Resin Case Resin Strap Mineral Crystal Green Dial Analog Digital Display Step Tracker Neobrite Shock Resistant Double LED Light Mobile Link (Bluetooth) Dual Time Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Automatic Calendar Luminous Hands AM/PM Display Day And Date Display 12/24 Hours Display Accuracy: ±15 Seconds Per Month Screwed Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 41mm Approximate Case Thickness: 13mm