GST-B400-1AER | Bluetooth, Bluetooth, solar power | The GST-B400 is our latest G-STEEL model, the slimmest G-SHOCK of this series yet (12.9 millimeters) and constructed with a lightweight carbon fiber... | By
Slimmer than ever! Casio G-Shock G-Steel GST-B400 | First impressions review - YouTube
▻▻ Check Out The Casio G-Shock G-STEEL GST-B400-1AER? (2021)