The Casio G-Shock GBA-800-1AER is a robust and feature-rich sports watch from Casio's G-Squad line, designed for fitness enthusiasts and active individuals. Encased in a durable black resin body, the watch measures 54.1 × 48.6 × 15.5 mm and weighs approximately 61 grams. It boasts a hybrid analog-digital display protected by mineral glass and is water-resistant up to 200 meters, making it suitable for swimming and other water activities. The watch is powered by a CR2016 battery with an estimated lifespan of two years.

Equipped with Bluetooth® connectivity, the GBA-800-1AER syncs with the G-SHOCK Connected app, allowing users to track steps, set daily goals, and monitor calories burned. It features a built-in three-axis accelerometer for accurate step counting and offers a stopwatch with 200-lap memory, interval timers, and five daily alarms. The double LED Super Illuminator ensures visibility in low-light conditions, while the hand shift function temporarily moves the analog hands to provide an unobstructed view of the digital display. Additional features include world time for over 300 cities, a full auto-calendar, and a phone finder function.