A twist of the wrist in weak light conditions automatically lights up the display backlight.
Shock-resistant
Shock-resistant construction protects against impact and vibration.
Mud-resistant case
Dirt- and mud-resistant construction keeps mud and dirt from getting into the watch.
Vibration-resistant
AlphaGEL elements surround the watch, making it even more resistant to shocks and vibrations. AlphaGEL is a silicone material. It is extremely flexible and has a cushioning effect on the module.
Solar Power
A solar cell provides power for operation.
Radio signal reception (EU, USA, Japan, China)
Whether in Europe, North America and Japan or in the outer reaches of Canada, Central America and China - once the watch has been set to the local time, it receives the relevant signal and shows the correct time wherever you are. In many countries, it also sets itself automatically to summer and winter time.
Neo-display
A luminous coating provides long-term illumination in the dark after only a short exposure to light.
Barometer (260 / 1.100 hPa)
A special sensor measures the air pressure (measuring range: 260/1100 hPa) and presents this on the display in the form of a symbol. This enables early detection of weather trends.
Thermometer (-10°C / +60°C)
A sensor measures the ambient temperature around the watch and displays it in °C (-10°C /+60°C).
Digital-compass
A built-in direction sensor detecs the magnetic north.
10 000 m altimeter
A pressure sensor detects changes in the air pressure and converts the result into an altitude up to 10 000 m.
Height Gain
The height gain sums all the meters you have climbed in a session, so that you can see at a glance the total ascent on a tour.
Altimeter data memory
Depending on the model, up to 40 sets of elevation data can be stored in the watch's data memory and re-accessed at any time. Each of these data sets consists of a measured altitude as well as the date and time. In addition to the individual altitudes, the maximum and minimum altitudes during a measurement are also stored.
World time function
Displays the current time in major cities and specific areas around the world.
Stopwatch function - 1/100 sec. - 24 hours
Accuracy of measurement up to 1/100 of a second, measuring range up to 24 hours.
Timer - 1/1 min. - 1 hour
For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. The time can be set to the nearest minute and up to 1 hour in advance. This model has three independent timers - ideal for people who need to take medicines every day or those who do interval training.
5 daily alarms
The daily alarm reminds you about recurring events with an acoustic signal at the time you have set. This model has 5 independent alarms for flexible reminders of important appointments.
Automatic hand adjustment
The automatic hand adjustment function checks the home position of the hands every hour and corrects it if necessary — either by adjusting e.g. from shocks or using the influence of magnetism.
Button tones on/off
The button tones for using the mode button can be turned off. This means that the watch no longer beeps when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated.
Hand Moving Function
With a push of a button, hands are moving and permit a free visibility of functions like stopwatch or date.
Crown button lock
Secures the crown button from accidental change to another mode of operation.
Smart Access Technology
Smart Access makes it easy to operate CASIO’s watches. Pulling out and rotating the crown provides intuitive control over various functions.
Automatic calendar with Date, Day and Month
Once set, the automatic calendar always displays the correct date.
12/24-hour timekeeping
Times can be displayed in either a 12-hour or 24-hour format.
Sapphire crystal
Artificially manufactured glass with the highest hardness and scratch resistance.
Carbon-reinforced resin casing
Thanks to its extremely high level of durability, resin is the ideal material for watches. Combining resin with carbon—a particularly robust material—creates a casing that is even more stress-resistant and offers even greater protection against external influences, resulting in an extremely high level of durability.
Resin band
Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties.
Folding clasp
The watch has a folding clasp.
Battery level indicator
An indicator shows the current battery level.
Water resistance classification (20 bar)
Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810.
What’s in the box?
3-year warranty
User manual
Warranty card
Casio box
Reviews about G-SHOCK Master of G Mudmaster Carbon Core Guard GWG-2000-1A3ER (11)
A very sturdy watch, and for a G-SHOCK, it’s actually quite stylish. It’s one of the few classic models I own, and so far I really like it. The features work... I just haven’t been able to definitively test the radio synchronization feature; generally, it’s my work companion and it never lets me down.
Krzysztof
4/24/26
100%
I bought this watch for my fiancé for our anniversary. It’s sturdy and very stylish, and the carbon case looks great. It’s a really great gift for a guy. The store offers a wide range of payment options.
Hania D
4/21/26
100%
A quick follow-up to my previous review :)
Right after I bought it, I charged the watch battery to full capacity. I’ve been playing around with various features for two weeks now, and the battery indicator still shows that it’s fully charged.
Up to 85%, the indicator shows the letter "H"; below 85%, it shows "M". So the battery used in this watch is powerful! :) The carbon fiber elements only look square in the photo. In reality, they’re perfectly cut, fitted, and streamlined. They feel very durable. Everything works together perfectly! The metal parts, carbon fiber parts, and rubber (strap).
Overall, the materials used to make the watch, as well as the strap, are premium quality. The dial design is beautiful, and the lume is great too!
Przemek
4/18/26
100%
I thought long and hard about buying this watch. I finally bought it, and I don’t regret it! The watch is absolutely beautiful and very solidly built! The “solar” feature is very light-sensitive, so it charges the battery even in low light. In cheaper models, this feature doesn’t work nearly as well. I’m pleasantly surprised by how easy the negative display is to read! While it isn’t a MIP display, it’s very easy to read, even from different angles or in low light. In cheaper models, readability on negative displays is much worse. I just hope that the quartz movement used in this watch is just as precise and reliable as the watch’s overall build quality! I’ve only had it for 2 weeks, so I set the time 2 weeks ago, and so far it’s gained 2 seconds :( I hope it stabilizes and the movement becomes more accurate. I’ll check in 6 months without resetting the time to see what the deviations are—hopefully they’ll be minimal! Because for that kind of money, I expect a lot from such a little work of art :)
All in all, I’m very satisfied! In person, all the colors are subdued, not as bright as in some photos. The red elements aren’t too red, and the strap isn’t too green.
I hope the watch lasts as long as possible! :)
I already have a few G-Shock watches in my collection, but this one is in a league of its own! My favorite! It’s got power! :)
Przemek
4/15/26
100%
A successful purchase, good service.
Ola
3/16/26
100%
A perfect product, fast delivery.
Emilias.
2/18/26
100%
Fast shipping, complete satisfaction.
Kamiln.
1/16/26
100%
Excellent service, fast delivery.
Jojo145
12/27/25
100%
The watch meets all my expectations. The solar-powered mechanism and the Japanese Casio 5678 movement work flawlessly. It’s a solid choice for anyone who values precision and durability. The purchase went smoothly. I’m very happy with this product.
klient
12/6/25
100%
Perfect quality.
Perid7
11/10/25
100%
I bought this model and I'm happy with it. Neobrite is a great feature because the dial stays bright and easy to read for a long time. I recommend it.
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The administrator of your personal data is the owner of the Watchard store, i.e. 57 Concepts Sp. z o.o. Sp. k. with the registered office at al. Witosa 31, lok. 115, 00-710 Warsaw, Poland. Providing personal data by the Customer is voluntary but necessary to complete the purchase. You have the right to view your personal data we have processed, as well as the right to request changes or removal of your personal data. Personal data will be processed for a period of 10 years.
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The administrator of your personal data is the owner of the Watchard store, i.e. 57 Concepts Sp. z o.o. Sp. k. with the registered office at al. Witosa 31, lok. 115, 00-710 Warsaw, Poland. Providing personal data by the Customer is voluntary but necessary to complete the purchase. You have the right to view your personal data we have processed, as well as the right to request changes or removal of your personal data. Personal data will be processed for a period of 10 years.
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