Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch
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Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch

Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch

Product Highlights
Since its launch in 1983, the G-SHOCK tough watch has continued to evolve in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, features an all-black design. With a black base and a black IP metal bezel, it exudes a chic and versatile fashion appeal. The base model incorporates the slim module and carbon core guard structure of the GST-B400. Balancing toughness and design, this all-black G-STEEL series watch offers a cool and versatile style for various occasions.
Product Overview
Since its launch in 1983, the G-SHOCK tough watch has been evolving in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, now comes in an all-black version.
Gender Men's
Dial Digital & Analog
Movement Tough Solar *Solar Charging System
Case Shape Round
Case Size 49.6mm
Case Material Resin *Stainless Steel
Crystal Material Inorganic Glass
Band Type Resin
Band Color Black
Water Resistance 20 ATM Water Resistant
Other Features
  • Dial Color: Black
  • Weight: 80g
  • Calendar Function: Full Auto Calendar
  • Band: Resin Band
  • Length: 145-215mm/28.2mm
  • Shock-Resistant Structure
  • Tough Solar (Solar Charging System)
  • 20 ATM Water Resistance
  • Mobile Link Function (Function synchronization via Bluetooth(R) communication with compatible mobile phones)
  • Hand Shift Feature (Allows temporary hand movement over the LCD display when visibility is obstructed)
  • World Time: Display of time in 38 cities (38 time zones, with automatic daylight saving time adjustment) + UTC (Coordinated Universal Time), with city swapping function for home time
  • Stopwatch (1/100 second (under 1 hour)/1 second (over 1 hour), 24-hour clock, with lap/split function)
  • Timer (Set unit: 1 second, maximum set: 60 minutes, measurement in 1-second increments)
  • 5 Daily Alarms & Hourly Time Signal
  • Battery Level Indicator Display
  • Power Saving Function (Automatically turns off display in dark conditions to conserve energy)
  • Full Auto Calendar
  • Switch between 12/24-hour time display
  • Operation Sound ON/OFF Switch
  • Date Display (Switch between month/day display)
  • Day Display (Switch between 6 languages: English, Spanish, French, German, Italian, Russian)
  • Dual LED Light: LED light for dial (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds)), LED backlight for LCD section (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds))
Release Date 2023/05/13
Retail Price ￥ 62,700.00 JPY
$114.72

Original: $327.77

-65%
Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch—

$327.77

$114.72

More Images

Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch - Image 2
Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch - Image 3

Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch

Product Highlights
Since its launch in 1983, the G-SHOCK tough watch has continued to evolve in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, features an all-black design. With a black base and a black IP metal bezel, it exudes a chic and versatile fashion appeal. The base model incorporates the slim module and carbon core guard structure of the GST-B400. Balancing toughness and design, this all-black G-STEEL series watch offers a cool and versatile style for various occasions.
Product Overview
Since its launch in 1983, the G-SHOCK tough watch has been evolving in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, now comes in an all-black version.
Gender Men's
Dial Digital & Analog
Movement Tough Solar *Solar Charging System
Case Shape Round
Case Size 49.6mm
Case Material Resin *Stainless Steel
Crystal Material Inorganic Glass
Band Type Resin
Band Color Black
Water Resistance 20 ATM Water Resistant
Other Features
  • Dial Color: Black
  • Weight: 80g
  • Calendar Function: Full Auto Calendar
  • Band: Resin Band
  • Length: 145-215mm/28.2mm
  • Shock-Resistant Structure
  • Tough Solar (Solar Charging System)
  • 20 ATM Water Resistance
  • Mobile Link Function (Function synchronization via Bluetooth(R) communication with compatible mobile phones)
  • Hand Shift Feature (Allows temporary hand movement over the LCD display when visibility is obstructed)
  • World Time: Display of time in 38 cities (38 time zones, with automatic daylight saving time adjustment) + UTC (Coordinated Universal Time), with city swapping function for home time
  • Stopwatch (1/100 second (under 1 hour)/1 second (over 1 hour), 24-hour clock, with lap/split function)
  • Timer (Set unit: 1 second, maximum set: 60 minutes, measurement in 1-second increments)
  • 5 Daily Alarms & Hourly Time Signal
  • Battery Level Indicator Display
  • Power Saving Function (Automatically turns off display in dark conditions to conserve energy)
  • Full Auto Calendar
  • Switch between 12/24-hour time display
  • Operation Sound ON/OFF Switch
  • Date Display (Switch between month/day display)
  • Day Display (Switch between 6 languages: English, Spanish, French, German, Italian, Russian)
  • Dual LED Light: LED light for dial (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds)), LED backlight for LCD section (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds))
Release Date 2023/05/13
Retail Price ￥ 62,700.00 JPY

Product Information

Shipping & Returns

Description

Product Highlights
Since its launch in 1983, the G-SHOCK tough watch has continued to evolve in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, features an all-black design. With a black base and a black IP metal bezel, it exudes a chic and versatile fashion appeal. The base model incorporates the slim module and carbon core guard structure of the GST-B400. Balancing toughness and design, this all-black G-STEEL series watch offers a cool and versatile style for various occasions.
Product Overview
Since its launch in 1983, the G-SHOCK tough watch has been evolving in pursuit of relentless strength. This model, based on the popular G-STEEL series that combines metal and resin, now comes in an all-black version.
Gender Men's
Dial Digital & Analog
Movement Tough Solar *Solar Charging System
Case Shape Round
Case Size 49.6mm
Case Material Resin *Stainless Steel
Crystal Material Inorganic Glass
Band Type Resin
Band Color Black
Water Resistance 20 ATM Water Resistant
Other Features
  • Dial Color: Black
  • Weight: 80g
  • Calendar Function: Full Auto Calendar
  • Band: Resin Band
  • Length: 145-215mm/28.2mm
  • Shock-Resistant Structure
  • Tough Solar (Solar Charging System)
  • 20 ATM Water Resistance
  • Mobile Link Function (Function synchronization via Bluetooth(R) communication with compatible mobile phones)
  • Hand Shift Feature (Allows temporary hand movement over the LCD display when visibility is obstructed)
  • World Time: Display of time in 38 cities (38 time zones, with automatic daylight saving time adjustment) + UTC (Coordinated Universal Time), with city swapping function for home time
  • Stopwatch (1/100 second (under 1 hour)/1 second (over 1 hour), 24-hour clock, with lap/split function)
  • Timer (Set unit: 1 second, maximum set: 60 minutes, measurement in 1-second increments)
  • 5 Daily Alarms & Hourly Time Signal
  • Battery Level Indicator Display
  • Power Saving Function (Automatically turns off display in dark conditions to conserve energy)
  • Full Auto Calendar
  • Switch between 12/24-hour time display
  • Operation Sound ON/OFF Switch
  • Date Display (Switch between month/day display)
  • Day Display (Switch between 6 languages: English, Spanish, French, German, Italian, Russian)
  • Dual LED Light: LED light for dial (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds)), LED backlight for LCD section (Super Illuminator, with afterglow function, afterglow time switch (1.5 seconds/3 seconds))
Release Date 2023/05/13
Retail Price ￥ 62,700.00 JPY
Casio Men's G-SHOCK G-steel GST-B400BB-1AJF Watch | IPPO WATCH