Introducing the latest additions to the Casio G-Shock S Series lineup of sports watches that are designed and engineeRed to make daily training more fun and effective. The size of the new GMAB800 is apProximately 3 mm Smaller than the case of the popular Casio G-Shock GBA800 which makes it the perfect choice for those with Smaller wrists. This model can also be combined with the GBA800 as a his-and-hers pAir. The watch can Bluetooth® Link with a Smartphone which makes sports activities even more fun while the Casio G-Shock Connected phone app Provides access to a number of functions that support workouts. Daily health and fitness support functions include a 3-axis accelerometer that keeps track of step counts a timer that lets you create up to 20 combinations of five timers each memory for up to 200 lap records and more.