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 GBA800UC-2A GBA-800 Series Wristwatch Brand New in Box with Tags | eBay
Casio G-Shock GBA900-1A vs G-Shock GBA800-1A Activity Tracker with Bluetooth - YouTube
HANDS-ON: Casio G-Shock Original G-Squad GBA-800-1AER - YouTube