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  • G-Shock Watch Alarm Chronograph X-Large - GA-100-1A1ER (GKF-178)

G-Shock Watch Alarm Chronograph X-Large

G-Shock G-Shock


G-Shock Official 2 Year Guarantee



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Basic Features:
The Casio G-Shock Alarm Chronograph X-Large watch for men comes with a chronograph, alarm, world time, day and date functions.
The watch features Casio G-Shock's official two year guarantee. The timepiece has a water resistance mark of 200M.

The case is made of stainless steel, having a black resin shell. The dial colour is black. The case width is 55 millimetres and the depth is 16.9 millimetres. The timepiece has a tang buckle clasp.

G-Shock's Additional Features and Benefits:
This watch for men is extra large and simultaneously stylish with its entirely black design. It comes with a battery that can function without replacement for approximately two years.

The chronograph of the timepiece is extremely accurate, measuring up to 100 hours in 1/1000-second increments. It can measure the mean time and the end time. The modes to be used include elapsed time, lap time and split time.

Additional useful features include a 24-hour timer with automatic repeat, five daily alarms and a snooze option, automatic calendar and a 12/24 hour time display. The watch is also equipped with a world time function, showing accurate information about 29 time zones and 48 cities.

Auto LED light illuminates the face of the watch. Scratch-resistant mineral glass crystal adds to the resilience of the timepiece. The resin band is extremely durable and flexible at the same time.

Jura Watches are an official stockist of Casio G-Shock.







G-Shock Official 2 Year Guarantee


G-Shock Packaging

G-Shock Watch Packaging



Model No



Core Mens

Case Width

55.0 x 51.2mm

Dial Colour



Quartz (Battery)



Delivery & Returns


We offer a Free UK next day delivery service on all orders over £75, in-stock items will be dispatched same day when ordered before 4pm. All items are dispatched using a Royal Mail fully tracked and signed for delivery service.

Alternatively you may choose to upgrade the delivery of your items to a priority service by selecting Pre-9am Royal Mail express delivery in the checkout.


We offer worldwide shipping, charges will be calculated in the checkout for deliveries outside of the UK.


Enjoy up to 30 days money back guarantee on new purchases, more details.

For more information about our delivery services, returns or exchanges, contact us on 01947 601985 or email us at whitbyjetstore@cwsellors.com.

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G-Shock Watches

Designed for the adventurers and the active, G Shock watches are one of the best brands for those looking for something that will stand the test of time.  The first G Shock watch was designed by engineer Kikuo Ibe in 1983 which was spurred on when the pocket watch his father had handed down to him had broken. He decided that it was time for there to be a watch that was almost unbreakable and so came the G Shock watch collections that we see today.

Every G-Shock watch is subjected to a series of tests to ensure that Kikuo Ibe’s philosophy remains and every G Shock model is designed to be water resistant to 100 metres, have a ten year battery life and survive a 10 metre drop. You can find all the most popular G Shock collections here including the G Shock Gravitymaster and the G Shock Premium Aviation ranges.

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