
G-Shock
Duo Analogue-Digital Watch
GA400GB-1A4
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Duo Analogue-Digital Watch
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Extended gift returns & exchanges: order by 31 Dec, return or exchange until 31 Jan 2027. Details


Duo Analogue-Digital Watch
or 4 payments of $33.00
- Repay in 4 installments fortnightly, interest-free.
- The maximum purchase amount is $3,000.
- Learn more about Afterpay
Duo Analogue-Digital Watch
Register to receive a notification when this item comes back in stock.
Overview
- Case size
- 52 mm
- Movement
- Quartz
- Functions
- Alarm
- Date display · Magnetic resistance +4
Crafted for bold expression and high performance, the G-Shock Duo Analogue-Digital Watch GA400GB-1A4 blends rugged durability with urban style.
This men's watch features a striking black and gold design, accentuating its large 52mm case and textured rotary switch for effortless control. Built with shock resistance, ISO764 magnetic resistance, and 200-meter water resistance, it’s engineered for reliability in any condition. The black resin band ensures a comfortable fit, while the mineral glass face protects its dual-display dial. Key features include world time, countdown timer, full auto calendar, and five daily alarms. A sport watch of distinction, it combines quartz movement precision with street-inspired aesthetics.
Specifications
- Approx battery life
- 3 years on SR927W x 2
- Size of case
- 55×51.9×18.3mm
- Total weight
- 70g
- Gender
- Male
- Band type
- Black Resin
- Features
- ISO764 Magnetic Resistant
- Shock Resistant
- 200-meter water resistance
- LED light, afterglow
- World time (31 time zones)
- 1/100-second stopwatch
- Countdown timer
- 5 daily alarms(with 1 snooze alarm)
- Hand shift feature
- Full auto calendar (to year 2099)
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.

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.
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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


