Casio G-Shock Matte Black Fluorescent (Bluetooth) Solar Men's Watch | GA-B2100MF-1A

Step into the bold fusion of style and innovation with the Casio G-Shock GA-B2100MF-1A, a modern timepiece where matte black meets fluorescent energy. Designed for the fearless trendsetter, this model features a sleek carbon-reinforced case paired with vibrant blue, pink, and yellow accents that light up the dial — creating a striking visual inspired by futuristic, digital aesthetics. Equipped with Tough Solar technology, it draws power from any light source, ensuring reliable performance without the need for battery changes. The Carbon Core Guard structure enhances durability while keeping the watch lightweight at just 52 grams. Its analog-digital display, double LED light, and Bluetooth connectivity bring modern convenience to the iconic toughness G-Shock is known for. With 200 meters of water resistance and complete shock resistance, the GA-B2100MF-1A Men's Watch is built for adventure — from urban streets to outdoor extremes. The resin strap ensures lasting comfort and flexibility, while the octagonal bezel pays tribute to the legendary 2100 Series design. Vibrant, resilient, and technologically advanced — the G-Shock GA-B2100MF-1A redefines toughness with a burst of color and modern style. Available at Watch Zone BD.UPC: 4549526375910

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
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