---
product_id: 367300392
title: "CASIO GWG-2000-1A1JF [G-Shock Carbon MUDMASTER Radio Solar Triple Sensor]Shipped from Japan"
brand: "g-shock"
price: "B/.2131"
currency: PAB
in_stock: true
reviews_count: 13
category: "G Shock"
url: https://www.desertcart.com.pa/products/367300392-casio-gwg-2000-1a1jf-g-shock-carbon-mudmaster-radio-solar
store_origin: PA
region: Panama
---

# Solar-powered, no battery swaps Triple Sensor: compass, altimeter, barometer Shock & mud resistant, 200m water proof CASIO GWG-2000-1A1JF [G-Shock Carbon MUDMASTER Radio Solar Triple Sensor]Shipped from Japan

**Brand:** g-shock
**Price:** B/.2131
**Availability:** ✅ In Stock

## Summary

> 🕶️ The ultimate tough-tech timepiece for the modern explorer—wear the future of adventure.

## Quick Answers

- **What is this?** CASIO GWG-2000-1A1JF [G-Shock Carbon MUDMASTER Radio Solar Triple Sensor]Shipped from Japan by g-shock
- **How much does it cost?** B/.2131 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/367300392-casio-gwg-2000-1a1jf-g-shock-carbon-mudmaster-radio-solar)

## Best For

- g-shock enthusiasts

## Why This Product

- Trusted g-shock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Global Time Accuracy:** Multi-Band 6 radio control syncs your time automatically across continents—stay punctual worldwide.
- • **Unstoppable Solar Power:** Harness ambient light to keep your watch charged—never worry about battery life again.
- • **All-Condition Visibility:** Super Illuminator LED and anti-reflective sapphire crystal ensure crystal-clear readability day or night.
- • **Rugged Carbon Core Guard:** Forged carbon bezel and carbon fiber-reinforced resin case deliver aircraft-grade durability in a sleek, lightweight design.
- • **Precision Triple Sensor Tech:** Navigate any terrain with real-time compass, altimeter, and barometer readings at your fingertips.

## Overview

The CASIO GWG-2000-1A1JF MUDMASTER is a solar-powered, shock-resistant analog-digital watch engineered for extreme outdoor conditions. Featuring a forged carbon bezel and carbon fiber-reinforced resin case, it offers unmatched durability while remaining lightweight at 106g. Its Triple Sensor system provides compass, altimeter, and barometer data, complemented by Multi-Band 6 radio-controlled atomic timekeeping for global precision. With 200m water resistance, sapphire crystal with anti-reflective coating, and a Super Illuminator LED, this watch ensures reliable performance and visibility in any environment—perfect for professionals who demand rugged sophistication without compromise.

## Description

The G-Shock MUDMASTER GWG-2000-1A1JF combines professional-grade durability with advanced sensor technology. Built for extreme outdoor conditions, this solar-powered timepiece features shock-resistant construction and 200-meter water resistance. The Triple Sensor system provides essential navigation data while the rugged design ensures reliable performance in any environment.

