Resin Glass50-meter water resistanceCase / bezel material: ResinResin BandLED backlightAfterglowDual time1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesDaily alarmHourly time signalAuto-calendar (to year 2099)12/24-hour formatRegular timekeeping: Hour, minutes, seconds, pm, month, date, dayAccuracy: ’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸¶ô¶¦¶ôÇû¶ô¶¦¶ôÇñ20 seconds per monthApprox. battery life: 10 years on CR2016Size of case:?46.5?’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç???40.9?’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç???11.8?mmTotal weight: 33 gLED:Amber