G-SHOCK GAB2100BEG-1A – 2100 Series Analog-Digital Watch

The G-SHOCK GAB2100BEG-1A is a bold 2100 Series analog-digital G-SHOCK watch featuring a striking black and electro green design. Built with legendary G-SHOCK shock resistance, Carbon Core Guard structure, Tough Solar power, Bluetooth smartphone link, and 200-meter water resistance, this model combines modern style with everyday toughness and practical functionality.

New Release: 05/2026

Design Overview

The GAB2100BEG-1A brings a bold, dynamic, and electric look to the G-SHOCK lineup. The LCD is printed with touches of electro green, set against a bezel, band, and dial in classic G-SHOCK black. This creates a sharp, stylish contrast that feels modern, energetic, and fearless.

Press the light button to illuminate the digital display for easy readability, even in the dark. With its electro green accents, black exterior, slim 2100 Series profile, and connected functionality, this watch is ideal for those who want a tough everyday analog-digital G-SHOCK with a clean and powerful visual presence.

Key Features

• Analog-Digital display
• 2100 Series design
• Shock Resistant construction
• Carbon Core Guard structure
• 200-meter water resistance
• Tough Solar solar-powered system
• Bluetooth smartphone link with automatic time adjustment
• Mobile Link using Bluetooth wireless linking
• CASIO WATCHES app connectivity
• World Time with 38 time zones
• 1/100-second stopwatch
• Countdown timer up to 60 minutes
• 5 daily alarms and hourly time signal
• Double LED light with Super Illuminator
• Power Saving feature
• Battery level indicator
• Hand shift feature

Case & Exterior

• Case / Bezel Material: Carbon / Bio-based resin
• Band: Bio-based resin band
• Glass: Mineral Glass
• Other Exterior Feature: Neobrite
• Compatible Band Size: 145 – 215 mm
• Weight: 52 g

Case Dimensions

• Case Size (L × W × H): 48.5 × 45.4 × 11.9 mm

Power & Accuracy

• Power Supply: Tough Solar, solar powered
• Accuracy: ±15 seconds per month, with no mobile link function
• Approx. Battery Operating Time: 7 months on rechargeable battery with normal use without exposure to light after charge
• Power Save Run Time: 18 months on rechargeable battery when stored in total darkness with power save function on after full charge

Smartphone Link / App Connectivity

• Smartphone Link Feature: Mobile Link, wireless linking using Bluetooth
• App: CASIO WATCHES
• Time Adjustment: Bluetooth connects to a smartphone and automatically adjusts the time
• App Connectivity Features: Auto time adjustment, easy watch setting, approximately 300 world time cities, Time & Place, reminder, phone finder

Functions

• World Time: 38 time zones, 38 cities + Coordinated Universal Time
• World Time Features: City code display, city name display, daylight saving on/off, auto summer time DST switching, Home city/World time city swapping
• Stopwatch: 1/100-second stopwatch
• Stopwatch Measuring Capacity: 00'00''00–59'59''99 for the first 60 minutes; 1:00'00–23:59'59 after 60 minutes
• Stopwatch Measuring Unit: 1/100 second for the first 60 minutes; 1 second after 60 minutes
• Stopwatch Measuring Modes: Elapsed time, lap/split time
• Timer: Countdown timer
• Timer Measuring Unit: 1 second
• Countdown Range: 60 minutes
• Countdown Start Time Setting Range: 1 second to 60 minutes, in 1-second and 1-minute increments
• Alarm: 5 daily alarms
• Hourly Time Signal: Yes
• Light: Double LED light
• Face Light: LED light for the face with Super Illuminator, selectable illumination duration of 1.5 seconds or 3 seconds, afterglow
• Digital Display Light: LED backlight for the digital display with Super Illuminator, selectable illumination duration of 1.5 seconds or 3 seconds, afterglow
• Light Color: LED: White
• Calendar: Full auto-calendar to year 2099
• Energy Saving Feature: Power Saving, display goes blank to save power when the watch is left in the dark
• Mute Feature: Button operation tone on/off
• Battery Display / Alert: Battery level indicator
• Hand Shift Feature: Hands move out of the way to provide an unobstructed view of digital display contents
• Time Format: 12/24-hour format
• Date Display: Date/month display swapping
• Day Display: Days of the week selectable in six languages
• Regular Timekeeping: Analog: 2 hands, hour and minute, with hand moving every 20 seconds; 1 dial for battery level and mode
• Digital Timekeeping: Hour, minute, second, p.m., month, date, day

Water Resistance

• Water Resistance: 200 meters

Summary

The G-SHOCK GAB2100BEG-1A is a modern 2100 Series analog-digital watch with bold black and electro green styling, Shock Resistant construction, Carbon Core Guard structure, Tough Solar power, Bluetooth smartphone connectivity, 200-meter water resistance, world time, stopwatch, countdown timer, alarms, Super Illuminator lighting, and practical connected features through the CASIO WATCHES app. It is a strong choice for anyone looking for a durable everyday G-SHOCK analog-digital watch with smart functionality and a sharp electric design.

For more details, visit the official CASIO website here.

Warranty

All our G-SHOCK watches include the official manufacturer’s warranty for peace of mind and long-term protection.

▶︎ Processing Time & Shipping Policy
▶︎ Refund Policy
We only carry G-SHOCK USA products.
Unfortunately, we DO NOT ship internationally.