This is the Casio G Shock Black Watch GA2200BB 1A. Answer the call to every adventure with this tough watch built with a carbon core guard structure an indispensable tool for your kit of outdoor gear. The three tier construction seamlessly integrates bezel, case back and buttons to slim the case down to a mere 12.4mm. Larger shock resistant side buttons eliminate the need for button guards, for a more compact timepiece. All this, with zero compromise on ease of use in fact, it s even easier.