free shipping on orders over $500

phone: 401-946-0930


G-Shock G-Steel Black-on-Black Solar Connected Resin Band Watch | GSTB400BB-1A

No reviews yet Write a Review
  • Free Ground Shipping

  • Free Exchanges

  • Safe Payments

  • Amazing Selection

Revel in eclectic sophistication with the G-Steel fusion of metal and resin components in a popular all-black Casio G-Shock watch. 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 GSTB400 is a cool fashion statement ready for whatever you are.

Case/bezel material: Resin/Stainless steel

Black ion plated case

Black resin band

Mineral Glass


Shock Resistant

Carbon Core Guard structure

200-meter water resistance

Tough Solar (Solar powered)

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)

Mobile link (Wireless linking using Bluetooth®)

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

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

1/100-second stopwatch

Countdown timer

5 daily alarms

Hourly time signal

Battery level indicator

Power Saving (display goes blank to save power when the watch is left in the dark)

Full auto-calendar (to year 2099)

12/24-hour format

Mute feature: Button operation tone on/off

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

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

Case Size: 46.6 × 49.6 × 12.9 mm