G-Shock Bluetooth Solar 2100 Series GA-B2100-1AER

The GA-B2100-1AER is one of the most popular modern G-SHOCK models, combining the iconic octagonal "CasiOak" design with advanced Tough Solar charging and Bluetooth smartphone connectivity. Inspired by the original G-SHOCK design, it features a slim carbon-reinforced case, analogue-digital display, and rugged construction suitable for everyday wear, sports, travel, and outdoor activities.

Movement

Tough Solar (Solar-Powered Rechargeable Battery)

Bluetooth Smartphone Link

Automatic Time Adjustment via Smartphone

Accuracy: ±15 Seconds per Month (Without Bluetooth Sync)

World Time for 38 Time Zones

1/100-Second Stopwatch

Countdown Timer

5 Daily Alarms

Hourly Time Signal

Power Saving Function

Battery Level Indicator

Dial

Analogue-Digital Display

Black Dial with High-Contrast Markers

Dual LED Super Illuminator Lighting

Neobrite Luminous Hands

Day, Date and Time Display

Hand Shift Function for Clear LCD Visibility

White LED Illumination with Afterglow

Strap Details

Black Resin Strap

Traditional Buckle Fastening

Lightweight and Comfortable Fit

Compatible Wrist Size: 145–215 mm

Durable Resin Construction for Daily Wear