Casio G Shock GBA800 1A Bluetooth Smartphone Link Step Tracker Mens Watch brand@Seiko Embrace precision and durability with Embrace precision and durability with the G Shock GA100 1A4 it exudes elegance 000 step increments) Step Count Graph: Hourly step count for the past 11 hours on a 6 level graph Step indicator Power Saving: Auto sensor sleep state entry after fixed period of non activity • Dual time (Home time swapping) • 1 100 second stopwatch • Countdown timer • 5 daily alarms • Hourly time signal • Full auto calendar (to year 2099) • 12 24 hour format • Accuracy: ±15 seconds per month (with no mobile link function) • Shock Resistant • Mineral Glass • 200 meter water resistance • Case bezel material: Resin • Mobile link (Wireless linking using Bluetooth®) • Step count using a 3 axis acceleration sensor: 0 to 999