Features: Resin Case Resin Strap Mineral Crystal Digital Display Shock Resistant LED Backlight Mobile Link Training Function Training Data Life Log Data User Profile Creation Flight Mode World Time 1 Second Stopwatch Countdown Timer Alarms With Snooze Full Auto Calendar 12/24 Hours Display Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 46mm Approximate Case Thickness: 15mm Approximate Lug Weidth : 18mm