Review: so great of Casio G-Shock 很棒啊 - It's a really expensive watch. It's accurate when it goes off。 The Casio GWG-2000-1AJF represents a significant evolution in the MUDMASTER lineage, distinguished by its innovative use of forged carbon and a commitment to functional visibility in harsh environments. Exterior and Appearance The watch presents a robust yet more compact profile, measuring approximately 54.4 mm in width and 16.5 mm in thickness, with a weight of about 106 grams . This reduction in bulk is made possible by a forged carbon bezel, a composite material typically used in aircraft fuselages, positioned at the 12 and 6 o'clock areas . The dial is engineered for legibility, featuring large Arabic numeral indexes and extra-thick arrow-shaped hands . The mode indicator at the 9 o'clock position is angled to ensure readability from low angles, a thoughtful detail for outdoor activities . Practical Functions Functionality is centered on a Triple Sensor system that provides critical environmental data, including a digital compass, altimeter, barometer, and thermometer . The watch is powered by Tough Solar, eliminating the need for battery replacements, and features Multi-Band 6 radio control for precise timekeeping across different regions . A double LED light (Super Illuminator) ensures readability in the dark, while the sapphire crystal with an anti-reflective coating protects the face from scratches . Craftsmanship and Materials The construction emphasizes durability without sacrificing wearability. The Carbon Core Guard structure utilizes carbon fiber-reinforced resin to protect the module while contributing to a slimmer case than previous models . The mud-resist buttons are a hallmark of the MUDMASTER series; they integrate stainless steel button pipes with silicone buffers to prevent intrusion from dust and mud . The resin band features a textured surface inspired by heavy-duty equipment grips for slip resistance, and the crown has a knurled finish for easy operation .
Review: If it was any more advanced, it'd be a smartwatch - The Casio GWG-2000 is almost certainly more watch than the average person needs, but it sure is fun to have on your wrist. It’s simultaneously beefy and elegant and could almost pass for a dress watch if not for its comparatively massive size. This watch is loaded with features with the star of the show being the triple sensor. I have found that the barometer and compass are both very accurate when compared to real-time NOAA data and a handheld magnetic compass. The thermometer is also dead-on accurate so long as you’re not wearing the watch where it is affected by your body heat – the manual recommends removing the watch from your wrist for 20-minutes before taking a temperature reading. The altimeter is more finicky because the altitude is estimated using air pressure which frequently changes, so you’ll need to recalibrate it to a known altitude measurement before setting out on a trip. There are the standard digital watch features like a stopwatch which can run for 24-hours, and a countdown timer which is inexplicably limited to a mere 60-minutes. You get five different alarms along with an hourly signal; however, G-Shock watches have infamously quiet sounders due to their thick cases, and the GWG-2000 is no exception. In fact, I can’t hear it beeping unless I hold it up to my ear. For less than ideal lighting conditions, there is a bright LED mounted at the six o’clock position which does an excellent job illuminating the watch face, and the lume when fully charged remains readable all night even as it dims. Solar charging continuously recharges the battery when exposed to any bright ambient light source, so you never need to worry about battery changes. And, finally, there is a world time mode for independently tracking a second timezone along with automatic atomic clock time syncing via a radio signal which I have confirmed keeps the watch accurate to within a fraction of a second. I find the GWG-2000 to be reasonably lightweight and comfortable on the wrist despite its large size. The stock strap is somewhat unyielding, but it can be replaced with a variety of aftermarket straps using a pair of inexpensive third-party adapters (I recommend JaysAndKays). The buttons are large and textured making them easy to locate and press, and the addition of a crown on the right side allows for reasonably intuitive operation given the number of features. Basically, select a mode, pull the crown outward to enable settings, use the lower left button to select the setting you wish to change, give the crown a spin to select, then press it inward to finish. The watch also features a single LCD display rather than having information spread across multiple windows, which I appreciate, and while negative displays are often difficult to read, the LCD on the GWG-2000 is bright, clear, and legible even in low light. It's not a perfect watch, but it comes close. If you need something with a clearly audible alarm, then this is probably not the watch for you. If you're fine with pretending the alarm feature doesn't exist (or you have better hearing than me), then the GWG-2000 has a lot to offer, and being a G-Shock, it's designed to take a beating that would break any other watch. Considering Casio’s recent design trends, it’s also likely to be one of their last high-end watches that doesn't require a Bluetooth connection and privacy invading phone app for full functionality, so get it while you still can. Update 2/18/2026: I ended up returning this watch because I found that the grey hour and minute hands were occasionally hard to see against the darker grey watch face. 95% of the time the watch is perfectly legible, especially in bright light, but that remaining 5% proved frustrating as I would have to study the watch for several seconds to locate the hands. The brightest thing on the watch face is the white mode indicator which is always annoyingly visible even when the hands are not. I exchanged the 1A1 model for a 1A3 which has white hands and is far more legible under all lighting conditions.

## Features

- Item Trademark: Casio
- Item Category: Watch
- Manufacturer: CASIO

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09H6PSMQT |
| Additional Features | Solar Powered, Triple Sensor, Water Resistant |
| Age Range Description | Adult |
| Band Color | Black |
| Band Material Type | Resin |
| Band Width | 21.5 millimeters |
| Bands | 1 |
| Best Sellers Rank | #558,808 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #2,152 in Men's Wrist Watches |
| Brand Name | G-Shock |
| Case Diameter | 5.4 centimeters |
| Case Material Type | Resin |
| Case Thickness | 16.5 millimeters |
| Clasp Type | Tang Buckle |
| Clasp type | Tang Buckle |
| Closure Type | Buckle |
| Crystal | Sapphire Crystal |
| Customer Reviews | 4.7 out of 5 stars 381 Reviews |
| Dial Color | Black |
| Display | Analog-Digital |
| Embellishment Feature | Crystal |
| Face Style | Analog-Digital |
| Included Components | Strap |
| Item Weight | 106 g |
| Manufacturer | Casio |
| Manufacturer Part Number | GWG-2000-1A1JF |
| Model Name | MUDMASTER |
| Model Number | GWG-2000-1A1JF |
| Power Source | Solar Powered |
| Series Number | 2000 |
| Shape | Round |
| Sport Type | Walking |
| Strap Type | Two Piece Strap |
| Style Name | Modern |
| Theme | Outdoor Adventure |
| Warranty Type | Limited Warranty |
| Watch Movement Type | Japanese Quartz |
| Water Resistance Depth | 200 meters |
| Water Resistance Level | Water Resistant |

## Images

![CASIO GWG-2000-1A1JF [G-Shock Carbon MUDMASTER Radio Solar Triple Sensor]Shipped from Japan - Image 1](https://m.media-amazon.com/images/I/71EZt8bnc9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ so great of Casio G-Shock 很棒啊
*by H***G on September 18, 2026*

