Casio GA-B2100-1A1 Casio G-Shock Men's Analog-Digital Watch

-48.5 × 45.4 × 11.9 mm
-52 g
-Case / bezel material: Carbon / Resin　
-Resin Band
-Shock Resistant
-Carbon Core Guard structure
-200-meter water resistance
-Power supply and battery life
-Tough Solar (Solar powered)
-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
-Time & place
-Reminder
-Phone finder
-Mineral Glass
-Neobrite
-World time
-38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city 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/split time
-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
-Double LED light
-LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
-LED backlight for the digital display (Super illuminator, 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 (display goes blank to save power when the watch is left in the dark)
-Battery display/alert
-Battery level indicator
-Run time
-Approx. battery operating time:
-7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
-18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
-Accuracy: ±15 seconds per month (with no mobile link function)
-Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
-12/24-hour format
-Date/month display swapping
-Day display (days of the week selectable in six languages)
-Regular timekeeping:
-Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)
-Digital: Hour, minute, second, pm, month, date, day