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  2. G-Shock
  3. G-Shock G-Steel GST-B400-1AER Watch

G-Shock G-Steel GST-B400-1AER Watch

  • G-Shock G-Steel GST-B400-1AER Watch

Stainless steel Bluetooth connected gents watch

$371.-
The price includes import duties
● In stock
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  • Worldwide delivery
  • The watch specialist for over 30 years
  • Official dealer of G-Shock
Weekend orders ship on monday!

Product description

This watch boasts the G-STEEL line’s trademark exterior construction, which combines the strength of carbon with the quality of metal, but now in the slimmest profile ever. The design offers enhanced texture in the dial and the convenience of smartphone connectivity, accelerating the advance of G-STEEL as a multifunction analogue watch.

Specifications

Alternative article number GST-B400-1A
Ean 4549526303593
Diameter 50 mm
Water Resistance 20 Bar (Dive)
Warranty 2 Year Warranty
Free 1 year extra warranty on Mastersintime.com

Functions

Time hours - Analogue hand - Digital
Calendar Date - Digital
Chronograph and timers Stopwatch /Chronograph - 1/1 seconds, 24 hours - 1/100 seconds 1 hour - Elapsed time - Split times - Lap times
Alarms and notifications Hourly Time Signal
General information
Ean 4549526303593
Brand G-Shock
Category G-Steel
Name G-Steel
Year 2021 Spring / Summer
Display Type Analog - Digital
Swiss Made No
Water Resistance 20 Bar (Dive)
Dial color Black
Hand colors (h-m-s) White, White
Case information
Case code GST-B400
Diameter 50 mm
Case Thickness 13 mm
Case material Stainless steel
Case Shape Round
Case color Silver
Back case material Stainless steel
Back Case Closed with screws
Material crystal Mineral
Crown Pull crown
Movement information
Movement part nr 5657 ( See specifications )
Download manual (English)
Movement Brand Casio
Swiss movement No
Display Type Analog - Digital
Mechanism Solar Quartz
Battery CTL920
Hackable No
Skeletonized No
Strap information
Band material Resin
Extra info (free text) Stainless Steel Bracelet
Strap width 28 mm
Lug width 14 mm
Band width at clasp 20 mm
Band color Black
Clasp Type Buckle
Clasp color Silver
Band sizing by HWG? Yes
Mount type Pushpins
Straight strap mount No
Suitable for wrist size 160 mm - 230 mm
Original strap Strap G-Shock 10628581

Print & Fit

Wondering how the watch fits your wrist? Use the print and fit function!

Time
hours Analogue hand, Digital
minutes Analogue hand, Digital
Seconds Digital
Time Zones Home city setting, World time
24-HR Indicator AM/PM indicator, Digital choice 12- or 24-hr notation
Automatic time adjustment Automatic time adjustment on/off, Smartphone sync
DST-setting Automatic, Manually
Calendar
Date Digital
Day Digital
Month Digital
Auto Calendar Digital, Change day/month order
Chronograph and timers
Stopwatch /Chronograph 1/1 seconds, 24 hours, 1/100 seconds 1 hour, Elapsed time, Split times, Lap times
Timer(s) Countdown Timer 1/1 seconds - 60 minutes
Alarms and notifications
Hourly Time Signal
Sound Alarm(s) 5 daily alarms
Calendar Reminder Via smartphone link
Battery alert Battery level indicator
Lighting
LED lighting Casio Super Illuminator, Double illuminator: Front- and backlight
Other
Multi-language
Button sounds on/off
Manual hand adjustment for analog-digital watch
Hand alignment correction Via smartphone link
Find my phone
Power save mode
Hardware
Shock Resistant
Connectivity
Bluetooth

User experiences

  1. "Schock proof, bluetooth, tough solar, 20 bar"
    "Schock proof, bluetooth, tough solar, 20 bar"
    Marcel · 2 de agosto de 2025

    Excellent product! I did not want a smartwatch, but this one is quite advanced. Battery is charged by solar cell, time is automatically synchronized after pairing with phone via bluetooth and if you click the button on your watch (search) your phone starts making sound.

    • Many options
    • Solid
    • Beautiful appearance
    • -

    Uitstekend product ! ik wilde nml geen smartwatch, maar deze is best geavanceerd. Batterij wordt opgeladen door zonnecel, tijd wordt na koppelen met telefoon via bluetooth automatisch gesynchroniseerd en als je op het knopje op je horloge klikt (search) gaat je telefoon geluid maken.

    • Veel opties
    • Degelijk
    • Mooie uitstraling
    • -
G-Shock G-Steel GST-B400-1AER Watch