Features: Case / Bezel Material: Resin / Chrome Plated Stainless Steel Bracelet Resin Crystal Digital Display World Map Display Multi Time (4 Different Cities) World Time 31 Time Zones (48 Cities + UTC) LED Backlight 5 Daily Alarms 1/100-Second Stopwatch Countdown Timer Hourly Time Signal Full Auto-Calendar (To Year 2099) 12/24-Hour Format Button Operation Tone On/Off Regular Timekeeping AM/PM Display Accuracy: ±30 Seconds Per Month Deployment Clasp 30M Water Resistance Approximate Size Of Case: 39 x 34 x 9.6mm