

ABOUT THIS BRAND
ELEGANCE AND TECHNOLOGY
G-Shock is a line of watches manufactured by Japanese electronics company Casio, designed to resist mechanical shock and vibration. G-Shock is an abbreviation for Gravitational Shock. The watches in the G-Shock line are designed primarily for sports, military and outdoors-oriented activities; nearly all G-shocks are digital or a combination of analog and digital and have a stopwatch feature, countdown timer, electroluminescent backlight and 200-metres of water resistance.
Product Description
The GST-B300/B300S has a hard design soft urethane band, and the GST-B300SD has a stainless steel band with a mirror and hairline finish. In addition to the stainless steel band, the GST-B300E is also bundled with a soft urethane band and a cross band so that you can enjoy changing the parts.
Product specification
- Case/Bezel Material: Resin/Stainless Steel
- One push three fold type Nakadome
- Solid band
- Metal band (stainless steel)
- Impact resistant structure (shock resist)
- Neobright
- Inorganic glass
- Carbon core guard structure
- 20 ATM water resistant
- Tough solar (solar charging system)
- Mobile link function (function interlocking with compatible mobile phones via Bluetooth® communication)
- Needle evacuation function (when the needle overlaps the liquid crystal display and is difficult to see, the needle can be temporarily retracted from the liquid crystal display)
- World time: 39 cities around the world (39 time zones, daylight saving time automatic setting function) + UTC (Coordinated Universal Time) time display, home time city replacement function
- Stopwatch (1/1000 seconds (less than 1 hour) / 1/10 seconds (1 hour or more), 24 hours total, with split)
- Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second units)
- Multi-alarm 5 (DAILY, 1 TIME, SCHEDULE), time signal
- Battery indicator display
- Power saving function (in a dark place, after a certain period of time, the display is turned off and hand movement is stopped to save power)
- Fully automatic calendar
- 12/24 hour display switching
- Operation sound ON/OFF switching function
- Double LED light: LED light
- for dial (full auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds / 3 seconds)),
- LED backlight for LCD part (full auto light, super illuminator, afterglow) With function and afterglow time switching (1.5 seconds/3 seconds)
- Driving time without solar power generation from full charge When
- using the function: about 6 months When the
- power saving state: about 19 months
- * If you do not link with a smartphone, it will work with normal quartz accuracy (average month difference ±15 seconds).
- Size (H×W×D): 51×50×15.5mm
- Mass: 185g
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