G-Shock Casual Men's Watch GA-B2100CT-5ADR GA-B2100CT-5ADR

The Casio G-Shock GA-B2100CT-5ADR is a rugged yet eco-conscious sports watch from the popular “CasiOak” GA-B2100 series, featuring the iconic octagonal bezel design. The watch combines durability with modern technology, including Tough Solar power and Bluetooth smartphone connectivity for enhanced functionality.

Designed with sustainability in mind, this model uses a cloth band made from traceable organic TRUECOTTON and dyes created from natural ingredients through the FOOD TEXTILE project, reducing environmental impact while delivering a unique earthy style.

Built with Carbon Core Guard structure, shock resistance, and 200-meter water resistance, the GA-B2100CT-5ADR is ideal for outdoor adventures, sports activities, and everyday wear.

• Iconic octagonal “CasiOak” G-Shock design

• Tough Solar power system (solar charging)

• Bluetooth smartphone connectivity with CASIO WATCHES app

• Carbon Core Guard structure for enhanced durability

• Shock-resistant construction

• 200-meter water resistance suitable for swimming and outdoor activities

• Double LED Super Illuminator light

• World time for 38 time zones

• Eco-friendly TRUECOTTON cloth strap

• Full auto-calendar (to year 2099)

Brand: Casio

Collection: G-Shock GA-B2100 Series

Model: GA-B2100CT-5ADR

Movement: Solar Quartz (Tough Solar)

Display Type: Analog-Digital

Dial Color: Brown / Khaki

Case Material: Carbon / Bio-based Resin

Case Size: 48.5 × 45.4 × 11.9 mm

Glass: Mineral Glass

Band Material: Cloth (TRUECOTTON)

Band Color: Khaki Brown

Clasp: Buckle

Water Resistance: 200 meters (20 ATM)

Functions

• Bluetooth Mobile Link (CASIO WATCHES app)

• Auto time adjustment via smartphone

• World time (38 time zones)

• 1/100-second stopwatch

• Countdown timer

• 5 daily alarms

• Double LED light with afterglow

• Power-saving mode

• Battery level indicator

• Hand shift feature for clear digital display

• Full auto-calendar (to year 2099)

Accuracy: ±15 seconds per month (without mobile link)

Power Reserve: Approx. 7 months on full charge

Weight: Approx. 57 g

100% Original Casio G-Shock Watches

Fast & Secure Shipping

Safe Online Payments

Easy Returns & Exchanges

Quality Checked Before Dispatch

Trusted Watch Retailer

• Men looking for a stylish rugged G-Shock watch

• Outdoor and adventure activities

• Everyday casual and sports wear

• Watch collectors who like the CasiOak series

• Eco-conscious users who prefer sustainable materials

Q: Is the GA-B2100CT-5ADR solar powered?

Yes, it features Casio Tough Solar technology, allowing the watch to charge using sunlight or artificial light.

Q: Does this watch connect to a smartphone?

Yes, it includes Bluetooth mobile link, allowing it to sync with the CASIO WATCHES app for automatic time adjustment and additional functions.

Q: Is the watch suitable for swimming?

Yes, the watch offers 200-meter water resistance, making it suitable for swimming and water sports.

Q: What is special about the strap material?

The strap is made from traceable organic TRUECOTTON with natural dyes, supporting sustainable and environmentally friendly manufacturing