G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia
G - SHOCK - GRB300EC - 1A - CASIO Australia

GRB300EC-1A

$649.00
/
Tax included. Shipping calculated at checkout.
  • In stock, ready to ship

Whatever you’re doing, wherever you are — the G-SHOCK Master of G line has your back.

Based on GRAVITYMASTER, MUDMASTER, and MUDMAN models that deliver peak performance in punishing conditions in the air and on land, this line features a black watch case symbolizing toughness, with accents in vivid emergency colors that capture the world of professionals involved in rescue efforts and other critical missions.

The organic form of the GRAVITYMASTER GR-B300EC is inspired by next-generation aircraft and rendered with a seamless exterior design. The Carbon Core Guard structure and wide 3D face deliver durability, readability, and a comfortable fit. Enjoy all the practical functions as well, including dual-time simultaneously showing the time in two cities, a flight log memory function for recording routes traveled, and more.

Band
  • Bio-based resin band
Case and bezel material
  • Bio-based Carbon / Bio-based resin / Stainless steel
Case size (L× W× H)
  • 59 × 54.7 × 15.7 mm
Construction
  • Shock Resistant
  • Carbon Core Guard structure
Power supply and battery life
  • Tough Solar (Solar powered)
Time adjustment
  • Bluetooth: Connects to a smartphone and automatically adjusts the time
Water resistance
  • 200-meter water resistance
Weight
  • 71 g
Compatible band size
  • 145 to 215 mm
Crown
  • Screw Lock Crown
Glass
  • Mineral Glass
Other

["Neobrite"]

Surface treatment
  • Black ion plated bezel
App connectivity feature
  • Auto time adjustment
  • Easy watch setting
  • Approximately 300 world time cities
  • Flight log
  • Phone finder
Apps

["CASIO WATCHES"]

Smartphone link feature
  • Mobile link (Wireless linking using Bluetooth®)
Accuracy
  • Accuracy: ±15 seconds per month (with no mobile link function)
Battery display alert
  • Battery level indicator
Calendar
  • Full auto-calendar (to year 2099)
Energy saving feature
  • Power Saving (hands stop to save power when the watch is left in the dark)
Light

LED light (Super Illuminator)
Afterglow

Other features

Date display
Day indicator
Regular timekeeping:
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day)

Run time

Approx. battery operating time:
5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Stopwatch

1-second stopwatch
Measuring capacity: 23:59'59.
Measuring modes: Elapsed time, split time

Timer

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

World time

Dual time (Home City time swapping)