Casio G-Shock GST-B400BB-1A Men Watch

Revel in eclectic sophistication with the G-STEEL fusion of metal and resin components in a popular all-black G-SHOCK.

 

Tough construction meets stylish design in a black ion-plated metal bezel set against a base of jet black. With its slim combination module and Carbon Core Guard structure, the black-on-black take of the GST-B400 is a cool fashion statement ready for whatever you are.

 

Case size (L× W× H)

46.6 × 49.6 × 12.9 mm

Weight

80 g

Case and bezel material

Resin / Stainless steel

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

Glass

Mineral Glass

Surface treatment

Black ion plated case

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

Accuracy: ±15 seconds per month (with no mobile link function)

Other features

12/24-hour format

Date/month display swapping

Day display (days of the week selectable in six languages)

Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)

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