Casio G-Shock GST-B100GB-1A9 Tough Solar Bluetooth Men's Watch

The Casio G-Shock GST-B100GB-1A9 Tough Solar Bluetooth Men's Watch is a bold fusion of resilience and luxury, part of the distinguished G-STEEL series. This model showcases a striking black and gold color scheme, with a stainless steel bezel ion-plated in gold, set atop a rugged black resin case. Combining metal and resin materials, the watch balances toughness with sophisticated style, perfect for both urban wear and active lifestyles. Equipped with Bluetooth connectivity, it syncs automatically with your smartphone for precise timekeeping and easy access to world time and other functions via the CASIO WATCHES app. Powered by Casio’s Tough Solar technology, it converts light into energy for continuous operation—eliminating the need for battery changes. The watch features shock resistance and 200-meter water resistance, making it durable enough for harsh conditions. A double-layer dial with analog display, luminous hands, and sub-dials adds to its premium look and functionality. Weighing 101g, the GST-B100GB-1A9 provides a substantial yet comfortable wrist presence. Backed by a 2-year warranty, this timepiece is ideal for those seeking a powerful combination of cutting-edge tech, robust construction, and refined style in one statement watch. Shop Now from Watch Zone  | UPC: 4549526326868

Smartphone Link feature

Watch Features:

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