Features: Bio-Based Resin Case Bio-Based Resin Strap Tough Solar Movement Mineral Crystal Black Dial Analog Digital Display Shock Resistant Bluetooth Mobile Link Auto Time Adjustment Time And Place Reminder Phone Finder Neobrite World Time 1/100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Double LED Light Power Saving Regular Timekeeping Full Auto Calendar 12/24 Hours Display Luminous Hands Month, Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Size (L × W × H): 44 × 37 × 9.6 mm Approximate Case Diameter: 37.00 mm Approximate Case Thickness: 9.60 mm