Finally it's here, the new G-Shock in an octagonal design Fans have had to wait a long time but now the time has finally come - the new G-Shock GA-2100-7AER is available. It comes in a new, narrow octagon design and has been reinforced with Carbon Core Guard technology. Of course, the new 2100 series model also offers water resistance up to 200 metres and the mix of analogue and digital display and functions that you as a Casio fan or newcomer to the Casio family will not want to do without.