Casio’s G-Shock Master of G Watches series has long been the gold standard for rugged, reliable, and high-performance timepieces, designed to withstand extreme environments. Built for professionals, athletes, and adventure seekers, these watches combine military-grade durability with cutting-edge technology, making them a top choice for those who demand both toughness and functionality.

Now, with the latest Master of G lineup, Casio has introduced innovative features that enhance the watches’ usability for both outdoor and urban settings. The addition of a step counter makes it a great companion for fitness-conscious individuals, while solar charging ensures extended battery life, reducing the need for frequent recharges. The series continues to offer exceptional shock resistance, water resistance up to 200 meters, and enhanced durability, making it ideal for extreme sports, tactical missions, and everyday use.

Beyond durability, the new Master of G models cater to modern users with advanced functionalities for navigation, tracking, and precision timekeeping. Whether you are hiking through rough terrains, diving into deep waters, or engaging in high-impact activities, these watches provide unparalleled reliability and performance.

In this article, we’ll explore the newly launched G-Shock Master of G models in detail, highlighting their features, benefits, and why they stand out among other rugged watches. We’ll also compare them with other top-tier durable watches like the Garmin Instinct 2, Suunto Core, and Luminox Navy SEAL Series, helping you determine the best fit for your needs.

Casio G-Shock Master of G – A New Era of Toughness

The latest G-Shock Master of G watches have just been launched in the U.S., bringing with them a host of advanced features designed for extreme conditions. With a combination of solar charging, a step counter, and military-grade durability, these watches cater to adventure seekers and professionals who need reliable gear.

Key Features of the New G-Shock Master of G:

✔ Step Counter – Tracks your daily steps, making it an ideal companion for fitness enthusiasts.
✔ Solar Charging – Ensures a long-lasting power supply, reducing the need for frequent charging.
✔ Shock Resistance – Built to withstand tough conditions, including impacts, drops, and vibrations.
✔ Water Resistance – Ideal for water-based activities, with resistance up to 200 meters.
✔ Tough Resin Case & Band – Designed to handle extreme environments.

Pros of the G-Shock Master of G:

✅ Reliable Power Source – Solar charging eliminates the need for constant battery replacements.
✅ Military-Grade Durability – Perfect for adventurers, military personnel, and outdoor enthusiasts.
✅ Accurate Timekeeping – Advanced quartz movement ensures precision.
✅ Modern Features – The addition of a step counter brings fitness tracking into the mix.

Casio’s G-Shock Master of G & 6900 Series Watches – The Ultimate Rugged Timepieces

Casio’s G-Shock Master of G and 6900 Series watches have cemented their place as some of the most rugged, durable, and feature-packed timepieces in the world. Designed for military personnel, extreme sports enthusiasts, and adventurers, these watches boast shock resistance, water resistance, and advanced functionalities that make them perfect for tough environments.

In this article, we’ll take an in-depth look at both the Master of G series and the legendary G-Shock 6900 series, exploring their standout features, pros, and why they continue to be the top choices for professionals and watch collectors alike.

G-Shock Master of G Series – Built for the Extreme

The Master of G series is Casio’s premium G-Shock lineup, designed specifically for tactical operations, aviation, diving, and outdoor exploration. These watches are known for their high-end materials, advanced sensors, and unmatched durability.

Top Models in the Master of G Series

1. G-Shock Mudmaster (GG-B100 & GWG-2000) – Built for Harsh Terrains

For those who push the limits in the harshest environments, Casio’s G-Shock Mudmaster series stands as the ultimate companion. Designed for military personnel, first responders, hikers, and extreme adventurers, the Mudmaster GG-B100 & GWG-2000 models are built to withstand mud, dirt, shock, and extreme weather conditions.

Combining rugged durability with cutting-edge technology, the Mudmaster series features mud-resistant construction, advanced sensor technology, and solar charging, ensuring unmatched performance in the wildest terrains. Whether you’re trekking through jungles, navigating deserts, or braving high-altitude mountains, the Mudmaster GG-B100 and GWG-2000 provide the reliability and toughness needed to conquer any challenge.

In this detailed review, we’ll explore what makes these two Mudmaster models the top choices for outdoor enthusiasts, covering their design, features, durability, and why they remain a favorite among professionals and survivalists. Stay tuned for a deep dive into the world’s toughest adventure watch!

