The latest addition to G-Shock's G-STEEL line is their thinnest model ever. The new GST-B400 is just .25" thick, utilizing a new module to achieve its slim profile and it requires significantly less power than previous models with its use of just two watch hands and low-power Bluetooth connectivity. Available on a rubber strap or a steel bracelet, the GST-B400 models feature a shock-resistant construction, water resistance up to 200M/656ft, a 38 time zone world timer, stopwatch, countdown timer, alarm, Smartphone Link, and Tough Solar power charging with a battery life of up to 18 months with the power-saving function activated.
Casio adds thinner G-Steel cases to its G-Shock Carbon series
The new models feature cases that are 2.0mm thinner than previous designs.
G-Shock's new G-STEEL GST-B300 makes its debut with a new Carbon Core Guard structure
The watch's durability is enhanced with a carbon fiber-reinforced resin.