Casio G-Shock in Black with White Hands, Bluetooth & Light GA-B2100-1AER

Casio G-Shock Black Bluetooth Watch

This Casio G-Shock men's watch, model GA-B2100-1AER, presents a classic black design with contrasting white hands for clear timekeeping. The case, which measures 48.5 × 45.4 × 11.9 mm, is constructed from a combination of carbon and resin, and is fitted with a durable resin band. The dial is protected by a tough mineral glass, and the hands feature a Neobrite luminous coating for visibility in low light.

Built around a Carbon Core Guard structure, this watch offers exceptional shock resistance by protecting the internal module from impacts and vibration. Its robust design also provides water resistance up to 200 meters. The watch is powered by Casio's Tough Solar technology, which uses any light source to charge the battery, ensuring reliable operation without the need for regular battery changes.

This model is equipped with Bluetooth, enabling a mobile link with your smartphone for a range of convenient features. The connection facilitates automatic time adjustment for consistent accuracy, while the companion app allows for easy watch setting. Further app functions include access to approximately 300 world time cities, a time and place log, a reminder function, and a useful phone finder to locate your misplaced mobile.

Not sure about water resistance ratings? Read our guide →