
G-Shock
Black Resin Band Watch
GSTB400BB-1A
or 4 payments of $107.50
- Repay in 4 installments fortnightly, interest-free.
- The maximum purchase amount is $3,000.
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Extended gift returns & exchanges: order by 31 Dec, return or exchange until 31 Jan 2027. Details


Black Resin Band Watch
or 4 payments of $107.50
- Repay in 4 installments fortnightly, interest-free.
- The maximum purchase amount is $3,000.
- Learn more about Afterpay
Overview
- Case size
- 46.6 mm
- Movement
- Solar
- Functions
- Alarm
- Date display · Multiple time zones +2
Bold and refined, the G-Shock GSTB400BB-1A men’s watch combines cutting-edge toughness with sleek design.
Crafted with a black ion-plated metal bezel and durable black resin band, this timepiece features a slim profile enhanced by carbon core guard construction. Its all-black aesthetic and mineral crystal glass deliver a sophisticated edge suitable for both everyday wear and rugged environments. With solar-powered movement, 200-meter water resistance, and world time functionality, it blends performance with style. The 46.6mm case houses both analog and digital displays, 12/24-hour time, alarm, day-date functions, and precise chronograph capabilities. Designed for those who demand resilience and precision, this watch redefines the standard in modern men’s watches.
Specifications
- Band Material
- Resin
- Band Colour
- Black
- Dial Colour
- Black
- Accuracy
- ±15 seconds per month
- Measuring unit
- 1/100 second (for the first 60 minutes)
- Countdown range
- 24 hours
- Dimensions
- 46.6 x 49.6 x 12.9 mm
- Glass
- Mineral Glass
- Gender
- Male
Built not to break

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


