G-Shock
Gravity Master Black Resin Band Watch
GRB300-1A4
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Extended gift returns & exchanges: order by 31 Dec, return or exchange until 31 Jan 2027. Details
Gravity Master Black Resin Band Watch
or 4 payments of $54.00
- Repay in 4 installments fortnightly, interest-free.
- The maximum purchase amount is $3,000.
- Learn more about Afterpay
Overview
- Case size
- 59 mm
- Movement
- Solar
- Strap
- Resin
- Black
Experience the G-Shock Gravity Master GRB300-1A4, where rugged durability meets refined design.
The case measures 5.9 cm long, 5.47 cm wide and 1.57 cm high, built from carbon, resin and bio-based resin, and protected by Carbon Core Guard with a mineral glass face. A black resin band emphasises a bold, versatile silhouette. Engineered for extremes, it offers 200-metre water resistance and shock resistance, powered by Tough Solar with a battery level indicator and Power Save. Bluetooth Mobile Link delivers Auto Time Correction and world time across around 300 cities. The bold dial, white hands and orange accents make this a premium men's watch for adventure and everyday style.
Specifications
- Dimensions (L x W x H mm)
- 59 x 54.7 x 15.7
- Protection
- 200-Meter Water Resistance, Shock Resistant
- Case Material
- Carbon, Resin, Bio-Based Resin
- Bezel Material
- Resin, Bio-Based Resin
- Band Material
- Resin, Bio-Based Resin
- Power Saving
- Power Save
- Bluetooth
- Bluetooth Mobile Link
- Bluetooth Functions
- Alarm Settings, Auto Summer Time (DST) Switching, Auto Time Correction, Hand Alignment Correction, One-Touch Time Correction, Phone Finder, Timer Settings, World Time (approx. 300 cities), Flight Log
- World Time
- Dual Time
- Stopwatch Unit
- 1 second
- Stopwatch Max Range
- 23:59'59"
- Measuring Modes
- elapsed time, split time
- Countdown Timer Unit
- 1 second
- Countdown Range
- 24 hours
- Countdown Setting Range
- 1 minute to 24 hours
- Alarm
- 1 Daily, Alarm
- Light Type
- LED, Super Illuminator, 1.5 Second Afterglow
- Glass
- Mineral
- Gender
- Female
Built not to break
A module that floats
Inside a hollow case, the module (the heart of the watch) seems to float, so knocks from outside are softened before they reach it. The idea came from watching children play with a rubber ball.
Tough Solar
A thin, film-like solar panel is fitted into the dial around the display, and it turns even weak light, such as from fluorescent lamps, into power.
2-year warranty
Every G-SHOCK watch from Watch Direct comes with a 2-year warranty from Shriro Australia, Casio’s exclusive Australian distributor.
Watch Direct is an authorised G-SHOCK retailer, trading since 2011.
About G-SHOCK
G-SHOCK began with a dropped watch. Casio designer Kikuo Ibe saw a watch break when it fell, and proposed “a durable watch that would not break even if dropped”. The project set itself the “Triple 10” goal: survive a 10-metre drop, resist water to 10 bar and run for 10 years on one battery. The first G-SHOCK, the DW-5000C, arrived in 1983.
Shop all G-SHOCK
Reviews
Shipping & Returns
Free Shipping Anywhere in Australia
- Get Your Order Shipped in Record Time - Most Orders Sent Within 24 Hours!
- Efficient Same Day Delivery in Sydney - Calculated at Checkout
- Signature on Delivery is included on all shipments within Australia.
- DHL Express is available for fast and secure international shipments.
View our Shipping Page for More Information
Returns Policy
Holiday gift returns: orders placed 1 November to 31 December 2026 can be returned or exchanged until 31 January 2027.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
View our Returns Page for More Information