Mineral Glass Magnetic Resistant Shock Resistant 200-meter Water Resistance Case / Bezel Material: Resin Resin Band LED Light Auto Light Switch, Selectable Illumination Duration (1.5 Seconds Or 3 Seconds), Afterglow World Time 31 Time Zones (48 Cities + Coordinated Universal Time), One-touch UTC Time Zone, Daylight Saving On/off, Home City/World Time City Swapping 1/100-second Stopwatch Measuring Capacity: 23:59'59.99'' Measuring Modes: Elapsed Time, Split Time Countdown Timer Measuring Unit: 1 Second Countdown Range: 60 Minutes Countdown Start Time Setting Range: 1 Minute To 60 Minutes (1-minute Increments) Other: Auto Switching To Elapsed Time Measurement (up To 60 Minutes, 1-second Units) When The End Of A Countdown Timer Operation Is Reached 5 Daily Alarms (with 1 Snooze Alarm) Hourly Time Signal Full Auto-calendar (to Year 2099) 12/24-hour Format Button Operation Tone On/off Regular Timekeeping Analog: 2 Hands (hour, Minute (hand Moves Every 20 Seconds)) Digital: Hour, Minute, Second, Pm, Month, Date, Day Accuracy: 15 Seconds Per Month Approx. Battery Life: 3 Years On SR927W 2 Size Of Case:?55? ?51.9? ?18.3?mm Total Weight: 70 G LED:Amber