Features: Case / Bezel Material: Resin/Stainless steel Resin Strap Mineral Crystal Analog Digital Display Shock Resistant Mud Resistant Twin Sensor Neobrite LED Backlight (Super Illuminator) Digital Compass Thermometer World Time 31 Time Zones (48 Cities + UTC) 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms (With 1 Snooze Alarm) Hourly Time Signal Low Battery Alert Full Auto-Calendar (To Year 2099) 12/24-Hour Format Button Operation Tone On/Off Regular Timekeeping Accuracy: ±15 Seconds Per Month Luminous Hands And Markers Day Display Solid Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 56.2mm Approximate Case Thickness: 17.3mm