Introducing the g-shock gbd800 digital watch from casio. While linked with the g-shock connected phone app, you can configure settings for a step count log with five exercise intensity levels, calorie calculations, and step targets. Other features include app-based auto time setting correction and other features for more efficient timekeeping, and an auto double led light to facilitate workouts in areas where lighting is dim. A mid-size design that's optimal for running and training, bluetooth®, phone app linking and much more makes the gbd800 the perfect choice for everyday wear and fitness training. The bold watch secures with a buckle clasp.