Casio G-STEEL Smartphone Link Carbon Core Guard Structure GST-B400-1AJF Men's Black G-STEEL Watch G-STEEL

[Casio] G-STEEL Smartphone Link Carbon Core Guard Structure GST-B400-1AJF Men's Black G-STEEL Watch G-STEEL

Set includes: Main unit, box, instruction manual, and warranty card are included with the instruction manual Waterproof Specifications: 20 ATM water resistant solar World Time GMT/UTC alarms

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Since its release in 1983, the G-SHOCK toughness watch has continued to evolve in search of insatiable strength. G-STEEL's GST-B400 is slim and has an improved design due to its thin module and carbon core guard structure. Further miniaturization of components and thinner modules have been achieved. While reducing thickness, it also maintains the high functionality of Bluetooth Ⓡ and solar power, and power consumption has also been drastically reduced. Additionally, the carbon core guard structure makes it the thinnest in the G-STEEL series (as of March 2021) while maintaining impact resistance. At 12.9 mm from the back to the top of the bezel, we were able to make it more than 1 mm thinner than the GST-B100. In terms of design, by reducing the button guard to the limit, a large stainless steel button that is slim yet easy to press is used. By applying different finishes to the top bezel and middle bezel, you can enjoy the difference in texture, and the finish is particular about the appearance. The lineup includes the GST-B400 with a silver case on the resin band, the GST-B400AD with a black IP bezel on the red evaporated dial, which is the symbol color of G-SHOCK, and the GST-B400BD with a black IP bezel applied to the case and band, and the GST-B400BD with blue vapor deposition on the dial. Due to the module's power saving, the texture has been improved with three-dimensional parts and evaporated dials. The G-STEEL series combines different materials of metal and resin to achieve both toughness and design.

●Impact resistant construction ●Tough Solar (solar charging system) ●20 ATM waterproof function ● Mobile link function (function linkage via Bluetooth communication with compatible mobile phones) ● Needle evacuation function (when the needle overlaps with the LCD display and is difficult to see, the needle can be temporarily evacuated from the top of the LCD display) ● World Time: 38 cities around the world (38 time zones, with automatic daylight saving time setting function) +UTC (Coordinated Universal Time) time display, city switching function for home time ● Stopwatch (1/100 seconds (less than 1 hour) /1 second (1 hour or more), 24 hour meter, with lap/split) ● Timer (set unit: 1 second, maximum set: 60 minutes, measured in 1-second increments) ● 5 time alarms and time report ● Battery indicator display ● Power saving function (saves electricity by turning off the display after a certain period of time in the dark) ●Fully automatic calendar ●12/24 hour display switch ●Operation sound ON/OFF switching function ●Date display (month/day display replaced) ● Day of the week display (switching between 6 languages: English, Spanish, French, German, Italian, and Russian) ●Double LED Light: LED light for the dial (with super illuminator, afterglow function, afterglow time switching (1.5 sec/3 seconds)), LED backlight for LCD (with super illuminator, afterglow function, afterglow time switching (1.5 sec/3 seconds)) ●When using the operating time function without solar power generation from full charge: approx. 7 months When using power-saving state: approx. 18 months *When not linked to a smartphone, it works with normal quartz accuracy (average monthly difference ± 15 seconds). * GST-B400, GST-B400D, GST-B400AD, and GST-B400BD have obtained certification under the Radio Act of Japan.