G-Shock G-CARBON 3D ANA-DIGI New Heavy Duty Case - Interchangeable bandAnswer 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, its even easier. The round