Mineral Glass100-meter water resistanceCase / bezel material: Stainless steelOne-touch 3-fold ClaspStainless Steel BandDouble LED lightLED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)Mobile link (Automatic connection, wireless linking using Bluetooth®)Flight modeWorld time38 time zones (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping1/1000-second stopwatchMeasuring capacity:00'00''000~59'59''999 (for the first 60 minutes)1:00'00''0~23:59'59''9 (after 60 minutes)Measuring unit:1/1000 second (for the first 60 minutes)1/10 second (after 60 minutes)Measuring modes: Elapsed time, lap timeCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)5 daily alarmsHourly time signalHand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)Full auto-calendar (to year 2099)12/24-hour formatSchedule beeper on/offButton operation tone on/offDate/month display swappingDay display (days of the week selectable in six languages)Regular timekeepingAnalog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (linked to each mode)Digital: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per month (with no mobile link function)Approx. battery life: 2 years on CR2016Size of case : 51 X 48.5 X 12.5 mmTotal weight : 167 g