Vintage fashion meets modern functionality, delivering retro styling with up-to-date features. A classic design with a look-back vibe, the simple case complements the multi-row metal bracelet band with lay-flat construction to ensure a comfortable fit. But don't let the vintage look fool you. The watch comes packed with super-useful technology to support your health-conscious lifestyle. The built-in sensor detects body movements and automatically counts steps. Easily check the number of steps you took that day on the LCD screen. Smartphone pairing via Bluetooth© delivers automatic time correction and makes it easy to configure various watch functions from the app. Transfer step counts and other data tracked on the watch and view them on your phone. Use the life log data to manage your health each day. Case / bezel material: Resin / Chrome plated Stainless Steel Band Adjustable Clasp Resin Glass Water Resistant LED backlight, Selectable illumination duration (1.5 seconds or 3 seconds), afterglowLED:Amber Mobile link (Wireless linking using Bluetooth©) Bluetooth: Connects to a smartphone and automatically adjusts the time Step Count Measurement: Step count display range : 0 to 999,999 stepsStep goal progress display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)Step reminder (Inform you when your step count is too low, by display and beep?Step count graph (Hourly step count for the past 7 hours on a 6-level graph? 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 time, split timeRecorded data: Up to 200 records (measurement start year, 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 Power Saving on/off Low battery alert 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: ±15 seconds per month (with no mobile link function) Approx. battery life: 2 years on CR2016 Size of case : 41.6 x 37.9 x 8.2 mm Total weight : 60 g