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Case width 49.60 mm
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GST-B400D-1AER Casio G-Shock G-Steel Bluetooth Solar gents watch

Customers' rating: 5
€449.00 €389.00 now cheaper by €60.00 Lowest price since 30 days before discounting: €449.00
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More Information G-SHOCK GST-B400D-1AER

Model GST-B400D-1AER
Manufacturer G-SHOCK
Warranty 3 years , extend for a further 3 years
Crystal Mineral
Case Width 49.60 mm
Case Thickness 12.90 mm
Water Resistancy 200 metres
Movement Solar
Case material Stainless steel
Case shape Round
Dial color Black
Strap Material Stainless Steel
Strap Color Silver
Gender Gents
EAN Code 4549526303630
Product type watch

Details G-SHOCK GST-B400D-1AER

The Casio G-SHOCK G-Steel Bluetooth Solar GST-B400D-1AER is an accessory designed for men who value durability and practicality. Both the envelope, made of a combination of plastic and stainless steel, and the steel bracelet are silver in color. Protection of the dark dial is provided by mineral glass. Among the numerous functions of the device we can include Bluetooth® connectivity, stopwatch - 1/100th of a second, timer, 5 daily alarms, Smartphone Link options, world time: more than 300 cities, automatic time adjustment, watch setting, "find my phone", day of the week and month display, full automatic calendar, 12/24-hour format, on/off button action sound, battery level indicator, dual LED light (Super Illuminator and glow: 1,5 or 3 seconds). The model sets in motion a state-of-the-art solar mechanism, which is resistant to swimming and diving without an aqualung thanks to a water resistance of 200 meters. The warranty covering the product is 3 years, and can be extended for a second one via the manufacturer's website.

Functions

Bluetooth® Smart

The watch is equipped with energy-saving Bluetooth® technology, which offers power-saving data transfer at the push of a button. The watch can connect to a smartphone wirelessly via Bluetooth®, enabling access to a wide range of useful functions.

Super-Illuminator

At the touch of a button, the display can be brightly illuminated in a fashionable color

Shock-resistant

Shock-resistant construction protects against impact and vibration.

Solar Power

A solar cell provides power for operation.

Neo-display

A luminous coating provides long-term illumination in the dark after only a short exposure to light.

World time function

Displays the current time in major cities and specific areas around the world.

What’s in the box?

  • 3-year warranty
  • User manual
  • Warranty card
  • Casio box

Reviews about G-SHOCK G-Steel Bluetooth Solar GST-B400D-1AER (5)

Customers' rating: 5
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  1. 3/1/26
    100%
    I’ve always wanted a sturdy watch, and I finally decided on this G-SHOCK model. It’s a great choice for everyday use. The watch looks very modern and makes a good impression. It’s comfortable to wear and durable. I like a sporty style, so this watch suits me perfectly. It works well in every situation and never lets me down. It was a really good decision—I don’t regret my choice.
    Kuba_007
    This review is helpful for you.
  2. 2/7/26
    100%
    Very professional service.
    Paweł - Paul
    This review is helpful for you.
  3. 12/30/25
    100%
    I bought this watch as a spontaneous gift for my boyfriend. I was immediately drawn to its sporty and modern design. It looks great on his wrist, and he’s really proud of it. This model is the perfect choice for anyone who likes stylish and durable accessories. The purchase went smoothly, and the customer service was great—I received a quick email response to all my questions. I recommend this store and this watch to any girl who wants to surprise her boyfriend. You definitely won’t be disappointed. The watch looks durable, and I hope it will last him a long time. Overall, I’m very happy with this decision. It was a really good gift idea.
    Martula3
    This review is helpful for you.