G Shock Black Octagonal Analog-Digit (2100 Series) Watch - GA-B2100-1A

Mens Watch

Upgrade the retro look you love with the octagonal GA-2100 line, which inherits the design concept of the very first G-SHOCK, but now with Smartphone Link and Tough Solar power.

Video: https://www.youtube.com/watch?v=4_4ftrXpXBE

Basic Information 

Case size (L× W× H): 48.5 × 45.4 × 11.9 mm

Weight: 52 g

Case and bezel material: Case / bezel material: Carbon / Resin　

Band: Resin Band

Construction: Shock Resistant, Carbon Core Guard structure

Water resistance: 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

Exterior

Glass: Mineral Glass

Other: Neobrite

Watch Features

World time: 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

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: 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 colour: 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: Accuracy: ±15 seconds per month (with no mobile link function)

Other features: 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