GA-B2100-1A

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.

• Shock resistant
• 20 bar water resistant
• Keeps yourself in time
• Stable solar power
• Easy to operate via smartphone
• Easy to see in darkness
• Carbon / Resin
• Resin Band
• 200-meter water resistance
• Shock Resistant
• Carbon Core Guard structure
• Mineral Glass
• Neobrite
• Digital-Analog
• MEN'S
• Bluetooth: Connects to a smartphone and automatically adjusts the time
• Tough Solar (Solar powered)
• Mobile link (Wireless linking using Bluetooth®)
• CASIO WATCHES
• Auto time adjustment
• Easy watch setting
• Approximately 300 world time cities
• Time & place
• Reminder
• Phone finder
• 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
• 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)
• 5 daily alarms
• Hourly time signal
• 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
• Full auto-calendar (to year 2099)
• Button operation tone on/off
• Power Saving (display goes blank to save power when the watch is left in the dark)
• Battery level indicator
• 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