Featuring an LCD printed with touches of electro green, set against a bezel, band, and dial in G-SHOCK black, this is a fearless visual design that impresses and electrifies. Press the light button to illuminate the digital display and ensure an easy read even in the dark.

Bring in a cool, modern look with the sharp, stylish contrast of electro green against timeless black.

Major Features:

• Smartphone Connectivity
• Shock Resistant
• 20 bar water resistant (200-meter water resistance)
• Solar Powered
  

Watch Features:

• 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 | 12/24-hour format
• Timer: Measuring unit: 1/10 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments)
• 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)
• Energy Saving Feature: Power Saving (display goes blank to save power when the watch is left in the dark)
• Run 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)
• 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, split time, 1st-2nd place times
• Alarm/Hourly Time Signal: 5 daily alarms  (with 1 snooze alarm) | Hourly time signal
• Mute Feature: Button operation tone on/off 
• Accuracy: ±15 seconds per month
• Other Features: Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) | Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date

Smartphone Link | App Connectivity Features:

• Smartphone Link Feature: Mobile link (Wireless linking using Bluetooth®)
• App: CASIO WATCHES
• App Connectivity Feature: Auto time adjustment | Easy watch setting | Approximately 300 world time cities | Time & place | Reminder Phone finder 

Specs:

• Case Size: 48.5 mm x 45.4 mm x 11.8 mm
• Compatible Band Size: 145 to 215 mm
• Weight: 52g
• Water Resistance: 200-meter
• Case and Bezel Material: Carbon / Bio-based Resin
• Band Material: Bio-based Resin
• Glass: Mineral Glass
• Construction: Shock Resistant | Carbon Core Guard structure
• Time Adjustment: Bluetooth | Connects to a smartphone and automatically adjusts the time
• Power Supply & Battery Life: Tough Solar (Solar powered)

What's included:

• One G-SHOCK - GA-B2100BEG-1A Watch
• One Instruction Manual