CASIO G-SHOCK GA-2100-1A1JF Black Analog-Digital Watch

Product Overview
The CASIO G-SHOCK GA-2100-1A1JF is a best-selling model from the GA-2100 series, known for its sleek blacked-out design and ultra-durable Carbon Core Guard structure. This analog-digital hybrid watch delivers a minimalist aesthetic while maintaining the rugged toughness that G-SHOCK is famous for.

Key Features

• Carbon Core Guard Structure
  Lightweight resin reinforced with carbon fiber offers high impact resistance in a slim profile.

• Analog-Digital Display
  Dual-time format combines traditional hands with digital features.

• Shock Resistant
  Engineered to resist mechanical shock and vibration.

• 200M Water Resistance (20 ATM)
  Suitable for swimming, showering, and everyday wear.

• World Time

  • 48 cities + UTC

  • Daylight saving on/off

• Stopwatch

  • 1/100 sec accuracy (<1 hour)

  • 1 sec accuracy (≥1 hour)

  • Max 24-hour range

  • Split time functionality

• Countdown Timer

  • Max 24 hours

  • 1-second unit setting

• Daily Alarms

  • 5 alarms + hourly time signal

• Hand Shift Function

  • Temporarily moves the hands for an unobstructed digital display

• Full Auto Calendar

  • Pre-programmed until 2099

• 12/24-Hour Format Switch

• Double LED Light (Super Illuminator)

  • White LED for both analog and digital displays

  • Auto light with afterglow (1.5 or 3 seconds)

• Quartz Movement

  • Average monthly accuracy: ±15 seconds

Specifications

• Model Number: GA-2100-1A1JF

• Color: Matte Black (Stealth Style)

• Case Size: 48.5 × 45.4 × 11.8 mm

• Weight: 51 g

• Case / Bezel / Band Material: Resin

• Glass: Inorganic (scratch-resistant)

• LED Color: White

What’s Included

• Casio Original Box

• Instruction Manual