Casio G-Shock [GA-B2100BEG-1ADR]

Bold, dynamic, electric — Tap into the energy of a G-SHOCK in striking black and electro green. 
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.

Case size (L×W×H): 48.5 × 45.4 × 11.9 mm
Weight: 52 g
Case and bezel material: Carbon / Bio-based resin
Band: Bio-based resin band
Construction: Shock Resistant， Carbon Core Guard structure
Water resistance: 200-meter water resistance

Power supply and battery life:

• Tough Solar (Solar powered)
  
• 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)

Exterior:

• Glass: Mineral Glass
• Compatible band size: 145 to 205 mm

Watch Features:

• 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
• Timer:
  • Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
  • Auto-repeat
• Alarm/ hourly time signal:
  
  • Hourly time signal
  • 5 daily alarms
    

Smartphone Link feature:

• APP: CASIO WATCHES
  
• Auto time adjustment, Easy watch setting, Approximately 300 world time cities, Time & place, Reminder, Phone finder

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: White

Calendar: Full auto-calendar (to year 2099)
Accuracy: ±15 seconds per month

Other features:

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, month, date