Casio G-Shock GBA-900-1AER Bluetooth Sports Watch Black

The Casio G-Shock GBA-900-1AER is a rugged sports watch combining G-Shock's legendary toughness with Bluetooth smartphone connectivity for enhanced fitness tracking capabilities. The all-black design features the bold, angular case styling characteristic of the G-Shock line.

The watch connects to a smartphone via Bluetooth and the G-Shock Connected app, enabling step counting, calorie tracking, lap time recording, and training log management. The built-in accelerometer tracks daily steps and displays progress toward fitness goals on the watch face. Multiple timer functions and a stopwatch with lap memory support interval training and running workouts. The watch also displays smartphone notifications when connected.

G-Shock construction provides shock resistance, 200-metre water resistance, and mineral glass protection for demanding outdoor and sporting environments. The resin case and band are lightweight, comfortable, and resistant to sweat and moisture. The LED backlight illuminates the digital display for low-light reading. Battery life extends approximately two years on a standard CR2016 battery. The GBA-900 series is part of the G-Shock Move fitness range. Manufactured by Casio, the Japanese watch and electronics company that created the G-Shock line in 1983.