CASIO to Release GRAVITYMASTER Special Model with Red Brand Colour Accents
A G-SHOCK Featuring New Carbon Core Guard Structure

Basel, March 20, 2019 - Casio Computer Co., Ltd., announced today the release of a new edition to the aviation concept GRAVITYMASTER series, part of the G-SHOCK brand of shock-resistant watches. The GWR-B1000X is a limited-edition model featuring accents of the G-SHOCK red brand colour.

Like its base model GWR-B1000, the new GWR-B1000X is equipped with a new Carbon Core Guard structure for shock resistance, but this special model features accents of the red brand colour of G-SHOCK throughout the watch—from the inner laminate of the carbon bezel to the in-dial ring and G-SHOCK logo. Also carried over from the base model GWR-B1000 is the use of carbon composite material in the case and a carbon-fibre* insert band with excellent tensile strength to withstand use in the harshest conditions. These carbon materials give the watch shock resistance, rigidity, and resistance to degradation—the same properties that qualify carbon materials for use in aircraft fuselage parts. The GWR-B1000X also employs carbon composite material in the dial.

The base model GWR-B1000 uses a carbon monocoque case that seamlessly integrates the case and case back. The result is a watch that boasts high strength while weighing less than any previous GRAVITYMASTER series watch. The GWR-B1000X also features TRIPLE G RESIST technology to withstand shock, centrifugal force, and vibration, and all of its externally exposed metal parts are made from rust-resistant titanium.

* TORAYCA® carbon fibre from Toray Industries, Inc.



Triple G Resist (shock resistant, centrifugal force resistant, vibration resistant), rust-resistant

Water Resistance

20 bar

Radio Frequency

77.5 kHz (DCF77: Germany); 60 kHz (MSF: UK); 60 kHz (WWVB: USA); 40 kHz (JJY: Fukushima, Japan) / 60 kHz (JJY: Kyushu, Japan); 68.5 kHz (BPC: China)

Radio Wave Reception

Automatic reception up to six times a day (except for use in China: up to five times a day)



Bluetooth® low energy

Signal Range

Up to 2m (may differ depending on surrounding conditions)


1 second; measuring capacity: 24 hours; fly back; direct timing start

Countdown Timer

Measuring unit: 1 second (maximum 24 hours)


1 independent daily alarm

Other Functions

Mobile Link functions (world time: over 300 cities, auto time adjustment, One-Touch Time Adjustment, easy watch setting), day and date display, full auto-calendar, LED light (super illuminator and afterglow), battery level indicator

Power Source

Tough Solar power system (solar-charging system)

Continuous Operation

About 18 months with the power-saving function* ON after full charge
* Power-saving after a certain period in a dark location

Size of Case

50.1× 46.4×16.9 mm

Total Weight

Approx. 72g

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Casio Computer Co., Ltd. is under license.

Casio Scandinavia AS
Mithra Pakdaman Kiasat
Manager Watch Division
Phone: +46 704166310
Mail: mithra.pakdaman@casio.se

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