Featrurs of G-Shock Mudmaster

The Mudmaster series is perfect for military personnel, hikers, and off-road adventurers. It features:
✔️ Carbon Core Guard Structure – Makes the watch tougher and more lightweight
✔️ Triple Sensor Technology – Includes a barometer, altimeter, and digital compass
✔️ Mud-Resistant Design – Sealed buttons and case prevent dust and mud from entering
✔️ Solar-Powered & Bluetooth Connectivity – Syncs with smartphones for enhanced features

2. G-Shock Frogman (GWFA1000) – The Ultimate Dive Watch

The G-Shock Frogman (GWFA1000) is the ultimate dive watch, built for those who demand precision, durability, and cutting-edge technology beneath the waves. As part of Casio’s premium Master of G series, the Frogman stands out with its ISO 200-meter water resistance, making it a true professional-grade diving companion. Unlike standard G-Shock models, the GWFA1000 features a fully analog display, Bluetooth connectivity, solar charging, and a high-precision dive timer, ensuring unparalleled functionality for underwater adventurers.

Designed with a carbon monocoque case for lightweight strength, this timepiece delivers both ruggedness and sophistication. Whether you’re a commercial diver, a military operative, or a passionate ocean explorer, the Frogman GWFA1000 offers unmatched performance and reliability in the most demanding aquatic environments.

The Frogman series is ISO-certified for diving and is ideal for professional divers. Key features include:
✔️ ISO 200M Water Resistance – Ensures top-tier underwater performance
✔️ Tide Graph & Moon Data – Perfect for tracking sea conditions
✔️ Tough Solar Charging – Eliminates the need for frequent battery replacements
✔️ Sapphire Crystal Display – Scratch-resistant and highly durable

3. G-Shock Gravitymaster (GR-B200) – Perfect for Aviation Professionals

The G-Shock Gravitymaster (GR-B200) is a high-performance aviation watch designed for pilots, adventurers, and professionals who require rugged durability and advanced functionality. Engineered with Carbon Core Guard technology, the GR-B200 offers exceptional strength while remaining lightweight, ensuring it can withstand the toughest conditions. Equipped with Quad Sensor technology, it features an altimeter, barometer, compass, and thermometer, making it an essential tool for those who navigate extreme environments.

The Bluetooth connectivity allows for seamless synchronization with the G-Shock Connected app, offering features like flight logs and mission tracking. With solar charging, shock resistance, and 200-meter water resistance, the Gravitymaster GR-B200 is built to support aviation professionals and outdoor enthusiasts in every mission, no matter how demanding.

Designed for pilots and aviation lovers, the Gravitymaster series includes:
✔️ Quad Sensor Technology – Includes a thermometer, altimeter, barometer, and compass
✔️ Flight Log Memory – Allows users to track location data
✔️ Carbon Fiber Case – Increases shock resistance without adding weight
✔️ Bluetooth Connectivity – Enables synchronization with smartphones

4. G-Shock Rangeman (GPR-B1000) – The Survivalist’s Dream Watch

The G-Shock Rangeman (GPR-B1000) is the ultimate survival watch, designed for extreme outdoor adventurers, military personnel, and survivalists who demand unmatched toughness and cutting-edge functionality. As the world’s first solar-assisted GPS navigation watch, the GPR-B1000 allows users to track their routes, set waypoints, and navigate through the harshest terrains with confidence. Built with Mud-Resist construction and Carbon Core Guard technology, it is engineered to endure shock, mud, dust, and extreme temperatures.

Equipped with Triple Sensor technology, it provides real-time data on altitude, barometric pressure, temperature, and direction, making it an essential tool for those venturing into the wild. With solar and wireless charging, 200-meter water resistance, and Bluetooth connectivity for data syncing, the Rangeman GPR-B1000 is the ultimate fusion of durability, technology, and adventure-ready functionality.

