The world-popular Big Case Series continues to grow with the addition of new models created by combining and layering parts in a way that creates a multi-dimensional look. A big rotary switch at 3 o’clock adds to the overall design and also enables intuitive operation of various functions. A choice of colors includes basic as well as tri-color combinations for the case, band, hour markers and dial. An LED illumination system allows easy viewing even in the dark.Dial Color: RedDial Window Material: MineralDisplay Type: Analog-DigitalCase Material: ResinCase Dimension: 55x51.9x18.3 mmBand Material: ResinClasp Type: BuckleMovement: Japanese quartzWater Resistant: 200 MShock ResistantLED lightAuto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowWorld time31 time zones (48 cities coordinated universal time), one-touch UTC time zone, daylight saving on/off, Home city/World time city swapping1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split timeCountdown timerMeasuring unit: 1 secondCountdown range: 60 minutesCountdown start time setting range: 1 minute to 60 minutes (1-minute increments)Other: Auto switching to elapsed time measurement (up to 60 minutes, 1-second units) when the end of a countdown timer operation is reached5 daily alarms (with 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeepingAnalog: 2 hands (hour, minute (hand moves every 20 seconds))Digital: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery life: 3 years on SR927W × 2Total weight: 70 gLED: Amber