DESIGN Mid-size design good for running and training Double LED Super Illuminator display 10-meter shock resistant 200-meter water resistant 12 or 24 hour clock formats 2-year battery life TECHNOLOGY Bluetooth phone linking with G-SHOCK Connected app 5-level step log count and step targets (5) daily alarms and countdown timer 1/100 second stopwatch 200 lap/split memory Full auto-calendar Additional Details Style: GBA-800UC-2A