The Rangeman series is designed for survivalists, explorers, and extreme sports athletes. Key highlights:
✔️ GPS Navigation with Backtracking – Helps adventurers find their way back
✔️ Solar-Assisted GPS & Charging – Ensures extended usage without charging
✔️ Tough Mud-Resistant Build – Withstands extreme conditions

Pros of the Master of G Series:

✅ Unmatched durability – Shockproof, mud-resistant, and water-resistant
✅ Advanced features – Altimeter, barometer, compass, GPS, and tide tracking
✅ Solar-powered – Reduces reliance on frequent battery changes
✅ Designed for professionals – Trusted by military, pilots, divers, and explorers

Cons of the Master of G Series:

❌ Higher price – Premium materials and features make them expensive
❌ Bulky size – Some models are large and heavy for everyday wear

G-Shock 6900 Series – A Timeless Classic

The G-Shock 6900 series has been an icon since its launch in the 1990s. Recognized for its signature round design, triple digital display, and extreme toughness, this series is loved by athletes, musicians, and streetwear enthusiasts.

Key Features of the G-Shock 6900 Series

✔️ Shock & Water Resistance – Built to withstand drops and up to 200M water resistance
✔️ EL Backlight with Afterglow – Ensures easy readability in the dark
✔️ Multiple Alarms & Stopwatch – Perfect for daily time management
✔️ Tough Resin Build – Lightweight yet ultra-durable
✔️ Affordable Pricing – Offers legendary toughness without breaking the bank

Top Models in the G-Shock 6900 Series

G-Shock DW6900-1V – The Original Legend

The G-Shock DW6900-1V is one of the most recognizable and enduring models in Casio’s legendary G-Shock lineup. Known for its rugged design, unmatched durability, and functional simplicity, the DW6900-1V has been a favorite among military personnel, first responders, athletes, and casual wearers alike. Originally introduced in the mid-1990s, this watch has stood the test of time, offering a blend of classic styling and G-Shock’s signature toughness.

Design & Build Quality

The DW6900-1V features G-Shock’s iconic round case design, with a resin bezel and case that ensures extreme shock resistance. The 48.9mm case size provides a bold, rugged look without feeling excessively bulky on the wrist. The black resin band is lightweight yet highly durable, ensuring a comfortable fit for all-day wear. The electroluminescent (EL) backlight enhances visibility in low-light conditions, making it easy to read the digital display at any time.

The triple-graph display at the top of the watch face is a signature element of the DW6900 series, providing a distinctive aesthetic while serving functional purposes such as countdown timer progress and alarm indicators. The front G button at the bottom of the case allows for quick activation of the backlight, a feature appreciated by military and tactical users.

Durability & Performance

True to G-Shock’s “Absolute Toughness” philosophy, the DW6900-1V is shock-resistant, water-resistant up to 200 meters, and built to withstand harsh conditions. Whether you’re engaging in outdoor activities, sports, or high-intensity work environments, this watch is designed to handle extreme impact, vibration, and rough usage without compromise.

Its 200-meter water resistance makes it suitable for swimming, snorkeling, and even recreational diving, ensuring that it remains functional in wet conditions. The resin case and mineral glass crystal provide excellent protection against scratches, dirt, and wear over time.

Features & Functionality

Despite its simple digital interface, the G-Shock DW6900-1V packs essential features that make it a reliable companion for everyday use:

• Shock Resistance: Built to handle extreme physical impact and rough conditions.
• 200M Water Resistance: Perfect for water activities and outdoor adventures.
• Countdown Timer & Stopwatch: Measures elapsed time, split time, and final time with precision.
• Multi-Function Alarm: Offers up to three alarms to keep you on schedule.
• Hourly Time Signal: Can be set to beep every hour for time tracking.
• 12/24-Hour Time Formats: Suitable for both standard and military time reading.
• Electroluminescent Backlight: Provides easy visibility in the dark.

Battery Life

The DW6900-1V is powered by a CR2016 battery, delivering an impressive battery life of approximately two years. While it lacks the Tough Solar charging found in more advanced G-Shock models, its efficient power consumption ensures long-lasting performance without frequent battery changes.

Pros & Cons

Pros:

✔ Legendary durability – One of the toughest watches available.
✔ Classic, military-approved design – A favorite among professionals.
✔ Affordable price – Offers premium toughness at an entry-level cost.
✔ 200M water resistance – Suitable for aquatic activities.
✔ EL backlight for night visibility.

Cons:

✖ No solar charging – Requires a battery change every few years.
✖ Basic feature set – Lacks Bluetooth, GPS, or advanced sensors.
✖ Non-atomic timekeeping – Time must be adjusted manually.

