G-SHOCK
Take off in style with the GRAVITYMASTER GRB300-8A2, built for the skies and beyond. Inspired by next-gen aircraft, this bold G-SHOCK combines a sleek blue-gray HUD-style dial with Carbon Core Guard construction and a seamless bio-based resin bezel. Whether you're conquering flight paths or city streets, its aviation-inspired design, solar-powered performance, and Bluetooth connectivity keep you mission-ready in every zone.
Dial: Gray and Blue HUD-Inspired Dial
Case Diameter (L× W× H) MM: 59.0 × 54.7 × 15.7
Case Material: Carbon-reinforced Resin (Carbon Core Guard)
Bracelet: Bio-based Resin Band
Construction: Shock Resistant, Carbon Core Guard Structure
Power supply and battery life: Tough Solar (Solar-powered)
Glass: Mineral Glass
Gender: Men
Water-Resistance: 200-meter water resistance
World Time: 38 time zones (38 cities + UTC), auto summer time (DST) switching, home city/world time city swapping
Watch Features:
Stopwatch:
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1-second stopwatch
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Measuring capacity: 23:59'59
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Measuring modes: Elapsed time, split time
Timer:
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Countdown timer
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Measuring unit: 1 second
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Countdown range: 24 hours
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Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments)
Alarm/hourly time signal:
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5 daily alarms
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Hourly time signal
Light:
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LED light (Super Illuminator)
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Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color: LED: White
Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: ±15 seconds per month (without Mobile Link)
Other features:
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Mobile Link (Wireless linking using Bluetooth®)
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Airplane Mode
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Hand shift feature (hands move out of the way for easy viewing of digital display)
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Power Saving (display goes blank to save power when left in the dark)
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Battery level indicator
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12/24-hour format
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Flight Log Function
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Date/month display swapping
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Day display (6 languages)
Regular timekeeping:
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Digital: Hour, minute, second, am/pm, month, date, day
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Analog: 2 hands (hour, minute – moves every 20 seconds)
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Rotary disc at 9 o’clock for display modes (alarm, battery level, stopwatch, etc.)
