Specifications:Case / bezel material: ResinResin BandResin GlassThis watch is pressure rated at 50 metres or 5bar.LED backlightLED Backlight explained: Press the button and it isn't just the watch's digital display that lights up - the whole of the face is illuminated.Afterglow Explained: Afterglow only means the light stays on for a few seconds, after you let the light button go.1/100-second stopwatchMeasuring capacity: 59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesDaily alarmHourly time signalAuto-calendar (set at 28 days for February)12/24-hour formatRegular timekeeping: Hour, minute, second, pm, date, dayAccuracy:±30 seconds per monthApprox. battery life: 7 years on CR2016Size of case / Total weightSize of case : 43.1×41.2×10.5mmTotal weight : 32gWarranty: 2 Year International Manufacturer's Warranty