It's a really expensive watch. It's accurate when it goes off。 The Casio GWG-2000-1AJF represents a significant evolution in the MUDMASTER lineage, distinguished by its innovative use of forged carbon and a commitment to functional visibility in harsh environments. Exterior and Appearance The watch presents a robust yet more compact profile, measuring approximately 54.4 mm in width and 16.5 mm in thickness, with a weight of about 106 grams . This reduction in bulk is made possible by a forged carbon bezel, a composite material typically used in aircraft fuselages, positioned at the 12 and 6 o'clock areas . The dial is engineered for legibility, featuring large Arabic numeral indexes and extra-thick arrow-shaped hands . The mode indicator at the 9 o'clock position is angled to ensure readability from low angles, a thoughtful detail for outdoor activities . Practical Functions Functionality is centered on a Triple Sensor system that provides critical environmental data, including a digital compass, altimeter, barometer, and thermometer . The watch is powered by Tough Solar, eliminating the need for battery replacements, and features Multi-Band 6 radio control for precise timekeeping across different regions . A double LED light (Super Illuminator) ensures readability in the dark, while the sapphire crystal with an anti-reflective coating protects the face from scratches . Craftsmanship and Materials The construction emphasizes durability without sacrificing wearability. The Carbon Core Guard structure utilizes carbon fiber-reinforced resin to protect the module while contributing to a slimmer case than previous models . The mud-resist buttons are a hallmark of the MUDMASTER series; they integrate stainless steel button pipes with silicone buffers to prevent intrusion from dust and mud . The resin band features a textured surface inspired by heavy-duty equipment grips for slip resistance, and the crown has a knurled finish for easy operation .

### ⭐⭐⭐⭐⭐ If it was any more advanced, it'd be a smartwatch
*by D***N on February 12, 2026*

The Casio GWG-2000 is almost certainly more watch than the average person needs, but it sure is fun to have on your wrist. It’s simultaneously beefy and elegant and could almost pass for a dress watch if not for its comparatively massive size. This watch is loaded with features with the star of the show being the triple sensor. I have found that the barometer and compass are both very accurate when compared to real-time NOAA data and a handheld magnetic compass. The thermometer is also dead-on accurate so long as you’re not wearing the watch where it is affected by your body heat – the manual recommends removing the watch from your wrist for 20-minutes before taking a temperature reading. The altimeter is more finicky because the altitude is estimated using air pressure which frequently changes, so you’ll need to recalibrate it to a known altitude measurement before setting out on a trip. There are the standard digital watch features like a stopwatch which can run for 24-hours, and a countdown timer which is inexplicably limited to a mere 60-minutes. You get five different alarms along with an hourly signal; however, G-Shock watches have infamously quiet sounders due to their thick cases, and the GWG-2000 is no exception. In fact, I can’t hear it beeping unless I hold it up to my ear. For less than ideal lighting conditions, there is a bright LED mounted at the six o’clock position which does an excellent job illuminating the watch face, and the lume when fully charged remains readable all night even as it dims. Solar charging continuously recharges the battery when exposed to any bright ambient light source, so you never need to worry about battery changes. And, finally, there is a world time mode for independently tracking a second timezone along with automatic atomic clock time syncing via a radio signal which I have confirmed keeps the watch accurate to within a fraction of a second. I find the GWG-2000 to be reasonably lightweight and comfortable on the wrist despite its large size. The stock strap is somewhat unyielding, but it can be replaced with a variety of aftermarket straps using a pair of inexpensive third-party adapters (I recommend JaysAndKays). The buttons are large and textured making them easy to locate and press, and the addition of a crown on the right side allows for reasonably intuitive operation given the number of features. Basically, select a mode, pull the crown outward to enable settings, use the lower left button to select the setting you wish to change, give the crown a spin to select, then press it inward to finish. The watch also features a single LCD display rather than having information spread across multiple windows, which I appreciate, and while negative displays are often difficult to read, the LCD on the GWG-2000 is bright, clear, and legible even in low light. It's not a perfect watch, but it comes close. If you need something with a clearly audible alarm, then this is probably not the watch for you. If you're fine with pretending the alarm feature doesn't exist (or you have better hearing than me), then the GWG-2000 has a lot to offer, and being a G-Shock, it's designed to take a beating that would break any other watch. Considering Casio’s recent design trends, it’s also likely to be one of their last high-end watches that doesn't require a Bluetooth connection and privacy invading phone app for full functionality, so get it while you still can. Update 2/18/2026: I ended up returning this watch because I found that the grey hour and minute hands were occasionally hard to see against the darker grey watch face. 95% of the time the watch is perfectly legible, especially in bright light, but that remaining 5% proved frustrating as I would have to study the watch for several seconds to locate the hands. The brightest thing on the watch face is the white mode indicator which is always annoyingly visible even when the hands are not. I exchanged the 1A1 model for a 1A3 which has white hands and is far more legible under all lighting conditions.

### ⭐⭐⭐⭐⭐ If you were looking for a sign, here it is.
*by F***L on September 12, 2026*

Day 1: Satisfied. I’ve been wanting this one for a while. It is Japanese import. So it came in a nice box with a pillow, instead of a tin and foam. A bit smaller than I expected, but also lighter than I expected. Generous lume. The glow in the photo was charged with indoor light during unboxing. Photoed next to a GA-010 and GG-1000 for comparison.

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-10-18*