Description
![Casio G-Shock G-STEEL Radio-Controlled Solar Watch GST-W300-7AJF Men's White [Official Japanese Product]](https://toyotatabi.com/wp-content/uploads/2025/11/Casio-G-Shock-G-STEEL-Radio-Controlled-Solar-Watch-GST-W300-7AJF-Mens-White-Official-Japanese-Prod-200x300.jpg)
Casio G-Shock G-STEEL Radio-Controlled Solar Watch GST-W300-7AJF Men’s White [Official Japanese Product]
Product specifications
Watch Information
| brand | G-SHOCK |
|---|---|
| Model number | GST-W300-7AJF |
| Model number | GST-W300-7AJF |
| Release year | 2017 |
| Case Shape | circular |
| Windshield material | Glass |
| Display Type | Analog-digital |
| Clasp | buckle |
| Case material | resin |
| Case diameter/width | 49.3 millimeters |
| Case Thickness | 15.3 millimeters |
| Band material/type | Urethane/rubber |
| Band Size | Approximately 14.5~21.5cm |
| Bandwidth | 20 |
| Band Color | white |
| Dial color | white |
| Bezel Material | stainless steel |
| Calendar function | Fully automatic calendar, date, and day of the week display |
| Other features | Solar radio-controlled watch, world time, alarm, calendar |
| Weight | 84 g |
| Movement | Solar-powered radio-controlled watch |
| Water pressure resistance | 30 m |
| Manufacturer’s warranty | 1-year warranty |
Product description
Product introduction
G-SHOCK, the watch brand that continues to evolve in pursuit of toughness, introduces G-STEEL, which breaks new ground in metal design by blending different materials. The GST-W300, a combination watch with a downsized module, now comes in a new color. Inspired by the deep white snow of falling snow, this model features a white bezel and band, perfect for the depths of winter. The edgy, three-dimensionally shaped indexes, created using unique micro-machining technology, and the lightweight, shock-resistant aluminum analog hands are finished in a gorgeous gold color. The gold accents the brilliant light seen in illuminations and other events. Paired with the G-MS, which can be paired, this design makes it a fun pairing. Furthermore, the downsized case minimizes interference with cuffs. G-STEEL is perfect for casual winter fashion.
Shock-resistant construction
, Tough Solar (solar charging system)
, 200-meter water resistance
, Radio wave reception:
Automatic reception (up to 6 times per day) (up to 5 times per day for Chinese radio waves) / Manual reception,
Supported areas: Japan, North America, Europe, China.
*When the Home Time setting is set to a city that can receive radio waves, the watch will receive the station that corresponds to that city. The time difference will also be set based on the selected city.
●Hand retraction function (When the hands overlap with the LCD display and are difficult to see, you can temporarily retract the hands from above the LCD display)
●World time: Time display for 48 cities worldwide (31 time zones, daylight saving time setting function) + UTC (Coordinated Universal Time), Home city swap function
●Stopwatch (1/100 second, 60-minute counter, with split)
●Timer (set unit: 1 second, maximum set: 100 minutes, measured in 1-second units)
●5 time alarms (with countdown function) and hourly signal
●Battery indicator display
●Power saving function (When in a dark place, the display is turned off after a certain period of time to save power)
●Full auto calendar
●12/24-hour display switching
●Operation sound ON/OFF switching function
●Double LED light: LED light for dial (with full auto light, Super Illuminator, afterglow function, afterglow time switch (1.5 seconds / 3 seconds)), LCD Internal LED backlight (with full auto light, Super Illuminator, afterglow function, switchable afterglow time (1.5 seconds/3 seconds))
● Operating time from full charge without solar power generation: When functions are used/approximately 7 months, when in power saving mode/approximately 18 months
* When radio wave reception is not performed, the watch will operate with normal quartz accuracy (average monthly difference of ±15 seconds).
Brand introduction
G-SHOCK established a new concept of toughness in watches. It all began with the passionate belief of its developers in creating a watch that would not break even if dropped, a seemingly foolhardy challenge that overturned conventional wisdom at the time. After more than 200 prototypes and roughly two years of work, the shock-resistant structure was finally completed. This was the birth of the technology that forms the core of toughness. Since then, G-SHOCK has continued to evolve endlessly, pursuing even greater toughness in every aspect: structure, materials, and functionality.
![Casio G-Shock G-STEEL Radio-Controlled Solar Watch GST-W300-7AJF Men's White [Official Japanese Product]](https://toyotatabi.com/wp-content/uploads/2025/11/Casio-G-Shock-G-STEEL-Radio-Controlled-Solar-Watch-GST-W300-7AJF-Mens-White-Official-Japanese-Prod.jpg)



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