Specifications Size of case : 43.8×38.2×12.3mm Case / bezel material: Resin Resin Band Resin Glass / Spherical Glass 100-meter water resistance LED lightSelectable illumination duration (1.5 seconds or 3 seconds), afterglow Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display rangeStep Count History Display: Daily data (8 days)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 graphStep indicatorPower Saving: Auto sensor sleep state entry after fixed period of non-activity Dual time (Home time swapping) 1/100-second stopwatchMeasuring 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/split times, 1st-2nd place timesMemory capacity: Up to 200 records (measurement start month, date, hour, minute, lap/split times) Countdown timerMeasuring unit: 1 secondCountdown range: 60 minutesCountdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, year, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 2 years on CR1620