G-Shock GM6900 – The Metal Upgrade

The G-Shock GM6900 is a refined take on the classic DW6900, one of Casio’s most iconic G-Shock models. This iteration brings a metal bezel into the mix, elevating its rugged durability with a sleek and premium aesthetic while maintaining the legendary toughness that G-Shock is known for. Released to celebrate the 25th anniversary of the DW6900, the GM6900 retains the signature triple-graph digital display and shock-resistant construction, making it a perfect choice for both G-Shock enthusiasts and newcomers looking for a stylish yet highly durable timepiece.

In this review, we’ll dive into the design, durability, features, and overall performance of the GM6900 to see how it stacks up against its predecessors and competitors.

Design & Build Quality

At first glance, the G-Shock GM6900 is immediately recognizable thanks to its classic round case and triple-graph display. However, the key difference between this and the original DW6900 is the stainless steel bezel, which gives it a refined, more premium look while maintaining G-Shock’s well-known shock resistance.

• Metallic Bezel: Unlike the full-resin DW6900, the GM6900 features a forged and polished stainless steel bezel, available in different finishes like silver, black, and gold-tone.
• Resin Case & Band: While the bezel is metal, the case and strap remain resin, ensuring lightweight comfort and flexibility for everyday wear.
• Size & Fit: The watch measures 49.7mm in diameter, making it slightly larger than the original DW6900 but still very wearable, even on smaller wrists.
• Electroluminescent (EL) Backlight: The classic G button at the front provides quick access to the backlight, allowing easy readability in low-light conditions.

The combination of metal and resin gives the GM6900 a modernized look without compromising on durability, making it a great option for those who want a rugged watch that can also double as a statement piece.

Durability & Performance

Staying true to G-Shock’s DNA, the GM6900 is built to withstand extreme conditions, making it ideal for outdoor adventures, sports, and everyday wear.

• Shock Resistance: The watch is designed to absorb heavy impacts, whether from accidental drops or rough handling.
• 200M Water Resistance: Perfect for swimming, snorkeling, and general water exposure—though it is not a dedicated dive watch.
• Mineral Glass Crystal: Protects against scratches and minor impacts, ensuring longevity.
• Tough Construction: While the metal bezel adds an extra layer of protection, the resin case keeps it lightweight and comfortable.

Overall, the GM6900 maintains the same level of toughness as other G-Shock models while adding an element of urban style and sophistication.

Features & Functionality

The GM6900 keeps things simple, retaining the core digital features that made the original DW6900 a fan favorite:

• Shock Resistance: Withstands drops, shocks, and rough handling.
• 200M Water Resistance: Suitable for various water activities.
• Countdown Timer: Essential for workouts, training, or time management.
• Stopwatch: Measures elapsed time, split time, and final time.
• Multi-Function Alarm: Up to three daily alarms for reminders.
• Hourly Time Signal: Option to beep every hour as a notification.
• 12/24-Hour Formats: Displays time in standard or military format.
• Electroluminescent (EL) Backlight: Easy visibility in the dark.

Unlike some of the more recent G-Shock models with Bluetooth and solar charging, the GM6900 is a straightforward digital timepiece that prioritizes durability and classic functionality over smart features.

Battery Life

The GM6900 runs on a CR2016 battery, offering approximately 2 years of battery life with regular use. While it lacks Tough Solar technology, the watch is energy-efficient, meaning you won’t need to worry about battery replacements for a long time.

Pros & Cons

Pros:

✔ Classic G-Shock durability with a modern metal bezel
✔ 200M water resistance for versatile wear
✔ Iconic triple-graph display & signature G-Shock design
✔ Sleek and stylish—great for casual, sporty, and streetwear looks
✔ Easy-to-use digital features with a bright EL backlight

Cons:

✖ No Bluetooth or solar charging
✖ Metal bezel adds slight weight compared to full-resin models
✖ No atomic timekeeping—time must be manually adjusted

G-Shock DW6900NB – The Streetwear Edition

The G-Shock DW6900NB is a bold and stylish take on one of Casio’s most iconic watch designs. Based on the legendary DW6900, this special edition stands out with its high-gloss finish, metallic dial, and urban-inspired aesthetic. Designed to cater to streetwear enthusiasts, fashion-forward individuals, and G-Shock collectors, the DW6900NB blends rugged durability with eye-catching style, making it a must-have for those who appreciate both function and flair.

