CASIO G-SHOCK - ➡️ GBA-800 Series with Bluetooth® Connectivity; engineered for sports activities : Linking with the G-SHOCK Connected phone app provides access to a number of functions to support your workouts.
Casio G-Shock GBA-800 Watches With Fitness Tracking | aBlogtoWatch
A look at the Casio G-Shock GBA-800: mixing fitness with style | TechSpot