Casio G-Shock G-Steel Men's Watch GST-B300S-1A Analog-Digital GST-B300 Series Carbon Core Guard Structure Tough Solar (Solar powered) G-SHOCK ANALOG-DIGITAL Estimated battery life: 10 years

Estimated battery life: 10 years (using CR2025)

battery life: 5 years

creating a steady atmosphere with a black resin strap

Add in the dual time displays for two different cities

From BABY-G

Casio G-Shock G-Steel Men's Watch GST-B300S-1A Analog-Digital GST-B300 Series Carbon Core Guard Structure Tough Solar (Solar powered) G-SHOCK ANALOG-DIGITAL Estimated battery life: 10 yearsFeatures From G SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, come new rugged style G STEEL models that feature Carbon Core Guard structures. This new model adopts tough G SHOCK styling with a disk indicator at 6 oclock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital