GBD100-1 | Black Metal Sports Men's Watch G-SHOCK | CASIO
CASIO G-SHOCK - Absolute toughness A G-SQUAD GBD-100-1A7 that delivers step count, calorie, and interval timer measurement. For the first time, offers high-accuracy distance measurement with the built-in accelerometer and smartphone connectivity.
G-SHOCK GBD-100 Vital Series | Hypebeast
Casio G-Shock G Squad GBD-100 Review - iknowwatches.com