The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
The Watch Boutique Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR
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Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR

Regular price R 0.00 R 8,699.00

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Product Code : GR-B300H-5ADR

Brand : Casio

PRODUCT DETAILS

The MASTER OF G GRAVITYMASTER GR-B300H-5A features a design inspired by the golden horizon where earth meets sky. It combines a light yellow gold ion-plated metal bezel and brown ion-plated components with a dark brown resin band.

Engineered for tough environments, the watch uses a shock-resistant Carbon Core Guard structure crafted with a carbon fiber-reinforced resin case. Large, raised indexes and a spacious dial ensure high visibility for intuitive reading.

Advanced functionality includes Tough Solar power, Bluetooth Mobile Link connectivity for automatic time adjustment, and dual-time display for travel. A multi-functional rotary disc indicator at the 9 o’clock position displays the battery level, stopwatch, and alarm status.


Key Features

Case size (L× W× H)59 × 54.7 × 15.7 mm
Weight71 g
Case and bezel materialBio-based Carbon / Bio-based resin / Stainless steel
BandBio-based resin band
ConstructionShock Resistant, Carbon Core Guard structure
Water resistance200-meter water resistance
Time adjustmentBluetooth: Connects to a smartphone and automatically adjusts the time
Power supply and battery lifeTough Solar (Solar powered)
Smartphone Link featureMobile link (Wireless linking using Bluetooth®)
AppsCASIO WATCHES
App connectivity featureAuto time adjustment, Easy watch setting, Approximately 300 world time cities, Flight log, Phone finder
GlassMineral Glass
CrownScrew Lock Crown
Surface treatmentLight yellow gold ion plated bezel
Compatible band size145 to 215 mm
OtherNeobrite
World timeDual time (Home City time swapping)
Stopwatch1-second stopwatch Measuring capacity: 23:59'59. Measuring modes: Elapsed time, split time
TimerCountdown 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)
Alarm/hourly time signalDaily alarm
LightLED light (Super Illuminator) Afterglow
Light colorLED:White
CalendarFull auto-calendar (to year 2099)
Energy saving featurePower Saving (hands stop to save power when the watch is left in the dark)
Battery display/alertBattery level indicator
Run timeApprox. 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)
Accuracy±15 seconds per month (with no mobile link function)
Other featuresDate 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)

Highlights

  • Shock resistant
  • 20 bar water resistant
  • Timekeeping functionality
  • Stable solar power
  • Smartphone connectivity for operation
  • Dual city time display

Frequently asked questions

What is the water resistance rating of this watch?

It features a 200-meter (20 bar) water resistance rating.

How is the watch powered?

It is powered by Tough Solar, utilizing solar energy to charge the rechargeable battery.

What smartphone features are supported via Bluetooth?

It links to the CASIO WATCHES app for auto time adjustment, easy watch setting, world time for approximately 300 cities, a flight log, and phone finder.

What are the dimensions and weight of the watch?

The case measures 59 × 54.7 × 15.7 mm and the watch weighs 71 g.

What material is used for the case and bezel?

The case and bezel are constructed from bio-based carbon, bio-based resin, and stainless steel with a light yellow gold ion-plated finish.

What is the function of the rotary disc at 9 o'clock?

Driven by a dual-coil motor, the rotary disc displays alarm on/off status, operates as part of the stopwatch, and indicates the battery level.

PAYMENT METHODS

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SHIPPING & RETURNS

DELIVERY
  • We aim to dispatch all in-stock items from our warehouse within 2-5 business days. An email will be sent to you which will include all your tracking information once your order has been handed over to our courier partner.
  • If an item is out of stock, we will email you as soon as possible to arrange a full refund or exchange.
  • FREE shipping for all orders to any South African address.
  • International delivery to Zimbabwe, Namibia and Botswana is available for some brands. Please contact us for a shipping quote.
  • Easy 7 days returns and exchanges
RETURNS

If you do not like the product you can return it within 7 days, assuming the item is not worn, scratched or damaged in any way, and includes all the original packaging.
Please contact us for any returns or exchanges

WATER RESISTANCE

Please check the marking on the back of your watch case and refer to the following table to confirm the degree of water resistance of your watch and the preferable conditions of use. A watch’s water resistance is not permanently guaranteed. It is affected by the ageing of gaskets or deformation of watch parts due to accidental shock. To preserve a watch’s water resistance as long as possible, please follow the precautions below:

  • Wipe off moisture, sweat or dirt with a soft dry cloth after removing it from the wrist in order to increase the durability of the case back, gaskets and band.
  • After using a water resistant watch in ocean water, wash it in fresh water and dry it with a soft cloth.
  • Do not wash a water resistant watch while the crown is pulled out.
  • Do not operate the crown or press a button when the watch is wet.
  • A periodic overhaul service is recommended to check the water resistance of the watch regularly to ensure it’s functionality.

〇:OK,  ✕:Not OK

Type of water resistance

For saturation diving

For scuba diving

Enhanced water resistance for 
daily use

Water resistance for 
daily use

Non-water resistance

Water resistance

Professional Diver's Watch 
1000m
600m
300m
200m

Diver's watch
200m
100m

20
B

A
R

10
B

A
R

5
B

A
R

3
BAR

Usage example

Accidental splashes and Contact with rain

  〇

  〇

〇

〇

〇

  〇

  ×

Swimming, Yachting,
Taking a shower

  〇

  〇

〇

〇

〇

  ×

  ×

Skin diving

  〇

  〇

〇

〇

×

  ×

  ×

Scuba diving

  〇

  〇

×

×

×

  ×

  ×

Saturation Diving

  〇

  ×

×

×

×

  ×

  ×

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Casio G-Shock Gravity Master Brown Dial Solar Watch GR-B300H-5ADR

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