Casio G-Shock G-Steel Men's Watch GST-S100G-1B Analog-Digital GST-S100 Series Layer Guard Structure Tough Solar (Solar powered) G-Shock Women's Digital Estimated battery life: 2 years

Estimated battery life: 2 years (using CR2016)

Distance measurements used in combination with run time measurements let you keep track of your pace

Total weight : 160g

time difference between first and second place

Casio G-Shock G-Steel Men's Watch GST-S100G-1B Analog-Digital GST-S100 Series Layer Guard Structure Tough Solar (Solar powered) G-Shock Women's Digital Estimated battery life: 2 yearsFeatures G STEEL GST S100 Series From G SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes new G STEEL models, a watch series with a new "Layer Guard Structure*." The GST S100G that combines a solid case with a resin band. The overall black coloring of this model is offset by white hour and minute hands for designs that are chic and cool. A Tough Solar power system ensures virtually uninterrupted