approx. 2 years on CR1220 battery.
Summary
The GA100L-2A is a rugged yet stylish timepiece, blending military aesthetics with bi-color molding for a fresh, dynamic look. With its shock-resistant structure, magnetic resistance, and advanced timing functions, it’s a perfect choice for outdoor enthusiasts, sports professionals, and everyday wear. This model offers bold design, durability, and high functionality, making it a standout in the GA-100 series.
For more details, visit the official Citizen website here.
Warranty:
- The watch is covered by a warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.
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Explore Your Favorite G-SHOCK Watches
Explore our current selection of G-SHOCK watches. If you don’t see your preferred model, check the G-SHOCK USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry G-SHOCK USA products.
- Unfortunately, we DO NOT ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.