Case size (L× W× H)51 × 48.5 × 12.5 mmWeight101 gCase and bezel materialCase / bezel material: Stainless steelBandResin BandWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 2 years on CR2016Smartphone Link featureMobile link (Wireless linking using Bluetooth)AppsEDIFICE ConnectedGlassMineral GlassWorld timeWorld time 38 time zones (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swappingStopwatch1/1000-second stopwatch Measuring 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 timeTimerCountdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)Alarm/hourly time signal5 daily alarmsHourly time signalLightDouble LED light LED 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)Light colorLED: WhiteCalendarFull auto-calendar (to year 2099)Mute featureButton operation tone on/offAccuracyAccuracy: ±15 seconds per month (with no mobile link function)Other features12/24-hour formatDate/month display swappingDay display (days of the week selectable in six languages)Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)Flight modeSchedule beeper on/offRegular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (linked to each mode) Digital: Hour, minute, second, pm, month, date, dayID: 50011750