Case / bezel material: Resin Resin Baneobrite Shock Resistant Mineral Glass 200-meter water resistance Double LED light LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED back light for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) Dual time (Home city time swapping) 1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 6Xminutes) 1:00'00~23:59'59 (after 6Xminutes) Measuring unit: 1/100 second (for the first 6Xminutes) 1 second (after 6Xminutes) Memory capacity: Up to 120 records (used by lap time records) Recorded data: Up to 120 records (lnumbers, lap time, measurement start month, day, time, date) Direct timing start from the timekeeping mode Countdown timer Measuring unit: 1 second Countdown range: 100 minutes Countdown start time setting range: 1 second to 100 minutes (1-second increments, 1-minute increments) 5 daily alarms Hourly time signal Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Full auto-calendar (to year 2099) 12X4-hour format Button operation tone on/off Regular timekeeping Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, pm, month, date, day Accuracy: 15 seconds per month Approx. battery life: 3 years on CR2016Xize of case :X4.1X48XX15.5mm Total weight : 53g