Case / Bezel Material: Resin Resin Band Mineral Crystal Shock Resistant LED Light (Super Illuminator) World Time 31 Time Zones (48 Cities + UTC) 1/100-Second Stopwatch Stopwatch With Target Time Alarm Countdown Timer 5 Daily Alarms (With 1 Snooze Alarm) Hourly Time Signal Hand Shift Feature Full Auto-Calendar (To Year 2099) 12/24-Hour Format Button Operation Tone On/Off Regular Timekeeping Analog Digital Display Accuracy: ±15 Seconds Per Month Day Display Buckle Clasp 200M Water Resistance Approximate Case Diameter: 57.5mm × 53.4mm Approximate Case Thickness: 18.4mm