Casio G-Shock Tough Solar Bluetooth Purple Dial Men's Watch | GBM-2100A-4B

The Casio G-shock GBM-2100A-4B Men's Watch combines futuristic style with rugged performance, delivering a sleek and sophisticated design in a compact, octagonal 44.4mm case. Featuring a bold stainless-steel bezel and a vibrant purple analog-digital dial, this timepiece stands out while remaining versatile enough for both casual and professional settings. Built with environmentally responsible bio-based resin components, the lightweight case and black resin strap offer comfort without compromising durability. The watch is powered by Tough Solar technology and paired with Bluetooth® Smartphone Link, allowing automatic time adjustment, phone finder, and effortless access to settings via your smartphone. Scratch-resistant mineral glass, Double LED illumination, 200-meter water resistance, and shock-resistant construction ensure that this G-SHOCK performs reliably in any environment. With its blend of bold design, sustainable materials, and advanced functionality, the GBM-2100A-4B is perfect for those who want a stylish, high-performance watch that keeps pace with modern life. Available at Watch Zone. UPC: 4549526407727

Smartphone Link/App Connectivity Features
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), 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
Operation Guide (Opens in a new tab)