Casio G-Shock Men's Watch GA-B2100C-9A Analog-Digital 2100 Series Smartphone Link and Tough Solar power Shock Proof battery life: 5 years on

battery life: 5 years on CR1616

Larger shock-resistant side buttons eliminate the need for button guards

Black ion plated band

Total weight : 56g

Dimensions: 55

Casio G-Shock Men's Watch GA-B2100C-9A Analog-Digital 2100 Series Smartphone Link and Tough Solar power Shock Proof battery life: 5 years onFeatures Upgrade the retro look you love with the octagonal GA 2100 line, which inherits the design concept of the very first G SHOCK, but now with Smartphone Link and Tough Solar power. Specifications Case and bezel material Case bezel material: Carbon Resin Band Resin Band Construction Shock Resistant Carbon Core Guard structure Water resistance 200 meter water resistance Power supply and battery life Tough Solar (Solar powered) Smartphone Link