In this review, we’ll explore the design, durability, features, and overall performance of the DW6900NB, and see why it continues to be a favorite among streetwear lovers.

Design & Build Quality

The DW6900NB maintains the classic G-Shock silhouette, but with added urban appeal thanks to its glossy finish and metallic details.

• High-Gloss Resin Case & Strap: Unlike the matte finish on standard DW6900 models, the NB edition features a sleek, polished resin case and band, giving it a stylish edge.
• Metallic Dial & LCD: The digital display is reverse LCD (black background with light digits), enhancing its futuristic and edgy look.
• Triple-Graph Display: Retains the iconic three-eye display, providing a nostalgic touch that G-Shock fans love.
• Available in Multiple Colors: The DW6900NB comes in various bold colorways, such as black and gold, silver and black, and all-black, making it a versatile choice for different fashion styles.

The DW6900NB is the perfect fusion of streetwear and G-Shock durability, making it a standout timepiece for sneakerheads, urban trendsetters, and casual wearers alike.

Durability & Performance

Despite its fashion-forward look, the DW6900NB remains a true G-Shock, offering the same legendary toughness that the brand is known for.

• Shock Resistance: The rugged resin construction and impact-resistant design ensure that this watch can handle daily wear and extreme conditions.
• 200M Water Resistance: Perfect for swimming, showering, and outdoor activities—though not a dedicated dive watch.
• Scratch-Resistant Mineral Glass: Protects against minor impacts and keeps the watch face looking fresh.

Even though the DW6900NB is marketed as a streetwear watch, it doesn’t compromise on G-Shock’s durability and resilience. Whether you’re hitting the streets or heading to an event, this watch is built to last.

Features & Functionality

The DW6900NB sticks to the core G-Shock features, ensuring reliability and ease of use.

• Shock Resistance: Built for rugged use, from city life to extreme sports.
• 200M Water Resistance: Safe for everyday water exposure.
• Stopwatch: Measures elapsed time, split time, and final time.
• Countdown Timer: Useful for workouts, cooking, and reminders.
• Multi-Function Alarm: Allows up to three alarms per day.
• Hourly Time Signal: Beeps every hour if activated.
• 12/24-Hour Formats: Choose between standard and military time display.
• EL Backlight: Ensures visibility in the dark, perfect for nighttime wear.

While it does not have Bluetooth, solar charging, or smart features, the DW6900NB stays true to its roots by delivering reliable digital functions in a stylish package.

Battery Life

Powered by a CR2016 battery, the DW6900NB offers around 2 years of battery life with regular use. While it doesn’t feature Casio’s Tough Solar technology, the battery life is still impressive, requiring minimal maintenance.

Pros & Cons

Pros:

✔ Sleek, high-gloss finish for a premium streetwear look
✔ Reverse LCD display for a modern and edgy aesthetic
✔ Shock-resistant and water-resistant up to 200M
✔ Classic G-Shock reliability with essential digital features
✔ Versatile colorways to match various fashion styles

Cons:

✖ No Bluetooth or smart features
✖ Glossy finish may attract fingerprints and scratches
✖ Reverse LCD display can be harder to read in low light

Final Verdict – Which One is Right for You?

Both the Master of G and 6900 Series embody the very essence of G-Shock’s legendary toughness, innovation, and durability. Whether you’re an outdoor adventurer, military professional, urban trendsetter, or a casual wearer, Casio offers a G-Shock tailored to your lifestyle.

The Master of G series is built for extreme conditions, featuring military-grade durability, advanced sensors, and cutting-edge technology designed to withstand the harshest environments. From mud-resistant structures to solar-powered functionality, these watches are the ultimate choice for those who demand reliability in the wildest terrains.

On the other hand, the 6900 Series is an iconic streetwear staple, combining classic G-Shock toughness with bold, fashion-forward designs. Known for its distinctive triple-graph display and timeless aesthetic, this series has been a favorite among sneakerheads, athletes, and watch enthusiasts for decades. Whether you opt for the high-gloss NB editions or the rugged GM6900 models, the 6900 Series brings style and resilience together.

No matter your lifestyle or adventure, Casio has a G-Shock that fits your needs. Are you drawn to the high-tech resilience of the Master of G, or do you prefer the street-ready versatility of the 6900 Series?

Drop your favorite G-Shock model in the comments! ⌚🔥 #GShock #MasterOfG #6900Series