Band Bio-based resin band Case and bezel material Resin / Bio-based resin Case size (L× W× H) 46.4 × 43.8 × 12 mm Construction Shock Resistant Power supply and battery life Approx. battery life: 2 years on CR2016 Sensor feature Step Count Measurement:Step count display range : 0 to 999,999 steps Step goal progress display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)Step count graph(Hourly step count for the past 7 hours on a 6-level graph)Step indicator Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time Water resistance 200-metre water resistance Weight 41 g Accuracy Accuracy: ±15 seconds per month (with no mobile link function) Alarm/hourly time signal 5 daily alarmsHourly time signal Battery display alert Low battery alert Calendar Full auto-calendar (to year 2099) Energy saving feature Power Saving on/off Light LED backlight (Super Illuminator)Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Mute feature Button operation tone on/off Other features 12/24-hour formatRegular timekeeping:Hour, minute, second, pm, year, month, date, dayRegular timekeeping:Hour, minute, second, pm, year, month, date, day Stopwatch 1/100-second stopwatch Measuring capacity:00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap time, split timeRecorded data: Up to 200 records (measurement start year, month, date, hour, minute, lap/split times)1/100-second stopwatch Measuring capacity:00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap time, split timeRecorded data: Up to 200 records (measurement start year, month, date, hour, minute, lap/split times) Timer Countdown timerTimer for interval measurement (up to five time settings)Measuring unit: 1 secondInput range: 00'00" to 60'00" (1-second increments and 1-minute increments)Others: Auto-repeat (number of repeats settable from 1 to 20), auto start World time Dual time (home time swapping)