Casio G-Shock GA-B2100CY-1A

Turn heads and grab attention with a rugged timepiece boasting a bold, eye-catching black and yellow color scheme.Tough, yet stylish designs feature basic black, accented with touches of the bright yellow used for emergency rescues and safety signs.A cool, versatile look that complements both casual and work styles.Choose from four models: the GWB5600 with Bluetooth® connectivity plus radio control; the GAB2100 with Bluetooth® connectivity and solar charging; the large case GA100; or the GA700 with front button design.

• Case size (L× W× H): 48.5 × 45.4 × 11.9 mm
• Weight: 52 g
• Case and 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 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
• Glass: Mineral Glass
• Compatible band size: 145 to 215 mm
• Other: Neobrite
• 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: ±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