Casio Watch G-SHOCK B2100 Solar Blue

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.

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

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 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:
• 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