G-Shock G-STEEL * GSTB400BD-1A2 Carbon Core Slim Black Steel Mobile Link Watch

NATIONWIDE COD, Free Ship, Meet Up, PayPal Accepted


  • Brand New with Tag
  • 100% Authentic
  • Comes with its Original Retail Packaging

Product Specifications


Layer on the toughness with this G-Shock G-STEEL watch. Built with the G-Shock carbon core guard structure, this watch offers topnotch strength and shock resistance, The G-Shock G-STEEL GSTB400 is the thinnest G-STEEL yet, giving it a robust yet lightweight construction. Anadigi dial and classic stainless steel bracelet make it suitable for office and casual settings. It is equipped with tough solar power, mobile link capability, double LED, world time, stopwatch, timers and alarms. 


  • Watch case measurement: 46.6 x 49.6 x 12.9mm
  • Weighs 160g
  • Tough solar powered
  • 200m water resistance
  • Carbon Core Guard structure
  • Double LED light (full auto LED light for the face and LED backlight for the digital display) with afterglow and selectable illumination duration
  • Neobrite 
  • Mobile link (wireless linking using Bluetooth)
  • works with the G-Shock Connected app
  • Hand shift feature
  • 5 daily alarms
  • Hourly time signal
  • World time with 38 timezones, 38 cities + UTC, city code display, daylight savings on/off - may be updated when connected to the app on your smartphone
  • 1/100 second stopwatch with measuring capacity of 00’00”00 - 59’59”99 (for the first 60 minutes) and 1:00’00”0 - 23:59’59 after 60 minutes 
  • Measuring modes - elapsed time, split time, 
  • Countdown timer with a 1 second measuring unit and a range of 60 minutes
  • Countdown start time setting range of 1 second to 60 minutes at 1 second and 1 minute increments
  • Full auto calendar pre-programmed until the year 2099
  • 12/24 hour formats
  • Button tone operation on/off
  • Accuracy of +/- 15 seconds per month
  • Solar rechargeable battery with power saving function
  • Battery level indicator
  • Approx battery life is 7 months on full charge, normal use, without further exposure to light and 18 months when stored in total darkness after a full charge and on power saving mode
  • Module 5657

Payment & Shipping

This item qualifies for free shipping anywhere in the Philippines.

Please send us a message to let us know which payment method you will be using. We accept the following: Cash on Delivery, PayPal, and Bank Transfer.

For PayPal payment, please note that eBay.ph no longer supports direct payments. If you wish to pay using your PayPal account, please send us a message so we can invoice you directly for your order.

Items that are paid before the cut off will be shipped out on the same day. Cut off times are as follows:

Monday to Friday : 1:00pm
Saturday : 11:00am

Expected delivery period to most areas is 1 to 3 working days.

No shipping on Sundays and holidays.

No international shipping.

Warranty Information

Ivan&Sophia guarantees that this watch is brand new, authentic and original. It will come in its original packaging with its accompanying manual and warranty booklet.

Please be advised that Ivan&Sophia is not an official dealer for this watch. This means we are free to price this item as low as we can, without need to follow the retail price that a manufacturer sets. However, this also means that we are unable to offer the manufacturer’s warranty.

In place of this, we are pleased to offer an Ivan&Sophia store warranty of 3 months on the mechanism of this watch against manufacturing defect and 1 month on the battery. Problems arising from normal wear and tear, misuse, abuse or accidents are not covered.

Contact Us

Please contact us if you have any questions about this item and we’ll be happy to attend to your questions.

Hit the "Ask A Question" button at the bottom of this page or "Ask Seller a Question" on the eBay mobile app (found in the "About the Seller" section when you tap "Show More").

To see other items on sale, please click on this link and visit our eBay Store - Ivanandsophia.

Buy with confidence. We are an eBay Powerseller.

Visit our store!Ivanandsophia
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