Casio G-Shock GST-B400D-1A Tough Solar Bluetooth Men's Watch

The Casio G-Shock  GST-B400D-1A Tough Solar Bluetooth Men's Watch combines sleek design with cutting-edge functionality. Featuring an ultra-thin 12.9mm profile, it boasts a carbon core guard structure that absorbs shocks while maintaining lightweight durability. This G-STEEL model retains Bluetooth connectivity and solar power capabilities despite its slimmer components. The case measures 46.6 × 49.6 mm and is made from a combination of resin and stainless steel, with a solid stainless steel band and one-touch 3-fold clasp. It offers exceptional metal textures thanks to multiple bezel finishes and comes in four stylish designs, including dramatic red or bold blue vapor deposition dials. Weighing 160g, the watch is shock-resistant, water-resistant up to 200 meters, and powered by Casio's Tough Solar technology, ensuring efficient performance and longevity. Shop Now from Watch Zone

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