Black Digital Watch - G-SHOCK with Bluetooth® & Step Counter Classic black matte finish weaves modern style with an innovative shock-resistant design to promote an active lifestyle. Comfort and sporty sophistication: that’s the small black digital G-SHOCK GDB500-1 watch. Promoting both health and fashion, the GDB500-1 stands out among black digital watches with its Bluetooth® connectivity, pedometer, Dual Time display, and G-SHOCK shock and water resistance.An oblong rectangular bezel maximizes the viewing area of the display while retaining a slim case and weight. Designed for those who want a small digital watch, the thin case and shortened band provide a comfortable fit, crafting a timepiece you can wear all day and night. Whether at work, on a trek outdoors, or exploring our busy world, the black digital G-SHOCK GDB500-1 is robust and reliable without being cumbersome.A redesign of the connection between the band and bezel yields an innovation in shock resistance and durability with a connector element that receives black textured detail on the GDB500-1. 200m water resistance (wr 20 bar) rounds out the peace of mind you receive when you buy a G-SHOCK watch.What’s better than a watch with a step counter? A G-SHOCK watch with a step counter! The industry famous shock and water resistance protects a pedometer that not only counts your steps, but because of Bluetooth® connectivity, allows you to graph your fitness progress on your smartphone. Bluetooth® connectivity also ensures accurate timekeeping with automatic updating for the GDB500-1 small black digital watch. Case size (L× W× H) 46.3 × 41.5 × 11 mm Weight 45 g Case and bezel material Resin Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time 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 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) Step indicator Smartphone Link/App Connectivity Features Smartphone Link feature Mobile link (Wireless linking using Bluetooth®) Apps CASIO WATCHES App connectivity feature Auto time adjustment Easy watch setting Approximately 300 world time cities Life log data Stopwatch data transfer App information Time & place Phone finder Watch Features World time Dual time (home time swapping) 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 time Recorded data: Up to 200 records (measurement start year, month, date, hour, minute, lap/split times) Timer Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments) Alarm/hourly time signal 5 daily alarms Hourly time signal Light LED backlight (Super Illuminator) Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Energy saving feature Power Saving on/off Battery display/alert Low battery alert Accuracy Accuracy: ±15 seconds per month (with no mobile link function) Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, year, month, date, day